WO2023029046A1

WO2023029046A1 - Photographic device and focusing method therefor, and photographic system and readable storage medium

Info

Publication number: WO2023029046A1
Application number: PCT/CN2021/116713
Authority: WO
Inventors: 洪少晖; 李雨恬; 卢青宇; 牛浩帆
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2023-03-09

Abstract

A focusing method (200) for a photographic device (130). The photographic device (130) comprises a lens (131), and an adjustment ring for adjusting the lens (131). The focusing method (200) comprises: during the focusing of a photographic device (130), acquiring the current lens position of the photographic device (130) and a target lens position of the photographic device (130) (S210), wherein when the photographic device (130) is at the target lens position, a photography subject is in an in-focus state in a photographic picture of the photographic device (130); determining a rotation parameter of an adjustment ring for moving a lens (131) from the current lens position to the target lens position, and generating focusing prompt information which comprises the rotation parameter of the adjustment ring (S220); and displaying the focusing prompt information by means of a display apparatus (150) (S230). Therefore, a user can learn more directly and quickly how to rotate an adjustment ring to realize the accurate focusing of a photography subject. In addition, further provided are a photographic device (130), a photographic system and a readable storage medium.

Description

Shooting equipment and its focusing method, shooting system, and readable storage medium

manual

technical field

The present application generally relates to the field of manual focusing, and more specifically relates to a photographing device, a focusing method thereof, a photographing system, and a readable storage medium.

Background technique

Cameras such as SLR cameras generally have an adjustment ring that can adjust the focus of the lens, for example, and the adjustment ring can be a focus ring or a focus ring. By turning the adjusting ring, the purpose of focusing or focusing can be achieved during image shooting. Users can hold this type of camera for video shooting. It can also be set on a device such as a cloud platform or a movable platform (such as a drone).

At present, in the process of using a camera with an adjustment ring in the lens, the user generally judges the focusing situation by observing the clarity of the viewfinder picture. Whether the focused object meets the requirements. For the focus ring, it is necessary to rely on memory and trial to confirm the adjustment effect corresponding to the rotation in different directions, which will affect the efficiency of shooting work and cause a certain psychological burden on the user.

In view of the above problems, the present application provides a photographing device, a focusing method thereof, a photographing system, and a readable storage medium.

Contents of the invention

A series of concepts in simplified form are introduced in the Summary of the Invention, which will be further detailed in the Detailed Description. The summary of the invention in the present invention does not mean to limit the key features and essential technical features of the claimed technical solution, nor does it mean to try to determine the protection scope of the claimed technical solution.

The first aspect of the embodiment of the present application provides a focusing method for a photographing device, the photographing device includes a lens and an adjustment ring for adjusting the lens, and the method includes: during the focusing process of the photographing device, acquiring the The current lens position of the shooting device and the target lens position of the shooting device, wherein, when the shooting device is at the target lens position, the shooting target is in a focus state in the shooting picture of the shooting device; determine that the lens Moving from the current lens position to the target lens position with the rotation parameters of the adjustment ring, and generating focus prompt information including the rotation parameters of the adjustment ring; displaying the focus prompt information through a display device.

The second aspect of the embodiment of the present application provides a shooting device, the shooting device includes: a lens; an adjustment ring, used to adjust the lens so that the shooting target is in a focus position; a memory, the memory stores computer-executable instructions at least one processor, executing the computer-executable instructions stored in the memory, so that the following steps are implemented when the computer-executable instructions are executed: during the focusing process of the photographing device, obtain the current lens position of the photographing device and the photographing device The target lens position, wherein, when the shooting device is at the target lens position, the shooting target is in a focus state in the shooting picture of the shooting device; determining to move the lens from the current lens position to the The rotation parameters of the adjustment ring at the target lens position, and generate focus prompt information including the rotation parameters of the adjustment ring; the display device is used to display the focus prompt information.

The third aspect of the embodiment of the present application provides a photographing system, including: a pan-tilt and the aforementioned photographing device; the pan-tilt is used to carry the photographing device.

The fourth aspect of the embodiment of the present application provides a readable storage medium, on which a computer program is stored; when the computer program is executed, the focusing method as described above is implemented.

The application provides a photographing device, a focusing method thereof, a photographing system, and a readable storage medium. In the solution of the present application, by intuitively displaying the focus prompt information including the rotation parameters of the adjustment ring on the display device, the user can know more directly and quickly how to rotate the adjustment ring to achieve accurate focus on the shooting target. Users can follow the interface prompts to operate and confirm, without relying on the output image of the image sensor to judge and focus on their own, which reduces the user's thinking and burden of operation, and can more effectively assist users in focusing, improving the user experience .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

In the attached picture:

FIG. 1 shows a schematic architecture diagram of a shooting system provided by an embodiment of the present application;

FIG. 2 shows a schematic flowchart of a focusing method provided by an embodiment of the present application;

FIG. 3 shows a schematic diagram of a focus assist graphic displayed on a display device provided by an embodiment of the present application;

FIG. 4 shows a schematic diagram of a focus assist graphic displayed on a display device when the adjustment ring cannot be adjusted according to an embodiment of the present application;

FIG. 5 shows a schematic diagram of a focus assist graphic displayed on a display device when the current lens position and the target lens position are far apart provided by an embodiment of the present application;

FIG. 6 shows a schematic diagram of focus assist graphics displayed on a display device when the current lens position and the target lens position are getting closer according to an embodiment of the present application;

Fig. 7 shows a schematic diagram of the focus assist graphics displayed in the display device when the current lens position and the target lens position are getting closer according to the embodiment of the present application;

FIG. 8 shows a schematic diagram of a focus assist graphic displayed on a display device in a focus state provided by an embodiment of the present application;

FIG. 9 shows a schematic structural diagram of a photographing device in another embodiment of the present application.

Detailed ways

In order to make the objects, technical solutions, and advantages of the present application more apparent, exemplary embodiments according to the present application will be described in detail below with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. It should be understood that the present application is not limited by the exemplary embodiments described here. Based on the embodiments of the present application described in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

In the following description, numerous specific details are given in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present application.

It should be understood that the present application can be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the/the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the terms "consists of" and/or "comprising", when used in this specification, identify the presence of stated features, integers, steps, operations, elements and/or parts, but do not exclude one or more other Presence or addition of features, integers, steps, operations, elements, parts and/or groups. As used herein, the term "and/or" includes any and all combinations of the associated listed items.

In order to thoroughly understand the application, a detailed structure will be provided in the following description to explain the technical solution proposed by the application. Alternative embodiments of the present application are described in detail as follows, however, the present application may have other implementations besides these detailed descriptions.

During the use of a camera with an adjustment ring, the user generally judges the focus by observing the clarity of the framing screen. When focusing manually, it is necessary to check the expected focus by observing the framing screen and turning the lens adjustment ring, such as the focus ring. Whether the object meets the requirements. For the focus ring, it is necessary to rely on memory and trial to confirm the adjustment effect corresponding to the rotation in different directions, which will affect the efficiency of shooting work and cause a certain psychological burden on the user.

In view of the existence of the above problems, the present application provides a focusing method for a photographing device, the photographing device includes a lens and an adjustment ring for adjusting the lens, as shown in FIG. 2 , the method 200 includes:

In step S210, during the focusing process of the photographing device, the current lens position of the photographing device and the target lens position of the photographing device are acquired, wherein, when the photographing device is at the target lens position, the photographing target is in a suitable position in the shooting picture of the photographing device focus state;

In step S220, based on the current lens position and the target lens position, determine the rotation parameters of the adjustment ring for moving the lens from the current lens position to the target lens position, and generate focus prompt information including the rotation parameters of the adjustment ring;

In step S230, focus prompt information is displayed through a display device.

By visually displaying the focus prompt information including the rotation parameters of the adjustment ring on the display device, the user can know more directly and quickly how to rotate the adjustment ring to achieve accurate focus on the shooting target. Users can follow the interface prompts to operate and confirm, without relying on the output image of the image sensor to judge and focus on their own, which reduces the user's thinking and burden of operation, and can more effectively assist users in focusing, improving the user experience .

In order to better illustrate the above-mentioned focusing method, a brief description of the photographing device will be given below in conjunction with the accompanying drawings. Among them, the shooting device can operate independently as the execution subject, and can also be set on the gimbal, and the gimbal is used as the main body for shooting. The following takes the shooting device carried on the gimbal as an example to describe the overall shooting system in detail.

Fig. 1 is a schematic structural diagram of a shooting system provided according to an embodiment of the present application. As shown in FIG. 1 , the photographing system may include a distance sensor 110 and a photographing device 130 .

Wherein, the distance sensor 110 includes a transmitting device 111, a receiving device 112 and a control device 113, which are used to control the transmitting device 111 to emit light signals through the control device 113, and receive reflected light signals through the receiving device 112, thereby collecting distance sensing data, The real-time distance between the shooting target and the shooting device 130 can be obtained according to the distance sensing data. Optionally, the receiving device 112 may be a receiving array. The sensing data collected by the distance sensor 110 may include the measured distance M between the distance sensor 110 and the shooting target corresponding to different sampling moments. If the distance difference between the distance sensor 110 and the shooting device 130 is a fixed value L, then the real-time distance between the shooting target and the shooting device 130 can be determined according to M and L. For example, the reference plane of the distance sensor is located behind the focal plane of the lens, that is, on the side of the lens facing away from the shooting target, then the real-time distance between the shooting device 130 and the shooting target is the value M-L obtained by subtracting the distance difference L from the measured distance M . The calculation processing of the real-time distance may be processed by the distance sensor 110, the photographing device 130 or the pan/tilt, which is not limited in this embodiment.

The shooting system may also include a follow focus motor 120, the follow focus motor 120 is an actuator that drives the lens 131 of the shooting device 130 to rotate, including a position controller 121 and gears, the position controller 121 is used for The control command given by the follow focus wheel 140 connected to 120 or the control command given by the controller connected to the distance sensor 110, output torque, drives the lens 131 meshed with the follow focus motor 120 through gear transmission to focus, so that the shooting target It is in the in-focus state in the shooting screen of the shooting device 130 . Optionally, the follow focus motor 120 is engaged with an adjustment ring of the lens 131 in the photographing device 130 , such as a follow focus ring or a focus ring. Wherein, the focus wheel 140 can be an independent control device, or integrated on the pan/tilt.

In an embodiment, the follow focus motor 120 is connected to the gimbal in communication, and is used to receive a user's control command for the follow focus motor 120 . Specifically, the operating part of the follow focus motor 120 can be set on the hand-held part of the gimbal, and the operating part is used to receive the user's control command for the follow focus motor and further drive the follow focus motor according to the control command to control the shooting device 130. to focus. Wherein, the operating member may include but not limited to the focus wheel 140 .

The photographing device 130 includes a lens 131 and a camera body 132 , and the lens 131 is disposed on the camera body 132 . After the focus motor 120 drives the lens 131 to focus, that is, when the shooting target is in focus in the shooting screen of the shooting device 130 , the shooting device 130 can shoot the shooting target to obtain an image. The camera body 132 may be a camera body of a handheld SLR or mirrorless camera. The lens 131 in this embodiment can support manual focus.

Optionally, the shooting system may also include a pan/tilt. The camera device 130 and the follow focus motor 120 are carried on the gimbal. The accessories of the gimbal can be used to connect the follow focus motor 120 to the bottom of the camera body 132. After the lens 131 is installed on the camera body 132 through the bayonet, the follow focus motor 120 can be adjusted through the adjustment ring such as the focus ring or the focus ring. The ring drives the lens 131 to rotate.

The shooting system can also include a follow focus wheel 140, which can push the current rotational position and rotational speed data of the follow focus wheel 140 to the follow focus motor 120, so that the follow focus motor 120 rotates to match the focus wheel 140 corresponding to the specified location. Wherein, parameters can be calibrated, such as using the focus wheel 140 to drive the follow focus motor 120 to reach at least two focus calibration points, so as to complete the mapping of the real-time distance between the shooting device 130 and the shooting target and the rotational position of the follow focus motor 120 Calibration of the relationship.

In addition, the display device 150 is used for displaying the current lens position and focus prompt information, so as to prompt the user how to focus.

In an example, the display device 150 may be arranged in the shooting device 130, for example, an interactive interface inherent in the shooting device 130 for displaying various information, and the focusing prompt information is directly displayed to the user through the interactive interface during the shooting process.

In another example, the display device may be set outside the photographing device 130, independent of the photographing device 130, but communicated with the photographing device 130, and transmit the focus prompt information determined by the photographing device 130 to the display device through a communication connection. Display focus prompts to the user.

For example, the display device 150 may also be set on the pan/tilt, such as a handheld part integrated into the pan/tilt. Or the display device 150 is detachably arranged on the mounting base of the pan/tilt (such as being connected to the handle), and the display device 150 is connected to the pan/tilt in communication, and the photographing device 130 is connected to the pan/tilt in communication, and the photographing device 130 obtains the focusing prompt information and then transmits the To the pan/tilt, the pan/tilt transmits the focus prompt information to the display device 150, and displays it to the user through the display device 150 for focusing. It should be noted that the display device 150 is not limited to the listed installation locations, and the display device 150 can also be installed at other locations of the pan/tilt.

In the embodiment of the present application, the photographing device 130 can also focus automatically in addition to manual focusing. Based on this, the user can also switch the automatic focus mode to the manual focus mode by inputting a selection instruction on the display device 150 to select a mode, thereby realizing flexible switching between the manual focus mode and the automatic focus mode.

Wherein, in the manual focus mode, focus can be achieved by using the focus wheel 140 to control the position of the focus motor 120, or directly manually turning an adjustment ring such as a focus ring or focus ring to change the position of the lens to focus. For example, in an embodiment of the present application, the follow focus motor 120 can obtain the user's control instructions for the follow focus motor 120; and drive the follow focus motor 120 according to the control instructions, output torque, and drive the follow focus motor 120 through gear transmission. The lens that is engaged by the sensor motor is focused, so that the shooting target is in a focused state in the shooting screen of the shooting device. In another embodiment of the present application, the shooting system may not include the follow focus motor 120, but the lens position may be changed by manually turning the adjusting ring such as the focus ring or the follow focus ring, so that the current lens position passes through The user manually rotates and adjusts to the target lens position to achieve focus.

It should be understood that the foregoing naming of components of the camera system is only for identification purposes, and should not be construed as limiting the embodiments of the present application.

It should be noted that the photographing device 130 may not be installed on the pan/tilt, and the focusing method of the present application may be realized through the photographing device 130 alone, wherein the above composition and operation method of the photographing device 130 are not carried on the pan/tilt and are not connected with each other. On the premise of contradiction, relevant explanations and illustrations can be all introduced into the photographing device 130 , which will not be repeated here.

In this application, the execution subject of the focusing method may be a processing device with independent computing capability, such as the follow focus motor 120, the distance sensor 110, the shooting device 130 or the pan/tilt in the embodiment shown in FIG. 1 , of course, this embodiment Some steps of the method can also be performed by one device, and other steps can be performed by another device, that is, it can be performed jointly by any combination of the focus motor 120, the distance sensor 110, the shooting device 130, and the pan/tilt, for example, to follow the focus Taking the combination of the focus motor 120 and the gimbal as an example, the follow focus motor 120 may perform some steps, and the gimbal may perform the remaining steps, so that the follow focus motor 120 and the gimbal jointly execute the focusing method provided in this embodiment.

In step S210, in an embodiment of the present application, as mentioned above, the follow focus motor 120 can be engaged with the adjustment ring of the lens 131 in the shooting device 130, such as the follow focus ring or the focus ring, then the follow focus motor 120 can to determine the current location of the lens of the shooting device 130. Wherein, the current position of the follow focus motor 120 can be detected by an angle sensor. Certainly, the current lens position of the shooting device may also be determined by other means, for example, it may be calculated according to the current focus degree, and the focus degree may be determined according to a specific focus method.

Wherein, the target lens position of the shooting device 130 refers to the in-focus position of the lens of the shooting device 130, that is, when the shooting device 130 is at the target lens position, the shooting target is in a focus state in the shooting picture of the shooting device 130, for example, the shooting target is in the The imaging in the camera device 130 is located at the focal plane.

In this embodiment, the installation position of the distance sensor 110 can be various, as long as the sensing data collected by the distance sensor 110 can determine the real-time distance between the shooting device 130 and the shooting target:

In one implementable manner, the distance sensor 110 is detachably arranged on the photographing device 130 . For example, the distance sensor 110 may be disposed on the hot shoe of the photographing device 130 . In this case, the ranging reference plane of the distance sensor 110 and the focal plane of the lens of the photographing device 130 may be substantially coincident within a certain error range. Of course, the range sensor 110 can also be installed at a fixed distance from the distance measuring reference plane from the focal plane of the lens of the photographing device 130 , as long as the fixed distance is taken into account in subsequent calculations. For example, the reference plane of the distance sensor 110 is located behind the focal plane of the lens, that is, the side away from the shooting target, and the distance difference between the reference plane of the distance sensor 110 and the focal plane of the lens is a fixed value L, then the photographing device The real-time distance between 130 and the shooting target is a value M−L obtained by subtracting L from the measured distance M of the distance sensor 110 . This embodiment does not limit it.

In another implementation manner, the photographing device 130 is detachably carried on the bearing seat of the pan-tilt, and the distance sensor 110 is detachably carried on the bearing seat of the pan-tilt. In this way, by setting the pan/tilt, the camera equipment 130 and the distance sensor 110 are both carried by the pan/tilt. On the one hand, the balance adjustment function of the pan/tilt can be used to ensure the balance of the camera equipment 130; The distance sensor 110 can be set relatively fixed to realize accurate calculation of the real-time distance between the shooting device 130 and the shooting target.

Optionally, the shooting target in this embodiment may be selected by the user. In some embodiments, the specific selection method is that the photographing device 130 is detachably carried on the bearing seat of the pan-tilt, the pan-tilt is connected to the photographing device 130 in communication, and a display device 150 is set on the hand-held part of the pan-tilt, and the photographing target is It is determined by detecting the user's selection operation on the display device 150 that displays the captured image of the photographing device 130 . Alternatively, the shooting target may be automatically determined by the shooting system, for example, automatically identified and determined by detecting the target in the real-time view image.

In some embodiments, the distance sensor 110 includes a transmitting device for emitting light signals and a receiving device for receiving light signals reflected by the shooting target. The real-time distance includes: determining the distance between the shooting target and the shooting device 130 according to the light signal received by the receiving device.

In some embodiments, the distance sensor 110 may also include a transmitting device for emitting light signals and a receiving device for receiving light signals emitted by the shooting target. The real-time distance between the shooting target and the shooting device 130 includes: determining the distance between the shooting target and the shooting device 130 according to the acoustic signal received by the receiving device.

In this embodiment, the distance sensor 110 may be a single-point ranging sensor or a 3D ranging sensor, and the distance sensor 110 may be a TOF (Time Of Flight, Time of Flight) ranging sensor. This embodiment does not limit it.

The focus or focus of the lens generally keeps the position of the shooting target and the position of the focal plane of the camera body of the shooting device 130 unchanged. Converting the rotation angle into the forward and backward translation distance of the lens group of the lens is equivalent to driving the lens to rotate manually or with the follow focus motor 120 under the condition that the real-time distance between the shooting device 130 and the shooting target remains unchanged. , adjust the object distance u and image distance v to make the shooting picture focus.

In step S220, based on the current lens position and the target lens position, determine the rotation parameters of the adjustment ring for moving the lens from the current lens position to the target lens position, and generate focus prompt information including the rotation parameters of the adjustment ring, so that through the focus prompt Information, prompting the user how to achieve focus.

Optionally, based on the distance between the current lens position and the target lens position, determine the rotation parameters for moving the lens from the current lens position to the target lens position adjustment ring. Optionally, the rotation parameters include but are not limited to rotation direction, rotation stroke One or more of the other parameters. The rotation stroke may refer to the stroke that the adjustment ring needs to rotate along the indicated rotation direction to move the current lens position to the target lens position, so that the user can drive the adjustment ring more precisely to adjust the focus.

Optionally, based on the distance between the lens and the shooting target measured by the shooting device, the distance between the current focus area and the focal plane where the optical path is located, and the front and rear depth of field can be calculated, so as to determine how to turn the adjustment ring to achieve focus on the current focus area, That is to say, the rotation parameters of the adjustment ring, such as the direction of rotation, etc., are determined.

In an example, it may be determined according to the user's selection and settings whether to enable the relevant functions of the focus prompt information. For example, the display device of the shooting device may display a setting interface, and select the option for enabling the focus prompt information in the setting options based on the user instruction. , so that when the shooting device is in the manual shooting mode, the display interface of the display device will display focusing prompt information during the focusing process to remind the user of the focusing process, so that the user can more directly and quickly know how to turn the adjustment ring. Achieve accurate focus on the shooting target. Users can follow the interface prompts to operate and confirm, without relying on the output image of the image sensor to judge and focus on their own, which reduces the user's thinking and burden of operation, and can more effectively assist users in focusing, improving the user experience .

In an example, the focus prompt information includes a focus assist graphic. The focus prompt information in this application may be represented by a focus assist graphic, and different focus prompt information may be represented based on different display modes of the focus assist graphic. Or, the focus prompt information can also be displayed in other suitable ways, such as displaying the focus prompt information in the form of text description, or, for example, part of the focus prompt information can be displayed in the form of text description, and part of the focus prompt information is represented by the focus assisting graphic to characterize.

In one example, as shown in FIG. 3 , the focus aid image may include a first prompt graphic 311, the first prompt graphic 311 is used to represent the rotation direction of the adjustment ring, and the first prompt graphic 311 may prompt the user to To realize the rotation direction of the focus adjustment ring, for example, the rotation direction of the adjustment ring can be characterized based on one or more ways such as a preset graphic shape, a graphic indication direction, and the like. The rotation direction of the adjustment ring can be counterclockwise or clockwise, and the specific rotation direction is determined according to the actual situation of the shooting device, and is not specifically limited here. In a specific example, the first prompt graphic 311 may be an arrow graphic, and the arrow pointing of the arrow graphic may indicate the rotation direction of the adjustment ring.

For example, as shown in FIG. 3 , the focus aid graphics further include a focus frame 313, the position of the focus frame 313 corresponds to the shooting target in the shooting picture of the shooting device, and the first prompt graphic 311 is located outside the focus frame 313, for example, at the center of the focus frame 313. Left or right, etc., in this way, the user is prompted to realize the rotation direction of the focus adjustment ring. For example, the first prompt image is located on the left side of the focus frame 313, and the user is prompted that the rotation direction of the adjustment ring is counterclockwise. Rotate the adjustment ring clockwise to focus.

Optionally, the focus frame 313 can be a frame-shaped figure of any shape, such as a square, a circle, an ellipse or a polygon or other suitable shapes, and the focus frame 313 when the focus has not been achieved can also be distinguished from the focus when the focus is completed Frame 313, to prompt the user whether the focus is in progress or focus is complete, for example, as shown in Figures 3 to 7, the focus frame 313 includes at least two parts separated from each other during the focus process, for example two semicircles separated from each other When the focus is completed, as shown in FIG. 8 , the focus frame 313 changes into a figure composed of at least two parts connected to each other.

In one example, as shown in FIG. 3 , the focus assist graphic further includes a second prompt graphic 312. Optionally, the second prompt graphic 312 is used to represent the position of the focal plane of the lens. When the user adjusts the adjustment ring, The distance between the current lens position and the target lens position can also be represented based on the distance between the first hint graphic 311 and the second hint graphic 312, for example, as the distance between the current lens position and the target lens position gets closer , the distance between the first prompt graphic 311 and the second prompt graphic 312 is also getting closer.

Optionally, the second prompt graphic 312 is located on the border of the focus frame 313, for example, the second prompt graphic 312 is located in the middle of the lower side of the border of the focus frame 313, or in the middle of the upper side, or in the middle of the left side, Or it is located in the middle of the right side, and when the first prompt graphic 311 is displayed at the same time, the first prompt graphic 311 is located on the first side of the focus frame 313, or it can be located on the first side of the second prompt graphic 312 on the focus frame 313 , the first side may be the left side, the right side, the upper side, the lower side, etc. In a specific example, as shown in FIG. 3 , the second prompt graphic 312 is located in the middle of the lower side of the border of the focusing frame 313 , and the first prompt graphic 311 is located on the left side of the second prompt graphic 312 .

The second prompt graphic 312 can be any suitable graphic shape, such as an arrow graphic, semicircle, semi-ellipse, etc. In a specific example, the second prompt graphic 312 can be an arrow graphic, and the arrow of the arrow graphic can point to the focus outside of frame 313 .

In an example, the method of the present application further includes: when it is determined that the focus cannot be achieved by adjusting the adjusting ring, outputting a prompt message indicating that the focusing operation cannot be performed; and displaying the prompt information indicating that the focusing operation cannot be performed through a display device. Optionally, the prompt information that cannot prompt the focus operation may be any suitable information, such as text description information, or may also be prompt information represented by a focus assist graphic. For example, as shown in FIG. 4, when it is determined that the focus cannot be achieved by adjusting the adjustment ring, the control display device displays the focus frame 313 and/or the second prompt graphic 312 in a third color, and the third color can be any suitable color, For example, gray or red, etc., since the focus cannot be achieved by adjusting the adjustment ring, the display device can be controlled not to display the first prompt graphic 311 .

In one example, the focusing method of the present application further includes: based on the distance between the current lens position and the target lens position, determining the display mode of the first prompt graphic 311, for example including: as shown in FIG. 5 , when the current lens position and the target lens position When the distance between the target lens positions is greater than the preset distance, the first prompt graphic 311 is displayed in the first color, so that the color is used to indicate that the current lens position is still far away from the target lens positions, and it is necessary to follow the first prompt graphic The direction of rotation indicated by 311, for example, the stroke of turning the adjustment ring counterclockwise is large; as shown in Figure 6, when the distance between the current lens position and the target lens position is less than or equal to the preset distance, the second color is displayed A prompting figure 311 , so as to prompt the user to rotate the adjustment ring in the direction indicated by the first prompting figure 311 , such as counterclockwise, to gradually approach the focal plane. Optionally, the first color and the second color are different colors, for example, the first color is gray, the second color is white, or any other suitable color.

For another example, the focus aid graphic further includes a focus frame 313, the position of the focus frame 313 corresponds to the shooting target in the shooting screen of the shooting device, and the first prompt graphic 311 is located outside the focus frame 313, based on the distance between the current lens position and the target lens position. Distance, to determine the display mode of the first prompt graphic 311, including: as shown in Figure 3, when the distance between the current lens position and the target lens position is greater than the preset distance, displaying the first prompt on the first side of the focus frame 313 Graphic 311; when the distance between the current lens position and the target lens position is less than or equal to the preset distance, a first prompt graphic 311 is displayed on the second side of the focus frame 313, as shown in FIG. 7 , for example, the first side is Left side, second side is right side, or first side is right side, second side is left side.

For another example, based on the distance between the current lens position and the target lens position, determining the display mode of the first prompt graphic 311 may also include: when the distance between the current lens position and the target lens position is greater than the preset distance, the A graphic presents a first prompt graphic 311; when the distance between the current lens position and the target lens position is less than or equal to the preset distance, a second graphic presents the first prompt graphic 311, wherein the first graphic and the second graphic are different graphics.

In one example, the method of the present application includes: in response to the lens moving from the current lens position to the target lens position, controlling the display device to display focus prompt information for indicating that the focus is completed, thereby prompting the user that the focus is completed, and there is no need to continue to adjust the adjustment ring.

When the current lens position coincides with the target lens position, it may be based on the change of the focus assist graphic to indicate that the focus is completed, for example, the change includes at least one of color change, shape change, size change, and position change. Wherein, the color change may further include a color change or a display mark dynamically flickering, etc., and is not limited to a certain one.

Specifically, for example, in response to the lens moving from the current lens position to the target lens position, the display device is controlled to display the aligned first prompt graphic 311 and the second prompt graphic 312, for example, as shown in FIG. 8, the first prompt graphic 311 and the second prompt graphic 312 The second prompt graphics 312 are aligned, thereby prompting the user that the focus is completed. For another example, continuing as shown in FIG. 8, in response to the lens moving from the current lens position to the target lens position, the display device is controlled to display at least one of the first prompt graphic 311, the second prompt graphic 312 and the focus frame 313 in a preset color. One, the preset color may be any suitable color, such as green. For another example, as shown in FIG. 8 , during the focusing process, the focus frame 313 includes at least two parts that are separated from each other. In response to the lens moving from the current lens position to the target lens position, the control display device displays that the at least two parts are connected to each other. The combined focus frame 313 is used to indicate that the focus is completed. In other examples, as shown in FIG. 8, the display device may also be controlled to display a third prompt graphic 314 in response to the lens moving from the current lens position to the target lens position. The third prompt graphic 314 is used to indicate that the focus is completed. The position and/or shape of the third prompt graphic 314 can be distinguished from the first prompt graphic 311 and the second prompt graphic 312, for example, the third prompt graphic 314 can be located inside the focus frame 313, and the shape of the third prompt graphic 314 can be cross, or any other suitable shape.

In one example, the focusing method of the present application further includes: adjusting the distance between the first prompt graphic 311 and the second prompt graphic 312 according to the distance between the current lens position and the target lens position, for example, with the adjustment of the adjustment ring , the smaller the distance between the current lens position and the target lens position is, the smaller the distance between the first prompt graphic 311 and the second prompt graphic 312 is, thus prompting the user to install the rotating direction of the adjustment ring for prompting the current lens position and The distance between the target lens positions is getting closer and closer, so that focus can be achieved.

To sum up, by visually displaying the focus prompt information including the rotation parameters of the adjustment ring on the display device, the user can know more directly and quickly how to rotate the adjustment ring to achieve accurate focus on the shooting target. Users can follow the interface prompts to operate and confirm, without relying on the output image of the image sensor to judge and focus on their own, which reduces the user's thinking and burden of operation, and can more effectively assist users in focusing, improving the user experience .

The embodiment of the present application also provides a photographing device for performing the foregoing focusing method.

In an embodiment, as shown in FIG. 9 , the photographing device 500 of this embodiment may include: at least one processor 501 , a memory 502 , and a display device 502 . Wherein, the processor 501 and the memory 502 are connected through a bus.

The shooting device 500 of the present application also includes a lens 531 and an adjustment ring. The adjustment ring is used to adjust the lens so that the shooting target is in a focus position. The adjustment ring can be a focus ring or a focus ring. Specifically, the detailed description of the lens 531 can be See lens 131 above.

In a specific implementation process, the memory 502 stores computer-executable instructions, and at least one processor 501 executes the computer-executable instructions stored in the memory 502, so that the following steps are implemented when the computer-executable instructions are executed: during the focusing process of the photographing device, obtain the current position of the photographing device The lens position and the target lens position of the shooting device, wherein, when the shooting device is at the target lens position, the shooting target is in a focus state in the shooting picture of the shooting device; determine the position of the adjustment ring for moving the lens from the current lens position to the target lens position Rotate the parameters, and generate focus prompt information including the rotation parameters of the adjustment ring; the display device is used to display the focus prompt information.

In an example, the rotation parameter includes a rotation direction, the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a first prompt graphic, and the first prompt graphic is used to represent the rotation direction of the adjustment ring.

In an example, the focus aid graphic further includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting screen of the shooting device, and the first prompt graphic is located outside the focus frame.

In an example, the processor 501 is further configured to: determine a display manner of the first prompt graphic based on the distance between the current camera position and the target camera position.

In an example, the processor 501 determines the display manner of the first prompt graphic based on the distance between the current camera position and the target lens position, including: when the distance between the current camera position and the target lens position is greater than a preset distance, The control display device displays the first prompt graphic with the first color; when the distance between the current lens position and the target lens position is less than or equal to the preset distance, the control display device displays the first prompt graphic with the second color, the first color and The second color is a different color.

In one example, the focus aid graphics further include a focus frame, the position of the focus frame corresponds to the shooting target in the shooting screen of the shooting device, the first prompt graphic is located outside the focus frame, and the processor The distance determines the display mode of the first prompt graphic, including: when the distance between the current lens position and the target lens position is greater than the preset distance, controlling the display device to display the first prompt graphic on the first side of the focus frame; when the current lens position When the distance between the position and the target lens position is less than or equal to the preset distance, the display device is controlled to display the first prompt graphic on the second side of the focusing frame.

In an example, the processor 501 determines the display manner of the first prompt graphic based on the distance between the current camera position and the target lens position, including: when the distance between the current camera position and the target lens position is greater than a preset distance, controlling the display device to present a first prompt graphic with a first graphic; when the distance between the current lens position and the target lens position is less than or equal to a preset distance, controlling the display device to present a first prompt graphic with a second graphic, wherein the first The graph and the second graph are different graphs.

In an example, the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a second prompt graphic, and the second prompt graphic is used to represent the position of the focal plane of the lens.

In one example, the focus prompt information includes a focus assist graphic, the focus assist graphic includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting screen of the shooting device, and the second prompt graphic is located on the border of the focus frame.

In an example, the processor 501 is further configured to: when it is determined that the focus cannot be achieved by adjusting the adjustment ring, output prompt information that cannot prompt the focus operation; and the display device is configured to display the prompt information that cannot prompt the focus operation.

In an example, the focus prompt information includes a focus assist graphic, and the focus assist graphic also includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting screen of the shooting device, the second prompt graphic is located on the border of the focus frame, and the processor further Used for: when it is determined that the focus cannot be achieved by adjusting the adjustment ring, the control display device displays the focus frame and/or the second prompt graphic in a third color.

In an example, the processor 501 is further configured to: adjust the distance between the first prompt graphic and the second prompt graphic according to the distance between the current camera position and the target camera position.

In an example, the smaller the distance between the current camera position and the target camera position is, the smaller the distance between the first prompt graphic and the second prompt graphic is.

In an example, the processor 501 is further configured to: in response to the lens moving from the current lens position to the target lens position, control the display device to display focus prompt information for indicating that focus is completed.

In one example, the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a first prompt graphic, a second prompt graphic, and a focus frame, and the processor 501 controls the display device when the lens moves from the current lens position to the target lens position Displaying focus prompt information for representing the completion of focus, including: in response to the lens moving from the current lens position to the target lens position, controlling the display device to display the aligned first prompt graphic and the second prompt graphic; and/or, in response to the lens When moving from the current lens position to the target lens position, the control display device displays at least one of the first prompting figure, the second prompting figure and the focus frame in a preset color; and/or, during the focusing process, the focus frame includes mutually separated At least two parts, in response to the lens moving from the current lens position to the target lens position, the control display device displays the focus frame formed after the at least two parts are connected to each other, to prompt that the focus is completed; and/or, in response to the lens automatically When the front lens position moves to the target lens position, the control display device displays a third prompt graphic to prompt that the focus is completed.

In one example, the focus prompt information includes a focus assist image, and the focus assist graphics include a first prompt graphic and a second prompt graphic, the first prompt graphic is used to represent the rotation direction of the adjustment ring, and the second prompt graphic is used to represent the focus of the lens. Where the plane is located, the first prompting graphic includes an arrow graphic, and the second prompting graphic includes an arrow graphic.

Specifically, for a detailed description of the functions performed by each component of the photographing device 500 , reference may be made to the aforementioned focusing method and related descriptions of the photographing device in the photographing system above, which will not be repeated here.

The embodiment of the present application also provides a photographing system, which includes: a pan-tilt and the aforementioned photographing device 500; the pan-tilt is used to carry the photographing device. The details of the shooting system can be described with reference to the shooting system shown in Figure 1 and the focusing method in the full text, and will not be repeated here.

Wherein, the pan/tilt of this embodiment can be used to implement the technical solutions of the above-mentioned method embodiments of the present application, and its implementation principles and technical effects are similar, and will not be repeated here.

It should be noted that the technical solutions of the above-mentioned method embodiments of the present application can also be executed and completed by combining devices. For example, some steps of the focusing method provided in the method embodiments may be performed by a pan/tilt, and another part of steps may be performed by a follow focus motor or manually by a user. This embodiment of the present application does not limit it.

The present application also provides a computer storage medium on which a computer program is stored. One or more computer program instructions can be stored on the computer-readable storage medium, the computer program includes at least one piece of code, at least one piece of code can be executed by the computer, so as to control the computer to execute the aforementioned focusing method.

The embodiment of the present application also provides a computer storage medium, the computer storage medium stores program instructions, and when the program is executed, some or all steps of the focusing method of the first aspect or the second aspect may be included. The above-mentioned readable storage medium can be realized by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk. Readable storage media can be any available media that can be accessed by a general purpose or special purpose computer.

An exemplary readable storage medium is coupled to the processor such the processor can read information from, and write information to, the readable storage medium. Of course, the readable storage medium can also be a component of the processor. The processor and the readable storage medium may be located in Application Specific Integrated Circuits (ASIC for short). Of course, the processor and the readable storage medium can also exist in the device as discrete components.

When the computer program is running, it can implement the functions in the embodiments of the present application (implemented by the processor) and/or other desired functions, for example, to execute the corresponding steps of the focusing method according to the embodiments of the present application, and store them in the computer-readable storage. Various application programs and various data, such as various data used and/or generated by the application programs, may also be stored in the medium.

Although example embodiments have been described herein with reference to the accompanying drawings, it should be understood that the above-described example embodiments are exemplary only, and are not intended to limit the scope of the application thereto. Various changes and modifications can be made therein by those of ordinary skill in the art without departing from the scope and spirit of the application. All such changes and modifications are intended to be included within the scope of this application as claimed in the appended claims.

Those skilled in the art can appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.

In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another device, or some features may be omitted, or not implemented.

In the description provided herein, numerous specific details are set forth. However, it is understood that the embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

Similarly, it should be understood that in the description of the exemplary embodiments of the application, in order to streamline the application and to facilitate understanding of one or more of the various inventive aspects, various features of the application are sometimes grouped together into a single embodiment, figure , or in its description. This method of application, however, is not to be interpreted as reflecting an intention that the claimed application requires more features than are expressly recited in each claim. Rather, as the corresponding claims reflect, the inventive point lies in that the corresponding technical problem may be solved by using less than all features of a single disclosed embodiment. Thus, the claims following this Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this application.

It will be appreciated by those skilled in the art that all features disclosed in this specification (including accompanying claims, abstract and drawings) and all features of any method or apparatus so disclosed may be used in any combination, except where the features are mutually exclusive. process or unit. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

In addition, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the present application. and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

The various component embodiments of the present application may be realized in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art should understand that a microprocessor or a digital signal processor (DSP) may be used in practice to implement some or all functions of some modules according to the embodiments of the present application. The present application can also be implemented as an apparatus program (for example, a computer program and a computer program product) for performing a part or all of the methods described herein. Such a program implementing the present application may be stored on a computer-readable medium, or may be in the form of one or more signals. Such a signal may be downloaded from an Internet site, or provided on a carrier signal, or provided in any other form.

It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

The above is only the specific implementation of the application or the description of the specific implementation. The scope of protection of the application is not limited thereto. Any person familiar with the technical field can easily Any changes or substitutions that come to mind should be covered within the protection scope of the present application. The protection scope of the present application should be based on the protection scope of the claims.

Claims

A focusing method for a shooting device, characterized in that the shooting device includes a lens and an adjustment ring for adjusting the lens, and the method includes:

During the focusing process of the photographing device, the current lens position of the photographing device and the target lens position of the photographing device are obtained, wherein, when the photographing device is at the target lens position, the photographing target is at the target lens position of the photographing device In-focus state in the shooting screen;

determining a rotation parameter of the adjustment ring for moving the lens from the current lens position to the target lens position, and generating focus prompt information including the rotation parameter of the adjustment ring;

The focus prompt information is displayed by a display device.
The method according to claim 1, wherein the rotation parameter includes a rotation direction, the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a first prompt graphic, and the first prompt graphic is used for Characterize the direction of rotation of the adjustment ring.
The method according to claim 2, wherein the focus assist graphic further includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting picture of the shooting device, and the first prompt graphic is located at the outside of the focusing frame described above.
The method according to any one of claims 1 to 3, further comprising: determining a display mode of the first prompt graphic based on the distance between the current lens position and the target lens position.
The method according to claim 4, wherein the determining the display mode of the first prompt graphic based on the distance between the current lens position and the target lens position comprises:

When the distance between the current lens position and the target lens position is greater than a preset distance, displaying the first prompt graphic in a first color;

When the distance between the current lens position and the target lens position is less than or equal to the preset distance, display the first prompt graphic in a second color, the first color and the second color are different color.
The method according to claim 4, wherein the focus assist graphic further includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting picture of the shooting device, and the first prompt graphic is located at the Outside the focus frame, the determination of the display mode of the first prompt graphic based on the distance between the current lens position and the target lens position includes:

When the distance between the current lens position and the target lens position is greater than a preset distance, displaying the first prompt graphic on the first side of the focus frame;

When the distance between the current lens position and the target lens position is less than or equal to the preset distance, the first prompt graphic is displayed on the second side of the focus frame.
The method according to claim 4, wherein the determining the display mode of the first prompt graphic based on the distance between the current lens position and the target lens position comprises:

When the distance between the current lens position and the target lens position is greater than a preset distance, presenting the first prompt graphic with a first graphic;

When the distance between the current lens position and the target lens position is less than or equal to the preset distance, the first prompt graphic is presented as a second graphic, wherein the first graphic and the second Graphics are different graphics.
The method according to any one of claims 1 to 7, wherein the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a second prompt graphic, and the second prompt graphic is used to represent the The location of the focal plane of the lens.
The method according to claim 8, wherein the focus assist graphic further includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting picture of the shooting device, and the second prompt graphic is located at the on the border of the focus frame described above.
The method according to any one of claims 1 to 9, characterized in that the method further comprises: when it is determined that focusing cannot be achieved by adjusting the adjustment ring, outputting a prompt message indicating that the focusing operation cannot be performed;

The display device displays the prompt information that the focus operation cannot be prompted.
The method according to claim 10, wherein the focus prompt information includes a focus assist graphic, and the focus assist graphic further includes a focus frame, and the position of the focus frame corresponds to the shooting in the shooting screen of the shooting device Target, the second prompt graphic is located on the border of the focus frame, the method also includes:

When it is determined that focusing cannot be achieved by adjusting the adjustment ring,

Controlling the display device to display the focus frame and/or the second prompt graphic in a third color.
The method according to claim 8, further comprising: adjusting the distance between the first prompt graphic and the second prompt graphic according to the distance between the current lens position and the target lens position distance.
The method according to claim 13, wherein the smaller the distance between the current lens position and the target lens position is, the smaller the distance between the first prompt graphic and the second prompt graphic is.
The method according to any one of claims 1 to 13, further comprising: in response to the lens moving from the current lens position to the target lens position, controlling the display device to display The focus prompt information used to represent the completion of focus.
The method according to claim 14, wherein the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a first prompt graphic, a second prompt graphic, and a focus frame, and the response to the lens automatically When the current lens position is moved to the target lens position, the display device is controlled to display focus prompt information for representing focus completion, including:

In response to the lens moving from the current lens position to the target lens position, controlling the display device to display the aligned first prompt graphic and the second prompt graphic; and/or

In response to the lens moving from the current lens position to the target lens position, controlling the display device to display at least one of the first prompt graphic, the second prompt graphic, and the focus frame in a preset color ;and / or

During the focusing process, the focus frame includes at least two parts separated from each other, and in response to the lens moving from the current lens position to the target lens position, the display device is controlled to display that the at least two parts are connected to each other. A composite focus frame to indicate that the focus is complete; and/or

In response to the lens moving from the current lens position to the target lens position, the display device is controlled to display a third prompt graphic to prompt that the focus is completed.
The method according to any one of claims 1 to 14, wherein the focus prompt information includes a focus aid image, the focus aid graphic includes a first prompt graphic and a second prompt graphic, and the first prompt graphic It is used to represent the rotation direction of the adjustment ring, and the second prompting figure is used to represent the position of the focal plane of the lens. The first prompting figure includes an arrow figure, and the second prompting figure includes an arrow figure.
The method according to any one of claims 1 to 16, wherein the adjusting ring includes a focus ring or a focus ring.
A photographing device, characterized in that the photographing device comprises:

lens;

an adjustment ring, used to adjust the lens so that the shooting target is in a focus position;

a memory storing computer-executable instructions;

At least one processor executes the computer-executable instructions stored in the memory, so that the following steps are implemented when executing the computer-executable instructions:

During the focusing process of the photographing device, the current lens position of the photographing device and the target lens position of the photographing device are obtained, wherein, when the photographing device is at the target lens position, the photographing target is at the target lens position of the photographing device In-focus state in the shooting screen;

determining a rotation parameter of the adjustment ring for moving the lens from the current lens position to the target lens position, and generating focus prompt information including the rotation parameter of the adjustment ring;

A display device, configured to display the focus prompt information.
The photographing device according to claim 18, wherein:

The rotation parameter includes a rotation direction, and the focus prompt information includes a focus assist figure, and the focus assist figure includes a first prompt figure, and the first prompt figure is used to characterize the rotation direction of the adjustment ring.
The photographing device according to claim 19, wherein:

The focus aid graphic further includes a focus frame, the position of the focus frame corresponds to the shooting target in the shooting picture of the shooting device, and the first prompt graphic is located outside the focus frame.
The photographing device according to any one of claims 18 to 20, wherein the processor is further configured to: determine the position of the first prompt graphic based on the distance between the current lens position and the target lens position Display method.
The shooting device according to claim 21, wherein the processor determines the display mode of the first prompt graphic based on the distance between the current lens position and the target lens position, comprising:

When the distance between the current lens position and the target lens position is greater than a preset distance, controlling the display device to display the first prompt graphic in a first color;

When the distance between the current lens position and the target lens position is less than or equal to the preset distance, control the display device to display the first prompt graphic in a second color, the first color and the second color Two colors are different colors.
The photographing device according to claim 22, wherein the focus assist graphic further includes a focus frame, the position of the focus frame corresponds to the shooting target in the photographing screen of the photographing device, and the first prompt figure is located at Outside the focus frame, the processor determines the display mode of the first prompt graphic based on the distance between the current lens position and the target lens position, including:

When the distance between the current lens position and the target lens position is greater than a preset distance, controlling the display device to display the first prompt graphic on the first side of the focus frame;

When the distance between the current lens position and the target lens position is less than or equal to the preset distance, the display device is controlled to display the first prompt graphic on the second side of the focus frame.
The photographing device according to claim 22, wherein:

The processor, based on the distance between the current lens position and the target lens position, determines the display mode of the first prompt graphic, including:

When the distance between the current lens position and the target lens position is greater than a preset distance, controlling the display device to present the first prompt graphic with a first graphic;

When the distance between the current lens position and the target lens position is less than or equal to the preset distance, control the display device to present the first prompt graphic with a second graphic, wherein the first graphic It is a different figure from the second figure.
The photographing device according to any one of claims 18 to 24, wherein the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a second prompt graphic, and the second prompt graphic is used to represent the where the focal plane of the lens is located.
The photographing device according to claim 25, wherein the focus prompt information includes a focus assist figure, the focus assist figure comprises a focus frame, and the position of the focus frame corresponds to the photographing in the photographing screen of the photographing device target, the second prompt graphic is located on the border of the focus frame.
The photographing device according to any one of claims 18 to 26, wherein the processor is further configured to: when it is determined that the focus cannot be achieved by adjusting the adjustment ring, output a prompt message indicating that the focus operation cannot be prompted;

The display device is used for displaying the prompt information that the focusing operation cannot be prompted.
The photographing device according to claim 27, wherein the focus prompt information includes a focus assist figure, and the focus assist figure further comprises a focus frame, and the position of the focus frame corresponds to the position of the focus frame in the photographing picture of the photograph device. Shooting the target, the second prompt graphic is located on the border of the focus frame, and the processor is also used for:

When it is determined that focusing cannot be achieved by adjusting the adjustment ring,

Controlling the display device to display the focus frame and/or the second prompt graphic in a third color.
The photographing device according to claim 25, wherein the processor is further configured to: adjust the first prompt graphic and the second prompt according to the distance between the current lens position and the target lens position distance between graphs.
The photographing device according to claim 29, wherein the smaller the distance between the current lens position and the target lens position is, the smaller the distance between the first prompt graphic and the second prompt graphic is.
The photographing device according to any one of claims 18 to 30, wherein the processor is further configured to: control the The display device displays focusing prompt information used to represent the completion of focusing.
The photographing device according to claim 31, wherein the focus prompt information includes a focus assist graphic, and the focus assist graphic includes a first prompt graphic, a second prompt graphic, and a focus frame, and the processor responds to the When the lens moves from the current lens position to the target lens position, the display device is controlled to display focus prompt information for representing focus completion, including:

In response to the lens moving from the current lens position to the target lens position, controlling the display device to display the aligned first prompt graphic and the second prompt graphic; and/or

In response to the lens moving from the current lens position to the target lens position, controlling the display device to display at least one of the first prompt graphic, the second prompt graphic, and the focus frame in a preset color ;and / or

During the focusing process, the focus frame includes at least two parts separated from each other, and in response to the lens moving from the current lens position to the target lens position, the display device is controlled to display that the at least two parts are connected to each other. A composite focus frame to indicate that the focus is complete; and/or

In response to the lens moving from the current lens position to the target lens position, the display device is controlled to display a third prompt graphic to prompt that the focus is completed.
The photographing device according to any one of claims 18 to 32, wherein the focus prompt information includes a focus assist image, the focus assist graphic includes a first prompt graphic and a second prompt graphic, and the first prompt The graphic is used to represent the rotation direction of the adjustment ring, and the second prompt graphic is used to represent the position of the focal plane of the lens. The first prompt graphic includes an arrow graphic, and the second prompt graphic includes an arrow graphic. .
A shooting system, characterized in that the shooting system comprises:

Cloud platform and the photographing equipment described in any one of claims 18-33;

The pan-tilt is used to carry the photographing device.
The photographing system according to claim 34, wherein the lens of the photographing device is coupled with a follow focus motor, and the follow focus motor is used to drive the lens of the photographing device to rotate according to user instructions, so as to focus on the The above-mentioned shooting equipment is used to focus.
The photographing system according to claim 34, wherein the photographing device and the follow focus motor are carried on a pan/tilt.
The photographing system according to claim 34, wherein the photographing device is connected to the pan/tilt in communication, wherein:

The display device of the shooting equipment is arranged on the hand-held part of the cloud platform; or

The display device of the photographing equipment is detachably arranged on the mounting base of the platform, and the display device is connected with the platform in communication.
The photographing system according to claim 35, characterized in that, the follow focus motor is in communication connection with the pan/tilt, the operating part of the follow focus motor is arranged on the hand-held part of the pan/tilt, and the operation The component is used to receive the user's control instruction for the follow focus motor.
The shooting system according to any one of claims 34 to 39, wherein the display device of the shooting device is an interactive interface of the shooting device, or, the display device of the shooting device communicates with the shooting device connect.
A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium; when the computer program is executed, the focusing method according to any one of claims 1-17 is realized.