CN115327755A - Optical amplification system - Google Patents

Abstract

The application is suitable for optical equipment technical field, provides an optical magnification system, includes in proper order from the thing side: the image transfer zoom correction group comprises a first image transfer zoom lens group with a first magnification and a second image transfer zoom lens group with a second magnification, the first image transfer zoom lens group can image a target on a first view field with the first magnification, the second image transfer zoom lens group can image the target on a second view field with the second magnification, and the second view field is positioned in the first view field; wherein the first multiplying power is smaller than the second multiplying power. The double-magnification function can lead a user to flexibly select different magnifications of high and low according to the target distance, namely, the user can select the low magnification at a short distance and select the high magnification at a long distance to finish the alignment of the target; meanwhile, the target and the alignment target can be easily searched by flexibly utilizing the double-view-field function in a long distance, no mechanical transformation operation is needed, the alignment target can be completed without time loss, and even a person is issued first.

Description

Optical amplification system

Technical Field

The present application relates to the field of optical devices, and more particularly, to an optical amplification system.

Background

The optical sighting telescope has the main function of imaging by using an optical lens, and a target image and a sighting line are overlapped on the same focusing plane, so that the sighting point cannot be influenced even if the eye slightly deviates. The existing optical sighting telescope generally comprises a white light sighting telescope and a laser distance measuring sighting telescope, and the white light sighting telescope is generally divided into a fixed-power white light sighting telescope and a variable-power white light sighting telescope. The fixed-magnification sighting telescope cannot be suitable for requirements of different distances and different magnifications, while the variable-magnification sighting telescope can change different magnifications to meet the requirements of different target distances and different magnifications, but the variable-magnification sighting telescope needs to be subjected to variable-magnification operation in the sighting process, is not suitable for aiming a moving target, often misses the optimal aiming time and cannot give a person first. The existing laser ranging sighting telescope improves the accurate judgment of the target distance through laser ranging, but the existing laser ranging sighting telescope is doubled by a fixed number of times, and great difficulty is encountered in searching and aligning the target.

Disclosure of Invention

An object of the embodiments of the present application is to provide an optical amplifying system, which aims to solve the technical problem that the optical amplifying system cannot automatically and rapidly adjust for variable magnification.

To achieve the above object, according to one aspect of the present application, there is provided an optical magnification system including, in order from an object side: the image transfer zoom correction group comprises a first image transfer zoom lens group with a first magnification and a second image transfer zoom lens group with a second magnification, the first image transfer zoom lens group can image a target on a first view field with the first magnification, the second image transfer zoom lens group can image the target on a second view field with the second magnification, and the second view field is positioned in the first view field; wherein the first multiplying power is smaller than the second multiplying power.

Optionally, the image transfer zoom correction set includes a first lens set, a second lens set and a third lens set, the first lens set and the second lens set share the first lens set, the emergent light of the first lens set is emitted to the ocular set through the second lens set, and the emergent light of the first lens set is also emitted to the ocular set through the third lens set; the first lens group and the second lens group form a first image transfer lens group, and the first lens group and the third lens group form a second image transfer lens group.

Optionally, the first lens group and the second lens group are coaxially disposed, and an optical axis of the second lens group is parallel to an optical axis of the third lens group.

Optionally, the first lens group includes: the first correcting lens, the second correcting lens, the third correcting lens, the fourth correcting lens, the fifth correcting lens and the sixth correcting lens are coaxially arranged in sequence from the object side; the second lens group comprises a seventh correcting lens; the third lens group includes: the eighth correcting lens, the ninth correcting lens, the tenth correcting lens and the eleventh correcting lens are coaxially arranged from the object side in sequence; the first correcting lens, the sixth correcting lens and the tenth correcting lens are negative lenses; the second, third, fourth, fifth, seventh, eighth, ninth and eleventh correcting lenses are positive lenses.

Optionally, the optical magnification system further includes a laser ranging system, a sensor detection system, a main control board, an optical reticle and an internal projection display system, the optical magnification system has a first focal plane and a second focal plane, the first focal plane is located between the objective lens group and the relay variable magnification correction group, and the second focal plane is located between the eyepiece lens group and the relay variable magnification correction group; the laser ranging system, the sensor detection system and the internal projection display system are respectively and electrically connected with the main control panel; the laser ranging system is used for acquiring distance information of a target and sending the distance information to the main control board; the sensor detection system is used for acquiring the environment information of a target and sending the environment information to the main control board; the main control board is used for receiving and processing the distance information and the environment information and transmitting the processed distance information and the processed environment information to the inner projection display system; the optical reticle is arranged at the first focal plane and used for dividing the image of the target transmitted by the objective lens group, and the optical reticle can move along the optical axis of the objective lens group; and the inner projection display system is used for displaying the processed distance information and the processed environment information and projecting the displayed distance information and the displayed environment information to the second focal plane.

Optionally, the optical amplification system further includes a receiving prism, where the receiving prism is configured to reflect the laser emitted by the laser ranging system, so that the laser ranging system obtains the distance information; the receiving prism is also used for transmitting the light rays of the image of the target transmitted by the objective lens group to the image conversion zoom correction group.

Optionally, the objective lens group comprises, in order from the object side: the lens system comprises an objective lens cemented lens, a first objective lens and a second objective lens, wherein the objective lens cemented lens is a positive lens, the first objective lens is a positive lens, the second objective lens is a negative lens, and the second objective lens is a focusing lens.

Optionally, the inner projection display system includes, in order from the object side, a micro display screen, a projection lens set and a beam splitting projection prism, and the beam splitting projection prism is disposed between the image rotation zoom correction set and the eyepiece set; the micro display screen is electrically connected with the main control panel and is used for displaying the processed distance information and the processed environment information; the light rays of the distance information and the environment information which are displayed by the micro display screen and transmitted by the projection lens group are reflected by the beam splitting projection prism and then projected to a second focal plane of the eyepiece group; the light emitted by the image conversion zoom correction group is transmitted by the beam splitting projection prism and then projected to a second focal plane of the ocular lens group.

Optionally, the projection lens group includes a first projection lens, a second projection lens, a third projection lens, and a projection cemented lens, where the first projection lens is a positive lens, the second projection lens is a negative lens, the third projection lens is a positive lens, and the projection cemented lens is a positive lens.

Optionally, the eyepiece group comprises, in order from the object side: the lens comprises a first ocular lens, a second ocular lens, an ocular cemented lens and a third ocular lens, wherein the first ocular lens is a positive lens, the second ocular lens is a negative lens, the ocular cemented lens is a positive lens, and the third ocular lens is a positive lens.

The optical amplification system provided by the application has the beneficial effects that:

the first image transfer lens group with a first multiplying power and the second image transfer lens group with a second multiplying power are arranged in the image transfer zoom correction group, so that the first image transfer lens group and the second image transfer lens group are respectively presented in the same visual field by images with different multiplying powers, and therefore, a user can flexibly select different multiplying powers according to the target distance through the double multiplying power function, namely, the user selects a low multiplying power at a short distance and selects a high multiplying power at a long distance to finish the alignment of the target; meanwhile, the target can be easily searched and aligned by flexibly utilizing the double-view field function in a long distance, namely, the target is searched by utilizing the low-magnification large-view field, the target is aligned by utilizing the high-magnification small-view field, the mechanical transformation operation is not needed, the alignment of the target can be completed without time loss, and even a person is firstly issued.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic diagram of an optical magnification system provided in some embodiments of the present application;

FIG. 2 is a schematic diagram of a main optical path of an optical magnification system provided in some embodiments of the present application;

FIG. 3 is a schematic view of a relay zoom correction set of an optical magnification system according to some embodiments of the present application;

FIG. 4 is a dual power dual field of view schematic diagram of an optical magnification system provided in some embodiments of the present application;

FIG. 5 is a schematic view of a laser ranging system of an optical amplification system provided in some embodiments of the present application;

FIG. 6 is an objective lens group and laser receiving illustration of an optical magnification system provided in some embodiments of the present application;

FIG. 7 is a schematic illustration of an inner projection display system of an optical magnification system provided in accordance with some embodiments of the present application;

fig. 8 is a schematic view of an eyepiece set of an optical magnification system according to some embodiments of the present application.

Reference numerals referred to in the above figures are detailed below:

01. an objective lens group; 011. an objective lens cemented lens; 0111. a fourth objective lens; 0112. a fifth objective lens; 012. a first objective lens; 013. a second objective lens;

02. a receiving prism; 021. receiving a prism cemented surface;

03. an optical reticle; 031. an optical reticle back surface;

04. a first focal plane;

05. a transfer zoom correction group; 0501. a first correcting lens; 0502. a second corrective lens; 0503. a third corrective lens; 0504. a fourth corrective lens; 0505. a fifth corrective lens; 0506. a sixth corrective lens; 0507. a seventh corrective lens; 0508. an eighth corrective lens; 0509. a ninth corrective lens; 0510. a tenth corrective lens; 0511. an eleventh corrective optic;

06. a second focal plane;

07. an eyepiece group; 071. a first eyepiece lens; 072. a second eyepiece lens; 073. an eyepiece cemented lens; 0731. a fourth eyepiece lens; 0732. a fifth eyepiece lens; 074. a third eyepiece lens;

08. an exit pupil; 081. a first field of view; 082. a second field of view; 083. real images; 084. real images;

09. a main control board;

10. a laser ranging system; 101. a laser emission module; 102. a laser receiving module;

11. an inner projection display system; 111. a micro display screen; 112. a first projection lens; 113. a second projection lens; 114. a third projection lens; 115. a projection cemented lens; 1151. a fourth projection lens; 1152. a fifth projection lens; 116. a beam splitting projection prism; 1161. a beam-splitting projection prism total internal reflection surface; 1162. and (3) gluing the prism of the light splitting projection.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

As described in the background art, at present, a fixed-magnification sighting telescope cannot be suitable for requirements of different distances and distances on different magnifications, while a variable-magnification sighting telescope can change different magnifications to meet the requirements of different target distances on different magnifications, but the variable-magnification sighting telescope needs to be subjected to variable-magnification operation in the sighting process, is not suitable for aiming a moving target, often misses the optimal aiming time, and even cannot be used for preemptive control. The existing laser ranging sighting telescope improves the accurate judgment of the target distance through laser ranging, but is a fixed-time laser ranging sighting telescope, and great difficulty is encountered in searching and aligning the target.

Referring to fig. 1 to 4, in order to solve the above problem, according to an aspect of the present application, some embodiments of the present application provide an optical magnification system, including, in order from an object side: the imaging system comprises an objective lens group 01, a relay magnification-varying correction group 05 and an eyepiece lens group 07, wherein the relay magnification-varying correction group 05 comprises a first relay magnification lens group with a first magnification and a second relay magnification lens group with a second magnification, the first relay magnification lens group can image a target on a first view field 081 with the first magnification, the second relay magnification lens group can image the target on a second view field 082 with the second magnification, and the second view field 082 is positioned in the first view field 081; wherein the first multiplying power is smaller than the second multiplying power.

By applying the technical scheme of the application, the first image transfer multiplying lens group with the first multiplying power and the second image transfer multiplying lens group with the second multiplying power are arranged in the image transfer zooming correction group 05, and the first image transfer multiplying lens group and the second image transfer multiplying lens group of the image transfer zooming correction group 05 share one ocular lens group 07, so that the first image transfer multiplying lens group and the second image transfer multiplying lens group are respectively presented in the same visual field by images with different multiplying powers, therefore, a user can flexibly select different multiplying powers according to a target distance through a double-multiplying-power function, namely, a low multiplying power is selected at a near distance, and a high multiplying power is selected at a far distance to finish capturing a target; meanwhile, the target can be easily searched and accurately captured by flexibly utilizing the double-view-field function in a long distance, namely, the target is searched by utilizing the low-magnification large-view field, the target is accurately captured by utilizing the high-magnification small-view field, mechanical transformation operation is not needed, accurate capture of the target can be completed without time loss, and even a person is firstly issued.

The image conversion zoom correction set 05 in some embodiments includes a first lens set, a second lens set and a third lens set, the first lens set and the second lens set share the first lens set, the emergent light of the first lens set is emitted to the ocular set 07 through the second lens set, and the emergent light of the first lens set is also emitted to the ocular set 07 through the third lens set; the first lens group and the second lens group form a first image transfer lens group, and the first lens group and the third lens group form a second image transfer lens group.

Specifically, the target is imaged by the objective lens group 01 and transmits imaging light to the relay zoom correction group 05 through the objective lens group 01, wherein the relay zoom correction group 05 includes two different optical paths formed by a first relay lens group and a second relay lens group, one optical path is that the imaging light is transmitted to the eyepiece lens group 07 through the first lens and the second lens group, and the other optical path is that the imaging light is transmitted to the eyepiece lens group 07 through the first lens group and the third lens group, so that the first relay lens group and the second relay lens group respectively present images with different magnifications in the same field of view, as shown in fig. 4, not only can a real image 083 presented by the first relay lens group 081 at the first magnification to the target be seen, but also a real image 084 presented by the second relay lens group 082 at the second magnification to the target be seen, and the second field of view is imaged in the first field of view 081.

In some embodiments, the first lens group and the second lens group are coaxially disposed, and the optical axis of the second lens group and the optical axis of the third lens group are disposed in parallel.

Specifically, the optical amplifying system has a main optical axis, the first lens group and the second lens group are disposed on the main optical axis along a transmission direction of light, and an optical axis of the third lens group is disposed parallel to the main optical axis.

Referring to fig. 3 to 4, the first lens group in some embodiments includes: a first correction lens 0501, a second correction lens 0502, a third correction lens 0503, a fourth correction lens 0504, a fifth correction lens 0505, and a sixth correction lens 0506 coaxially provided in this order from the object side; the second lens group comprises a seventh correction lens 0507; the third lens group includes: an eighth correction lens 0508, a ninth correction lens 0509, a tenth correction lens 0510, and an eleventh correction lens 0511 coaxially disposed in this order from the object side; the first 0501, sixth 0506 and tenth 0510 correcting lenses are negative lenses; the second correction lens 0502, the third correction lens 0503, the fourth correction lens 0504, the fifth correction lens 0505, the seventh correction lens 0507, the eighth correction lens 0508, the ninth correction lens 0509, and the eleventh correction lens 0511 are positive lenses.

As shown in fig. 2, the main optical path of the optical amplifying system includes: objective lens group 01, double-magnification and double-field-of-view relay zoom correction group 05, eyepiece lens group 07 and exit pupil 08. The light from the distant object scene is divided into two parts after passing through the objective lens group 01 and the image transforming and zooming correcting group 05. After the imaging light passes through the first correction lens 0501, the second correction lens 0502, the third correction lens 0503, the fourth correction lens 0504, the fifth correction lens 0505, the sixth correction lens 0506, and the seventh correction lens 0507 in sequence, a real image 083 which is enlarged but not limited to 3X (3 times) is formed at the eyepiece group 07 at an angle of view of, but not limited to 7.2 degrees (a distant scene is formed into a real image); the imaging light further passes through the first correction lens 0501, the second correction lens 0502, the third correction lens 0503, the fourth correction lens 0504, the fifth correction lens 0505, the sixth correction lens 0506, the eighth correction lens 0508, the ninth correction lens 0509, the tenth correction lens 0510, and the eleventh correction lens 0511 in sequence, and then forms an enlarged but not limited to 8X (8 times) real image 083 (a far scene forms an upright real image) at the eyepiece group 07 at but not limited to a 1.0 degree field angle, as shown in fig. 4. After the double-magnification images are respectively transmitted through the eyepiece group 07 and the exit pupil 08 by the double-view field, the human eyes can see the images of the double-magnification images and the double-view field.

Referring to fig. 5, the optical magnifying system in some embodiments further includes a laser ranging system 10, a sensor detection system (not shown), a main control panel 09, an optical reticle 03 and an inner projection display system 11, the optical magnifying system has a first focal plane 04 and a second focal plane 06, the first focal plane 04 is located between the objective lens group 01 and the relay zoom correction group 05, and the second focal plane 06 is located between the eyepiece lens group 07 and the relay zoom correction group 05; the laser ranging system 10, the sensor detection system and the internal projection display system 11 are respectively and electrically connected with the main control board 09; the laser ranging system 10 is configured to obtain distance information of a target and send the distance information to the main control board 09; the sensor detection system is used for acquiring the environmental information of the target and sending the environmental information to the main control board 09; the main control panel 09 is configured to receive and process the distance information and the environment information, and transmit the processed distance information and environment information to the inner projection display system 11; the optical reticle 03 is arranged at the first focal plane 04 and used for dividing the image of the target transmitted by the objective lens group 01, and the optical reticle 03 can move along the optical axis of the objective lens group 01; the inner projection display system 11 is used for displaying the processed distance information and environment information and projecting the displayed distance information and environment information to the second focal plane 06.

Specifically, the main control panel 09 controls the laser ranging system 10 to measure the distance of the target, and obtains the environmental information (such as weather information) through the sensor detection system, and transmits the distance information and the environmental information of the target to the micro-display 111, and then projects all the information displayed on the micro-display 111 to the second focal plane 06 through the inner projection display system 11. The human eye at the exit pupil 08 can receive the eye fundus with the information projected onto the second focal plane 06 by the eyepiece group 07. The user manually adjusts the transverse position of the optical reticle 03 at the first focal plane 04 according to the distance information and the weather information of the target observed by the human eyes, so as to complete ballistic compensation and target alignment. Furthermore, the main control board 09 implements automatic trajectory compensation through the measured distance information and weather information of the target, processing by a software algorithm, and then through the internal projection display system 11, and easily completes alignment of the target.

Wherein, the main light path of optical amplification system includes: an objective lens group 01, an optical reticle 03 positioned at a first focal plane 04, a double magnification and double field of view relay zoom correction group 05, an eyepiece lens group 07 and an exit pupil 08. Light from a distant target scene passes through the objective lens group 01 and the optical reticle 03 and forms an inverted real image at the first focal plane 04, and the real image is located at the first focal plane 04 together with the reticle pattern on the rear surface 031 of the optical reticle. The real image of the distant target scene on the first focal plane 04 and the light of the pattern on the optical reticle 03 are divided into two parts after passing through the relay magnification correction group 05 at the same time. A real image of a distant target scene on the first focal plane 04 and light rays of a pattern on the optical reticle 03 sequentially pass through the first correction lens 0501, the second correction lens 0502, the third correction lens 0503, the fourth correction lens 0504, the fifth correction lens 0505, the sixth correction lens 0506, and the seventh correction lens 0507, and then are magnified but not limited to 3X (3 times) real image 083 (the distant scene is a real image which is upright, and the scale pattern on the rear surface 031 of the optical reticle is a real image which is inverted) on the second focal plane 06 at a viewing angle of but not limited to 7.2 degrees; the real image of the distant target scene on the first focal plane 04 and the light of the pattern on the optical reticle 03 sequentially pass through the first correction lens 0501, the second correction lens 0502, the third correction lens 0503, the fourth correction lens 0504, the fifth correction lens 0505, the sixth correction lens 0506, the eighth correction lens 0508, the ninth correction lens 0509, the tenth correction lens 0510, and the eleventh correction lens 0511, and then the real image 084 (the distant scene is an upright real image, and the scale pattern on the rear surface 031 of the optical reticle is an inverted real image) which is enlarged but not limited to 8X (8 times) is formed on the second focal plane 06 at the field angle of 1.0 degree. As shown in fig. 4, after the two magnifications (3X and 8X) are transmitted through the human eye at the eyepiece group 07 and the exit pupil 08 with the two fields of view (the first field of view 081 and the second field of view 082), the human eye can see the images of the two magnifications and the two fields of view at the same time.

In some embodiments, the ratio of the focal lengths of objective lens group 01 and ocular lens group 07 is 2.0+/-1.0.

Referring to fig. 5 to 6, the optical magnifying system in some embodiments further includes a receiving prism 02, where the receiving prism 02 is configured to reflect the laser emitted by the laser ranging system 10, so that the laser ranging system 10 obtains the distance information of the target; the receiving prism 02 is also used for transmitting the imaged light of the target transmitted by the objective lens group 01 to the relay magnification correction group 05.

Note that the receiving prism 02 is used to distinguish between visible light and laser light. In some embodiments, as shown in fig. 6, the bonding surface 021 of the receiving prism in the receiving prism 02 is coated with a film, and the coating specification is that visible light passes through near infrared and is cut off, further, the visible light transmittance of 450nm to 680nm is 99.5%, and the infrared light reflectance of the wavelength longer than 850nm is more than 99.5%.

In some embodiments, the receiving prism 02 is disposed between the objective lens group 01 and the optical reticle 03. The laser ranging system 10 includes a laser emitting module 101 and a laser receiving module 102. The main control panel 09 controls the laser emitting module 101 to emit near infrared laser, which is reflected by the target, then condensed by the objective lens group 01, totally reflected by the receiving prism bonding surface 021 of the receiving prism 02, received by the laser receiving module 102, and then transmitted to the main control panel 09 for signal processing to measure the target distance.

Referring to fig. 6, the objective lens group 01 in some embodiments includes, in order from the object side: the objective lens 011 is a positive lens, the first objective lens 012 is a positive lens, the second objective lens 013 is a negative lens, wherein the second objective lens 013 is a focusing lens, and the focusing range is from infinity to a close target of 20 meters. The objective lens 011 includes a fourth objective lens 0111 and a fifth objective lens 0112, the fourth objective lens 0111 being a positive lens, and the fifth objective lens 0112 being a negative lens.

Referring to fig. 7, the inner projection display system 11 in some embodiments includes, in order from the object side, a micro display 111, a projection lens set, and a splitting projection prism 116, wherein the splitting projection prism 116 is disposed between the relay-image magnification-varying correction set 05 and the eyepiece set 07; the micro display screen 111 is electrically connected with the main control board 09 and is used for displaying the processed distance information and the processed environment information; the light rays of the distance information and the environmental information displayed by the micro display 111 transmitted by the projection lens set are reflected by the beam splitting projection prism 116 and then projected to the second focal plane 06 of the eyepiece set 07; the light emitted from the image-rotating zoom correction group 05 is transmitted by the beam splitting projection prism 116 and then projected to the second focal plane 06 of the eyepiece group 07.

All information displayed on the micro display 111 is reflected by the splitting projection prism total internal reflection surface 1161 of the splitting projection prism 116 after passing through the projection lens group through light rays and totally reflected by the splitting projection prism total internal reflection surface 1162, and then is projected to the second focal plane 06.

Referring to fig. 7, the projection lens set in some embodiments includes a first projection lens 112, a second projection lens 113, a third projection lens 114, and a projection cemented lens 115, where the first projection lens 112 is a positive lens, the second projection lens 113 is a negative lens, the third projection lens 114 is a positive lens, and the projection cemented lens 115 is a positive lens. The projection cemented mirror 115 includes a fourth projection lens 1151 and a fifth projection lens 1152, the fourth projection lens 1151 is a positive lens, and the fifth projection lens 1152 is a negative lens.

Referring to fig. 8, the ocular group 07 in some embodiments includes, in order from the object side: the novel eyepiece lens comprises a first eyepiece lens body 071, a second eyepiece lens body 072, an eyepiece cemented lens 073 and a third eyepiece lens body 074, wherein the first eyepiece lens body 071 is a positive lens, the second eyepiece lens body 072 is a negative lens, the eyepiece cemented lens 073 is a positive lens, and the third eyepiece lens body 074 is a positive lens. The eyepiece cemented lens 073 includes a fourth eyepiece lens 0731 and a fifth eyepiece lens 0732, the fourth eyepiece lens 0731 is a negative lens, and the fifth eyepiece lens 0732 is a positive lens.

In some embodiments, the eyepiece cemented lens 073 and the third eyepiece lens 074 are combined into a set that can be moved back and forth along the optical axis to accommodate viewing by human eyes of different diopters at the exit pupil 08.

In summary, the optical amplifying system provided by the embodiment at least has the following beneficial technical effects:

(1) The user can flexibly select different multiplying powers according to the target distance through the double multiplying power function, select the low multiplying power in a short distance, and select the high multiplying power in a long distance to finish the alignment of the target;

(2) When the system is in a long distance, the double-view-field function can be flexibly utilized to easily search targets and align the targets, namely, the low-magnification large-view-field is utilized to search the targets, the high-magnification small-view field is utilized to align the targets, no mechanical transformation operation is needed, and the alignment of the targets can be completed without time loss, even a person is made first;

(3) The two partition functions that the electron graticule that interior projection display system 11 realized constitutes on optical graticule 03 and the second focal plane 06 on through first focal plane 04 is optical partition and electron partition promptly, except letting the user to the eye ground with target and weather information, can also let the user select artifical trajectory compensation and automatic trajectory compensation in a flexible way, consequently, the optical amplification system of this application has integrated the laser rangefinder function, projection display and automatic trajectory compensation function in target and the weather information, and because multi-functional highly integrated, let the user can pass through the accurate target distance of judging of laser rangefinder.

The present application is intended to cover various modifications, equivalent arrangements, and adaptations of the present application without departing from the spirit and scope of the present application.

Claims (10)

1. An optical amplification system comprising, in order from an object side: the image transfer zoom correction system comprises an objective lens group, an image transfer zoom correction group and an eyepiece lens group, wherein the image transfer zoom correction group comprises a first image transfer lens group with a first multiplying power and a second image transfer lens group with a second multiplying power, the first image transfer lens group can image a target on a first visual field at the first multiplying power, the second image transfer lens group can image the target on a second visual field at the second multiplying power, and the second visual field is located in the first visual field; wherein the first magnification is less than the second magnification.

2. The optical amplifying system according to claim 1, wherein the image transferring zoom correcting group comprises a first lens group, a second lens group and a third lens group, the first and second image transferring zoom lens groups share the first lens group, the emergent light of the first lens group is emitted to the eyepiece group through the second lens group, and the emergent light of the first lens group is also emitted to the eyepiece group through the third lens group; the first lens group and the second lens group form the first image transfer lens group, and the first lens group and the third lens group form the second image transfer lens group.

3. The optical magnification system of claim 2, wherein said first lens group and said second lens group are coaxially disposed with the optical axis of said second lens group and the optical axis of said third lens group being disposed parallel.

4. The optical magnification system of claim 3, wherein the first lens group includes: the first correcting lens, the second correcting lens, the third correcting lens, the fourth correcting lens, the fifth correcting lens and the sixth correcting lens are coaxially arranged in sequence from the object side;

the second lens group comprises a seventh correcting lens;

the third lens group includes: the eighth correcting lens, the ninth correcting lens, the tenth correcting lens and the eleventh correcting lens are coaxially arranged from the object side in sequence;

the first, sixth and tenth corrective lenses are negative lenses;

the second, third, fourth, fifth, seventh, eighth, ninth, and eleventh corrective lenses are positive lenses.

5. The optical magnification system of claim 1 further comprising a laser ranging system, a sensor detection system, a master control board, an optical reticle and an internal projection display system, the optical magnification system having a first focal surface between the objective lens group and the relay zoom correction group and a second focal surface between the eyepiece lens group and the relay zoom correction group;

the laser ranging system, the sensor detection system and the inner projection display system are respectively electrically connected with the main control board;

the laser ranging system is used for acquiring the distance information of the target and sending the distance information to the main control board;

the sensor detection system is used for acquiring the environmental information of the target and sending the environmental information to the main control board;

the main control board is used for receiving and processing the distance information and the environment information and transmitting the processed distance information and the processed environment information to the inner projection display system;

the optical reticle is arranged at the first focal plane and used for dividing the image of the target transmitted by the objective lens group, and the optical reticle can move along the optical axis of the objective lens group;

the inner projection display system is used for displaying the processed distance information and the processed environment information and projecting the displayed distance information and the displayed environment information to the second focal plane.

6. The optical amplification system of claim 5, further comprising a receiving prism for reflecting the laser light emitted by the laser ranging system to enable the laser ranging system to acquire the distance information; the receiving prism is also used for transmitting the imaged light of the target transmitted by the objective lens group to the image conversion zoom correction group.

7. The optical magnification system of claim 1, wherein the objective lens group comprises, in order from an object side: the lens system comprises an objective lens cemented lens, a first objective lens and a second objective lens, wherein the objective lens cemented lens is a positive lens, the first objective lens is a positive lens, the second objective lens is a negative lens, and the second objective lens is a focusing lens.

8. The optical amplification system of claim 5, wherein the inner projection display system comprises a micro display screen, a projection lens set and a beam splitting projection prism in sequence from an object side, and the beam splitting projection prism is disposed between the image rotation and magnification change correction set and the eyepiece set;

the micro display screen is electrically connected with the main control panel and is used for displaying the processed distance information and the processed environment information;

the light rays of the distance information and the environment information which are transmitted by the projection lens group and displayed by the micro display screen are reflected by the beam splitting projection prism and then projected to a second focal plane of the eyepiece group;

and the light rays emitted by the image conversion zoom correction group are transmitted by the light splitting projection prism and then projected to a second focal plane of the ocular group.

9. The optical amplification system of claim 8, wherein the projection lens set comprises a first projection lens, a second projection lens, a third projection lens and a projection combiner, the first projection lens is a positive lens, the second projection lens is a negative lens, the third projection lens is a positive lens, and the projection combiner is a positive lens.

10. An optical magnification system as claimed in claim 1, wherein the eyepiece group comprises, in order from the object side: first eyepiece lens, second eyepiece lens, eyepiece cemented lens and third eyepiece lens, first eyepiece lens is positive lens, second eyepiece lens is negative lens, eyepiece cemented lens is positive lens, the third eyepiece lens is positive lens.

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