JPS59501599A - Camera accessories - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Camera auxiliary equipment The present invention relates to an accessory for a camera adapted to create special light or color effects. do.

Known filters, reflectors and modified lenses can be used in the studio, by amateurs or professionals. It is used by photographers to create special photographic effects. These accessories are usually connected to a photographic support to which an optical support located in front of the lens is attached; It consists of parts. These parts are bulky and difficult to carry. Since it cannot be used outdoors, it is usually limited to use inside the studio. .

It is an object of the present invention to eliminate such drawbacks, and according to the present invention, You can easily take it out and use it wherever you go, and it can also be used as a still camera or camera. - A small device is provided as an accessory for a camera. As a result, this device By using it, there is a great possibility that you will be able to take photos with "special effects". The field of photography, which was previously limited to only experts, is now open to amateurs. He will be released.

To achieve this objective, according to the invention, a reflective inner surface is formed or includes at least one tubular member that is colored translucently and the objective lens of the camera. and a device for attaching the member at the front. is provided.

When light passes through a tubular member and is reflected by the reflective surface of this member, the objective lens The light passing through the lens is already diffused. However, this degree of deformation is For example, some auxiliary parts, such as special effect lenses placed inside the tubular member, may be added. It is further emphasized by adding

Note that the lens is a medium provided coaxially with the optical axis of the objective lens of the camera. It has a central aperture and a modified annular surface around the central aperture.

A movable diaphragm mounted inside the tubular member or a colored and special resin A translucent tubular section coaxially disposed within the center opening of the lens or an internal section of the tubular member. In addition, it is equipped with a reflective member that can be attached to the end facing the objective lens of the camera. When added, the effect changes even more significantly.

According to one embodiment, the device includes at least one annular ring and a different color. a series of light emitting devices for emitting light, and a series of light emitting devices for successive energization within the supporting handle of the device. A control device is provided. This way you can get special color effects. It will be done.

Special effects can be created by combining these elements and changing their shapes and positions. The range of results can be expanded, but this is only possible through the photographer's imagination, or artistic talent. It depends on Noh. Of course, this device is best used with reflex cameras. desirable. With this type of camera, the user can determine what kind of images appear on the photographic plate. You can check in advance whether your photo will be taken.

Brief description of the drawing The present invention will be better understood by the following description of preferred embodiments, with reference to the accompanying drawings. I hope it will be well understood.

FIG. 1 is a simplified longitudinal sectional view of a first embodiment of the device according to the invention.

FIG. 2 is a longitudinal sectional view of a preferred embodiment of the device according to the invention.

Figures 3, 4, 5 and 6 represent the equipment shown in Figures 1 and 2. 3 shows different embodiments of the special effect deformable lens used in various locations.

7, 8 and 9 show the end portions of the tubular member constituting the device according to the invention. It is a figure which shows the various reflective members attached.

FIG. 10 is a perspective view when the device according to the second embodiment of the present invention is attached to the camera. It is a diagram.

Figure 11 shows a delivery device comprising a series of deformable lenses mounted in front of the lenses. FIG. 2 is a perspective view showing the loading device.

FIGS. 12 and 13 are side views showing two other deformable lenses.

In FIG. 1, the device (10) is cylindrical and the end of the ring (12) It is equipped with a tubular member (11) that is used by being attached to. Ring C112) is The tubular member (1) has a threaded portion (13). 1) with the objective lens of a Snarl camera or movie camera ([2 not shown) It can be attached to the front or extension of the Inner surface (11) of tubular member (11) The inner surface (14) is a reflective surface.

When using this device having a tubular member (11) and a positioning ring (12), the The stray or interferential reflections caused by the projection surface (14) create special effects. can get.

Furthermore, the positioning ring (12) is used to center and position the special effect lens (16). a shoulder (15) for positioning, and the lens has a center-to-center CI (19).

The central opening (19) is coaxial with the tubular member (11) and is open to the light of the objective lens of the camera. It is concentric with the axis.

As shown in detail in FIGS. 3 to 6, the light-receiving surface (17) of the lens (16) ) has a special shape, namely a truncated cone as shown in FIG.

The central opening (19) is provided with a cylindrical groove and preferably has a colored half-shape. A cylindrical portion (18) of transparent material engages the central opening (19). this circle The cylindrical portion (18) can vary in length and may be colored as desired. . Preferably, it is made of synthetic material such as polyvinyl chloride.

The tubular member (11) is made of metal such as aluminum, and its inner surface is Polishing knee H-, H, or known feldspar treatment is applied to create a reflective surface. Also, Deposition 11 [Yu, a synthetic material with a rounded inner surface. Go((・To make the parts 1) Can also be done. This tubular member is made of translucent synthetic material and can be colored. FIG. 2 shows another embodiment of the device of the invention; ) comprises a tubular member 0.21) connected to a positioning ring (22). Ru. The ring (22) has a threaded part (23), and using this threaded part, , the device can be attached to a camera or a movie camera. .

As before, the tubular member (21) has a reflective inner surface (24) and is colored 1 positioning ring (22) made of translucent material holds the deformable lens (26) The lens has a shoulder (25) used for positioning, and the lens has a central opening. It has a mouth (27). Cylindrical part (28) made of colored synthetic material is engaged with the central aperture.

A reflective member (30) is supported at the end of the tubular member (21) facing the objective lens. A second positioning ring (29) is attached, which is made to fit. reflection The member includes, for example, a conical reflective surface (31) and a circular central opening coaxial with the tubular member (21). (32).

As shown in detail in FIGS. 7 to 9, the reflective member (30) has different shapes. and is made from common materials commonly used in this field.

The variable diaphragm (33) attached to the ring (34) is connected to the tubular member (21). between the lens (26) and the reflective member (30), or between the reflective member (30) It is located where the parts are located.

In the most complex embodiment, this device (2o) is integral with the handle (36). It comprises a case (35) defining a storage section (37). This case Inside the space is provided a series of light emitting devices, for example light bulbs. Each light bulb is It is attached to a base (39) which is fixed within the housing (37). light bulb Use a white light bulb with a one-color filter, or use a colored light bulb in some cases. You can also use a light emitting diode instead of a light bulb.

A tubular member is used to guide light obtained from the light emitting device (38) into the tubular member (21). is provided with a series of openings (40) located regularly around its periphery.

The case (35) is secured to the tube by a positioning ring (old) with a clip (42). It is attached to the shaped member (21). The clip (42) attaches to the base of the case (35). It passes through an annular opening (43) provided in the base.

Since the handle (36) is hollow, it sequentially energizes the light emitting device (38). It can accommodate control equipment for

Regardless of the embodiment, red, green, and blue ( A series of light-emitting devices (38) consisting of light bulbs (or yellow) are provided and lit in sequence. Can be done.

As shown in Figure 2, if you use the 4-point multi-function connector (44), all It is possible to cut off the current of all light bulbs. This causes the first contact of the connector to When connected, one of the series of colored bulbs will light up, followed by a light on the remaining three contacts. However, when each is connected, the corresponding colored bulb will light up.

To do this, the connector has a rotary control box integral with the cam (46). The teeth of this cam are connected to a fixed printed circuit (7). contact edges (47), respectively. This printed circuit (7) is movable electrically connected to the light emitting device (38) by a printed circuit (48); , the movable printed circuit (48) is integrated with a sliding button (49). ) allows it to be moved laterally.

The movable printed circuit (48) has a fixed printed circuit (7) and a fixed printed circuit (7) on its lower surface. For example, a spring-loaded plug so that contact is made between the movable printed circuit and the It is provided with a suitable number of vapor deposited metal circuits which can be contacted with contact plugs (9) such as.

The two positions of the sliding button (49) allow the -function and A variant of the electrical operation of the fixed printed circuit (7) is obtained as follows. Therefore, For example, if two different colored light bulbs are energized at the same time or if they are installed in the housing (37), By energizing all the light emitting devices (38), a new color combination is obtained. can be done.

The control device shown as an example in FIG. 2 has the same function. If so, a known electronic control device or program control can be used.

Connection pins (8) allow the control device to be connected to an external power source (not shown). but In some cases, this power supply may be installed inside the handle (36) or in the case (35). You can also do it.

Figures 3 to 6 show different embodiments of deformable lenses with special effects.

Both sides of this lens can be easily reversed and used. lens (50), Figures 3A and 3B show the side and bottom views, respectively. According to A regularly arranged array of identical or different facets is provided. lens (50) is hollow.

This is illustrated in Figure 4A, which shows the appearance when viewed from the side and from below, respectively. and is the only feature that distinguishes it from the lens (60) in FIG. 4B. previous place As in the case, the lens (60) has a central aperture (61) and a truncated conical front part (62). This front part is provided with a plurality of facets (63).

Figures 5A and 5A show their side and bottom views, respectively; In FIG. 5B, the lens (70) has a central aperture (71) and a front portion provided with a gap. It consists of (72). In other words, the front part has a periphery around the center opening (71). A series of regularly spaced notches or teeth are provided along the edges. Each tooth (73) has two faces (74) and (75) that extend at a fairly wide angle. ing. Lens (70) is either solid or hollow.

The lens (80) shown in FIGS. 6A and 6B has a central aperture (81) and It consists of a stepped front part (82). The staircase part (83) of this surface part is a concentric ring. It consists of a shaped surface whose diameter decreases from the edge of the lens to the central aperture. .

Figures 7, 8 and 9 show three reflectors (90) (1oo) (I lo ) is shown. The reflector (90) has a truncated conical reflecting surface (91) and a central opening (92). ). The reflector (100) has an annular reflective surface (101) and a central opening (1 02). The reflector (110) has a concave or parabolic reflective surface (tit ) and a central opening (112). The shape of the reflective surface and the size of the center aperture Laws can be changed freely.

FIG. 10 shows a camera (120) with an interchangeable objective lens. The camera has To support the front end of the deformation device (123) attached to the objective lens, A support (121) with a handle (122) is attached.

This deformation device consists of a tubular part, and this tubular part has 0 It has two annular cases (124) and (125). The annular case is shown in Figure 2. It is essentially the same as the annular case (35) described in detail with reference to . First case The base (124) has a control device and a connection device as detailed with reference to FIG. It is equipped with a handle (126).

The numbers of the light emitting devices built into the cases (124) and (125) are individually energized or synchronously energized depending on the desired effect.

Reflector used instead of known diaphragms, i.e. diaphragms with translucent colored plates (127) is preferably, but not necessarily, attached to the front end of the tubular section. There is no need to do so. .

A feeding or loading device (12B) protected by a bellows is attached to the tubular part. and is located near the camera objective lens.

As shown in detail in FIG. 11, this feeding device consists of an axially moveable case It has a fixed body (130) supporting (131). In this case There are three deformable lenses (132), (133), and (134) that do not move. It is installed like this.

When the case (131) is moved laterally through the body (130), these three The two lenses continuously change position in front of the objective lens. Positioning the lens For ease of reference, it is a good idea to provide a reference point.

Figures 12 and 13 show two other modified lenses. This lens is 1 circular It consists of a support part (140) and a small wide-angle objective lens (141). This wide angle The objective lens is arranged in the direction of the support axis in FIG. 12, while in FIG. , forming an angle with the axis.

Claims (12)

[Claims] (1) A camera accessory for creating special color or light effects, At least one that has a reflective finish or is colored semi-transparently. another tubular member and for attaching the member to the front of the objective lens of the photographic device; A camera accessory device comprising: (2) Located inside the tubular member and coaxial with the optical axis of the objective lens. It consists of a central opening and a deformed annular surface provided around the central opening. and at least one reversible special effect lens. The accessory device for the camera described in item (1) of the scope of the request. (3) at least one variable diaphragm attached to the inside of the tubular member; The camera accessory according to claim 1, further comprising: Place. (4) The outer diameter is equal to the diameter of the central aperture provided in the special effect lens, and a tubular portion of a translucent material mounted coaxially inside the aperture; A camera accessory device according to claim (2). (5) According to claim (4), the tubular member is colored. Ancillary equipment for the camera. (6) An end located inside the tubular member and opposite to the end near the objective lens of the camera. Equipped with a reflective member attached to the side of the The reflective member has a central aperture, and the reflective surface of the reflective member is aligned with the objective lens. For use in a camera according to claim (1), characterized in that the camera is oriented in the direction Attached equipment. (7) The special effect lens is inside the tubular member and near the objective lens of the camera. A reflective member is attached to the end of the tubular member, and a reflective member is attached to the end of the tubular member. attached to the end opposite the objective lens, and the two elements are each having a circular central opening coaxial with the tubular member. A camera accessory device according to claim (2) or (6). (8) at least one annular ring coaxial with the tubular member; The ring transmits light into the tubular member through an aperture in the peripheral wall of the member. at least one device adapted to emit Claim 1 (1), characterized in that the inside is in communication with the inside of the tubular member. ) Camera accessory equipment listed in item 2. (9) characterized by comprising a series of light emitting devices capable of emitting different colored light rays; A camera accessory device according to claim (8). (10) The light-emitting devices are regularly provided around the tubular member, and the light-emitting devices emit light. It is characterized by having a control device provided to sequentially energize the optical device. An accessory device for a camera according to claim (9). (11) The ff-shaped ring is formed integrally with the hollow handle, and the hollow handle is formed integrally with the hollow handle. The handle includes a power source used for the light emitting device and a control device to sequentially energize the device. Claim (8) or (10), characterized in that Camera accessories listed in section. (12) A supply device having various deformable lenses is provided, and the supply device is a photographic device. The movable lens allows continuous positioning of the deformable lens in front of the objective lens. Any one of claims (1) to (11) characterized in that Equipment for the camera described.