WO2004074925A1 - レンズアダプタ - Google Patents
レンズアダプタ Download PDFInfo
- Publication number
- WO2004074925A1 WO2004074925A1 PCT/JP2004/000777 JP2004000777W WO2004074925A1 WO 2004074925 A1 WO2004074925 A1 WO 2004074925A1 JP 2004000777 W JP2004000777 W JP 2004000777W WO 2004074925 A1 WO2004074925 A1 WO 2004074925A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- case
- lens
- wall
- lens barrel
- mounting
- Prior art date
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/565—Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Definitions
- the present invention relates to a lens adapter mounted on a retractable camera. Background technology
- digital still cameras and the like convert the magnification of a photographing lens to a wide-angle side or a telephoto side by attaching a conversion lens to a female screw provided at the tip of a lens barrel.
- a retractable camera in which the lens barrel moves between a protruding position where it projects forward of the case and a housing position where the lens barrel is housed inside the case, if the conversion lens is attached to the lens barrel, the conversion lens will not move. It is difficult to attach a compagion lens to the lens barrel because the weight exerts an excessive force on the lens barrel and the driving mechanism for driving the lens barrel.
- a projection is provided on the front surface of the case so as to cover the lens barrel, a thread is formed on the projection, and one end of a tubular adapter is connected to the thread, and A device configured to connect a compagion lens to the other end has been proposed (Japanese Patent Application Laid-Open No. 2000-235222).
- the camera case has to be provided with a dedicated member for attachment such as the protruding portion, thereby increasing the manufacturing cost of the camera.
- the degree of freedom in case design is limited, and the adapter and There is a drawback in that it is difficult to attach and detach the adapter to and from the camera because the adapter is attached by the unit.
- the present invention has been made in view of such circumstances, and an object of the present invention is to mount an optical component such as a filter or a conversion lens without providing a dedicated mounting member on a camera side, and to provide a case.
- An object of the present invention is to provide a lens adapter that can be easily attached and detached. '' Disclosure of the invention.
- the present invention provides a lens adapter attached to a collapsible camera in which a lens barrel moves between a protruding position protruding forward of a case and a housing position housed inside the case.
- a mounting part detachably mounted on the case; and a lens barrel receiving part provided on the mounting part and housing the lens barrel, wherein the lens barrel housing part has a cylindrical shape that covers the lens barrel.
- the opening is formed with a female screw for mounting an optical component such as a filter or a conversion lens.
- FIG. 1 is a perspective view illustrating attachment of a lens adapter to a digital camera.
- FIG. 2A is a perspective view of the digital camera with the lens adapter attached when viewed obliquely from the rear
- FIG. 2B is a perspective view with the opening / closing member opened.
- FIG. 3 is a perspective view of the lens adapter as viewed obliquely from the front.
- FIG. 4 is a perspective view of the lens adapter with the conversion lens attached when viewed from the front.
- FIG. 5 is a perspective view of a digital camera to which a lens adapter is attached.
- Fig. 6A is a front view of the lens adapter with the conversion lens attached
- Fig. 6B is a view of arrow B in Fig. 6A
- Fig. 6C is a view of arrow C in Fig. 6A. It is.
- FIG. 7A is a view of FIG. 6A as viewed from the direction of arrow D
- FIG. 7B is a view of FIG. 6A as viewed from the direction of arrow E
- FIG. 7C is a view of FIG. 7A as viewed from the direction of arrow F.
- FIG. 8 is a perspective view for explaining attachment of a lens adapter to a digital camera.
- FIG. 9 is a view on arrow A in FIG.
- FIG. 10 is a view on arrow B in FIG.
- FIG. 11A is a front view of the lens adapter
- FIG. 11B is a view taken in the direction of arrow B in FIG. 11A.
- FIG. 12A is a view of FIG. 11A as viewed from an arrow C
- FIG. 12B is a view of FIG. 11A as viewed from an arrow D.
- FIG. 13A is a view of FIG. 11A as viewed from an arrow E
- FIG. 13B is a view of FIG. 12B as viewed from an arrow F.
- FIG. 14 is a sectional view taken along the line X-X in FIG. 11B.
- FIG. 15 is a sectional view taken along line YY of FIG. 11A.
- Fig. 1 is a perspective view for explaining the attachment of the lens adapter to the digital camera.
- Fig. 2A is a perspective view of the digital camera with the lens adapter attached, viewed obliquely from the rear.
- Fig. 2B is the opening / closing member.
- 3 is a perspective view of the lens adapter as viewed obliquely from the front
- FIG. 4 is a perspective view of the lens adapter with the package lens attached from the front
- FIG. FIG. 2 is a perspective view of a digital camera to which a lens adapter is attached.
- Fig. 6A is a front view of the lens pad with the conversion lens attached
- Fig. 6B is a view of arrow B in Fig. 6A
- FIG. 6C is a view of arrow C in Fig. 6A.
- FIG. FIG. 7A is a view of FIG. 6A as seen from an arrow D
- FIG. 7B is a view of FIG. 6A as seen from an arrow E
- FIG. 7C is a view of FIG.
- a digital camera 100 (hereinafter referred to as a camera) to which a lens adapter is attached will be described with reference to FIG. 1 and FIG.
- the camera 100 records moving image data or still image data on a memory card as a recording medium, and has a case 10.
- the case 10 as a whole is formed in a horizontally long shape having upper and lower heights, front and rear thicknesses, and left and right lengths larger than these heights and thicknesses.
- the left and right sides of the case 10 refer to the case 10 as viewed from the rear.
- the upper surface, the lower surface, the front surface, the rear surface, and the right side surface of the case 10 are formed as substantially flat surfaces, the left side surface is formed as a semi-cylindrical surface, and the left sides of the front surface and the rear surface are formed in an arc shape.
- a lens barrel 12 is provided at a position on the front of the case 10 on the left side, and the lens barrel 12 has a protruding position protruding forward of the case 10 as shown in FIG. It is configured to move to and from the accommodation position accommodated in the other side.
- An annular protruding edge 13 protruding forward from the front surface of the case 10 is provided at a position surrounding the outer periphery of the lens barrel 12 on the front surface of the case 10.
- a photographing optical system 14 for forming a subject image is housed and held inside the lens barrel 12.
- An imaging device (not shown) that detects an object image formed by the imaging optical system 14 and generates an imaging signal is provided inside the case 10 on the optical axis of the imaging optical system 14. Have been.
- the photographing optical system 14 is configured as a zoom type capable of continuously changing the photographing magnification.
- a flash 16 for emitting auxiliary light is provided at the upper right part of the front of the case 10, and a shirt evening switch 18 for taking a picture is provided at a left part of the upper surface of the case 10.
- a power switch 19 is provided on the left side of the shutter switch '18.
- a finder lens 24 different from the photographing optical system 14 is provided substantially at the center of the upper part of the front surface of the case 10.
- a housing (not shown) for housing the battery and the memory card is provided on the right side of the case 10, and an opening / closing lid 20 for opening and closing the housing is provided on the right side surface.
- a display 22 composed of a liquid crystal device or the like for displaying image data or the like generated based on an image pickup signal detected by the image pickup device is provided at a position on the left side of the rear surface of the case 10.
- An eyepiece window 26 is provided substantially at the center of the upper portion of the rear surface of the case 10. The eyepiece window 26 is configured so that the subject image formed by the finder lens 24 can be visually recognized. That is, the finder lens 24 and the eyepiece window 26 constitute a finder device.
- a zoom operation switch 2 for changing the photographing magnification of the photographing optical system 14 between telephoto and wide-angle is provided at a position near the upper right of the rear surface of the case 10.
- a switch 30 for performing a switching operation such as a photographing mode and a reproduction mode is provided.
- An operation switch 32 including a cross switch and a determination switch for performing various settings is provided at a position below the switching switch 30 on the rear surface of the case 10.
- a plurality of indicators 34 for displaying the operation and mode of the camera 100 are provided on the left side of the operation switch 32.
- the lens adapter 40 is provided on a mounting portion 42 attached to and detached from the case 10 and on the mounting portion 42.
- a lens barrel accommodating section 48 for accommodating the lens barrel 12; the mounting section 42 and the lens barrel accommodating section 48 are both formed of rigid synthetic resin.
- the mounting portion 42 includes a first member 44 and a second member 46 that are swingably engaged and disengageably coupled to each other, and the first member 44 and the second member 4 are provided. 6 is configured to be mounted on the case 10 with the case 10 sandwiched in the front-rear direction of the case 10.
- the first member 44 includes a lower wall 4402 in contact with a substantially left half of the lower surface of the case 10 and a front wall of the lower wall 4402 which is raised from the front of the lower wall 4 A front wall 4 4 0 4 that contacts the location, an upper wall 4 4 6 that extends rearward from the top of the front wall 4 4 0 4 and contacts the left side of the upper surface of the case 10, and these lower walls 4 4
- the left side of the case 10 is connected to the left side of the front wall 4 4 0 4 and the upper wall 4 4 0 6.
- the rear end of the upper wall 4406 is provided with a concave engagement portion 4410.
- the second member 46 includes a rear wall 462 that contacts a substantially left half of the rear surface of the case 10, and a lower end of the rear wall 460 is connected to the first member via a hinge 47. 44 is connected to the rear end of the lower wall 4402, whereby the first member 44 and the second member 46 are swingably connected.
- the left portion of the rear wall 462 is formed in an arc shape corresponding to the arc shape of the left portion of the rear surface of the case 10.
- an upright wall 4604 is formed from the left edge to the upper edge of the rear wall 4602 so as to contact the left side of the upper surface of the case 10 and the left side of the case 10.
- An operation member 4606 is provided at a position of the upright wall 4604 located on the upper edge of the rear wall 4602 so as to be slidable in the left-right direction.
- the operating member 4606 is provided with an engaging portion 4608 comprising an engaging claw that engages with and disengages from the engaged portion 4410.
- the engaging portion 468 is biased in a direction in which the engaging portion 468 engages with the engaged portion 440.
- FIGS. 1 and 2A to 2B the first member 44 and the second member 46 are engaged with the case 10 sandwiched therebetween.
- the first and second members 44, 46 are connected by engaging the engaging portion 468 with the portion 440, whereby the mounting portion 42 is mounted on the case 10. It is configured to be.
- the display is provided on the rear wall 4602 facing the display 22.
- a display opening 4 6 10 for exposing 2 2 is provided.
- the eyepiece window 26 is exposed at the rear wall 46 02 facing the eyepiece window 26. 1 and 2 are provided.
- An opening / closing member 4614 is provided in the eyepiece window opening 4612 so as to be slidable in the left-right direction. As shown in FIG. 2A, the opening / closing member 4614 is slid to the left. The eyepiece window opening 4612 is closed by the sliding, and as shown in FIG. 2B, the opening / closing member 4614 is slid to the right to open the eyepiece window opening 4612. Is configured to be opened.
- the mounting portion 42 mounted on the case 10 the shutter switch 18, the power switch 19, the zoom operation switch 28, the switching switch 30, and the operation switch 32 are mounted on the mounting portion 4. It is located outside of 2 and is exposed to the outside.
- the lens barrel housing 48 is made of a material that blocks light when the lens adapter 40 is attached to the camera 100 in order to prevent unnecessary light from entering the imaging optical system 14. It is configured.
- the lens barrel housing section 48 is provided on a front wall 4404 of the first member 44.
- the lens barrel accommodating section 48 includes a cylindrical wall 50 covering the lens barrel 12, and a photographing optical system 14 provided at a front end of the cylindrical wall 50 and provided at a front end of the lens barrel 12.
- An opening 52 for exposing is provided.
- the cylindrical wall 50 has an inner diameter and a length covering the lens barrel 12 located at the protruding position.
- a metal ring 54 is embedded and fixed at the front end of the cylindrical wall 50, and a female screw 56 for attaching an optical component such as a filter or a conversion lens 60 is formed on the inner peripheral surface of the ring 54. ing. Therefore, in the present embodiment, an opening 52 for exposing the imaging optical system 14 at the front end of the lens barrel 12 is formed inside the inner peripheral surface of the ring 54.
- the first member 44 and the second member 46 are opened, and the first member 44 is closed.
- the lens barrel 12 is inserted inside the cylindrical wall 50, and the lower wall 4 4 of the first member 4 4 is inserted.
- left side wall 4 4 0 8, upper wall 4 4 0 6 while pushing the upper surface, left side surface and lower surface of the case 10 into contact with each other, and pushing the front wall 4 of the first member 4 4
- the front surface of the case 10 is brought into contact with 404.
- the first member 44 is mounted on the case 10.
- the second member 46 is swung in a direction approaching the first member 44, the rear wall 4602 is on the rear surface of the case 10, and the upright portion 4604 is in the case 10.
- the engaging portion 468 is brought into contact with the engaged portion 440 by contacting the left side of the upper surface of the case 10 and the left side surface of the case 10 respectively.
- the first member 44 and the second member 46 are connected to each other, and the mounting portion 42 holds the case 10 with the case 10 sandwiched between the first member 44 and the second member 46. Attached to.
- the upper wall 4406 and the lower wall 4402 of the mounting portion 42 are in contact with the upper and lower surfaces of the case 10, respectively, and the cylindrical wall 50 of the lens barrel housing 48 is provided.
- the vertical movement of the lens adapter 40 is restricted.
- the front wall 4640 and the rear wall 4602 of the mounting portion 42 come into contact with the front surface and the rear surface of the case 10, respectively, whereby the movement of the lens adapter 40 in the front-rear direction is restricted.
- the left side wall 4408 of the mounting portion 42 comes into contact with the left side surface of the case 10, and the base of the cylindrical wall 50 of the barrel housing portion 48 is formed by the convex edge of the case 10.
- the male screw at the base of the compensating lens 60 is connected to the female screw 5 of the lens barrel accommodating section 48 of the lens adapter 40. 6 and the conversion lens 60 is attached to the lens adapter 40 as shown in FIGS. 2A to 2B and FIG.
- the conversion lens 60 is located in front of the imaging optical system 14 of the camera 100, and an image is taken at an imaging magnification obtained by combining the imaging optical system 14 and the comparison lens 60. It becomes possible.
- the conversion lens 60 has a function of changing the photographing magnification of the photographing optical system 14 to the wide-angle side or the telephoto side. Therefore, when the conversion lens 60 is attached to the lens adapter 40, the object image visually recognized by the finder device and the actual The subject image picked up by the image pickup device through the Yon lens 60 and the photographic optical system 14 has different photographic magnification and angle of view.
- the eyepiece window opening 4612 may be closed with an opening / closing member 4614. This prevents photographing using the finder device.
- the male screw of the filter is screwed into the female screw 56 of the lens barrel accommodating part 48 of the lens adapter 40 attached to the case 10 so that the filter can be used as a lens. Attach to adapter 40.
- the filter is located in front of the photographing optical system 14 of the camera 100, and photographing can be performed using the filter.
- the lens adapter 40 When the lens adapter 40 is detached from the case 10, by operating the operation member 466 of the lens adapter 40, the engagement portion 468 and the engaged portion 4 are operated. While releasing the engagement of 410, the second member 46 is swung in a direction away from the first member 44, and the mounting portion 42 is pulled out to the front of the case 10. Thus, the lens adapter 40 is removed from the case 10.
- the optical components such as the filter and the conversion lens 60 are mounted on the camera 100. You can shoot.
- the lens adapter 40 can be attached to the case 10 in a state where the case 10 is sandwiched between the first member 44 and the second member 46 in the front-rear direction of the case 10, Since the lens adapter 40 can be attached to the case 10, the lens adapter 40 can be easily attached to and detached from the case 10.
- the lens barrel 12 When the lens adapter 40 is attached to the case 10, the lens barrel 12 is located inside the cylindrical wall 50 of the cylindrical housing part 48, so that the lens barrel 12 at the protruding position is located. Thus, it is possible to reliably prevent external force from being applied to the lens barrel, which is advantageous in protecting the lens barrel 12 and a drive mechanism for driving the lens barrel 12.
- the portion of the cylindrical wall 50 of the lens barrel housing 48 can be held by hand. Is advantageous.
- the opening / closing member 4614 which opens and closes the eyepiece window opening 4612 is provided, the photographing using the conversion lens 60 can be performed without using a finder device by mistake. This is advantageous in preventing In the present embodiment, the opening / closing member 4 6 14 is provided so as to open and close the opening 4 6 12 for the eyepiece window. However, the mounting portion 4 2 is provided at a position facing the viewfinder lens 2 4 The same effect can be obtained by providing an opening / closing member for opening / closing 24.
- FIG. 8 is a perspective view for explaining the attachment of the lens adapter to the digital camera
- FIG. 9 is a view as viewed in the direction of the arrow A in FIG. 8
- FIG. 10 is a view as viewed in the direction of the arrow B in FIG.
- FIG. 11A is a front view of the lens adapter
- FIG. 11B is a view taken in the direction of arrow B in FIG. 11A
- FIG. 12A is a view of FIG. 11A as viewed from the arrow C
- FIG. 12B is a view of FIG. 11A as viewed from the direction of arrow D
- Fig. 13A is a view of E in Fig. 11A
- FIG. 13B is a view as viewed in the direction of arrow F in FIG. 12B
- FIG. 14 is a sectional view taken along line XX of FIG. 11B
- FIG. 15 is a sectional view taken along line YY of FIG. 11A.
- the lens adapter 70 includes a mounting portion 72 removably mounted on the case 10 and the lens barrel provided on the mounting portion 72. And a lens barrel accommodating section 78 for accommodating 12. Both the mounting section 72 and the lens barrel accommodating section 78 are formed of rigid synthetic resin.
- the mounting portion 72 has a first member 74 and a second member 76 which are swingable and detachably connected to each other, and the lens barrel accommodating portion 78 covers the lens barrel 12.
- the first member 74 is erected from a lower wall 7402 in contact with a portion of the lower half of the lower surface of the case 10 near the lens barrel 12 and a front portion of the lower wall 7402. —The front wall 7404 in contact with the left part of the front half of the lens 10 near the lens barrel 12, and the rear wall extends from the top of the front wall 7404 to the top of the case 10.
- the upper wall 7400 in contact with the lens barrel 12 in the left half of the upper wall, the lower wall 7400, the front wall 7404, and the left side of the upper wall 7400 are connected.
- the left portion of the front wall 7404 is formed in an arc shape corresponding to the arc shape of the left portion of the front surface of the case 10, and the left portion of the rear wall 7410 is formed on the rear surface of the case 10.
- An engagement groove 7412 is provided at a position near the front of the lower surface of the lower wall 7402, as shown in FIG.
- a mounting seat 7 4 13 is formed to bulge at a position near the front of the lower surface of the lower wall 7402 at a position behind the engaging groove 7 4 12, and the mounting seat 7 4 13
- a rectangular plate-shaped metal plate 7414 is attached with screws, and the metal plate 7414 is provided with a tripod mounting female screw 7416.
- the tripod mounting female screw 7 416 is provided at a lower wall 7402 portion facing the bottom surface of the case 10.
- a female screw (not shown) for attaching a tripod is provided on the lower wall of the case 10, and the lower case 7402 is aligned with the lower wall of the case 10.
- the lower wall 7402 facing the tripod mounting female screw is provided with a screw through hole 7418.
- a mounting screw 7421 is held and provided by a support piece 7422 for preventing falling off.
- the front wall 7404, the rear wall 7410, the upper wall 7406, and the lower wall 7402 of the first member 74 are connected to the front, rear, upper, and lower surfaces of the case 10.
- a display opening 7420 for exposing the display 22 is provided at the position of the rear wall 7410 facing the display 22 in a state where the display 22 is in contact with the display 22, a display opening 7420 for exposing the display 22 is provided.
- the portion of the rear wall 7410 facing 6 is formed in a shape that exposes the eyepiece window 26 described above.
- a first cylindrical wall 8OA is projected from the front wall 7404, and an annular wall 8006 is provided at a front end of the first cylindrical wall 80A.
- the first cylindrical wall 8OA constitutes a part of the cylindrical wall portion 80, and the first cylindrical wall 8OA and the annular wall 8006 are formed of a material that blocks light. Have been. More specifically, the first cylindrical wall 8OA is formed with an inner diameter and a length covering the lens barrel 12 located at the protruding position, and is formed from the left half of the outer peripheral surface of the lens barrel 12 to the right. It is formed in a semi-cylindrical shape so as to cover a part of the half, and the right side of the first cylindrical wall 80A is open. '
- a thin portion 8002 having a small thickness is formed on the upper left edge of the first cylindrical wall 8OA.
- a thin portion 8004 having the same thickness as the thin portion 8002 is formed on the left edge of the lower portion.
- a metal ring 84 is embedded and fixed in the inner periphery of the annular wall 800 6, and a female screw 8 6 for attaching an optical component such as a filter or a compensating lens 60 is formed on the inner periphery of the ring 84. Is formed. Therefore, in the present embodiment, an opening 82 that exposes the photographing optical system 14 at the front end of the lens barrel 12 is formed inside the inner peripheral surface of the ring 84.
- the circular wall portion near the right half of the annular wall 8006 is formed by a thin portion 8008 having a small thickness.
- the second member 76 is located at a position on the right half of the front surface of the case 10 near the lens barrel 12 other than the position where the front wall 7404 of the first member 74 contacts. And a second cylindrical wall 80B protruding from the front wall 7602.
- the upper end of the front wall 762 is connected to the front end of the upper wall 7406 of the first member 74 via a hinge 77, whereby the first member 7 4 and the second member 76 are swingably connected.
- the front wall 7404, the rear wall 7410, the upper wall 7406, and the lower wall 7402 of the first member 74 are connected to the front, rear, upper, and lower surfaces of the case 10. While the second member 76 is swung to bring the front wall 762 of the second member 76 into contact with the front surface of the case 10.
- An L-shaped operation piece 760 8 is provided at the lower end of the front wall 760 2 so as to face 1 2, and this operation piece 760 8 is engaged with the engagement groove 7 4 1 2
- Engagement claws 7610 are provided.
- the first and second members 74 and 76 are connected by engaging the engagement claws 7610 with the engagement grooves 7412, whereby the mounting portion 72 is attached to the case 1 It is configured to be attached to 0.
- the engagement claw 760 is disengaged from the engagement groove 714. .
- a lower wall 7400 of the first member 74 is provided at a lower end of the front wall 7602.
- An upstanding piece 7604 is provided to extend rearward so as to face the screw hole 7418.
- the shirt evening switch 18, the power switch 19, the zoom operation switch 28, the switching switch 30, and the operation switch 32 is located outside the mounting portion 72 and is exposed to the outside.
- the second cylindrical wall 80B constitutes the remaining portion of the cylindrical wall 80, and a thin portion extending in an arc shape is provided at the front end of the second cylindrical wall 80B. 8001 is formed, and the second cylindrical wall 80B and the thin portion 800 are formed of a material that blocks light.
- the second cylindrical wall 80 B is formed with an inner diameter and a length covering the lens barrel 12 located at the protruding position, and is formed on the right half of the outer peripheral surface of the lens barrel 12. It is formed in a semi-cylindrical shape so as to cover a part thereof, and the left side of the second cylindrical wall 80B is open.
- a thin portion 80010 having a small thickness is formed on the upper left edge of the second cylindrical wall 80B.
- a thin portion 80012 having a thickness similar to that of the thin portion 800 is formed on the left edge.
- the first member 74 and the second member 76 are opened, and the first member 74
- the left side wall 7408 is made to face the left side surface of the case 10, and the lens barrel 12 faces the inside of the first cylindrical wall portion 8 OA, and the lower side of the first member 74 is
- the lower surface, front surface, upper surface, and rear surface of the case L0 are brought into contact with each of the wall 7402, the front wall 7404, the upper wall 7406, and the rear wall 7410.
- the left side surface of the case 10 is brought into contact with the left side wall 7408 of the first member 74.
- the mounting screw 7424 is screwed into the tripod mounting female screw of the case 10 through the screw hole 7418, whereby the first member 74 is connected to the case 10. Fixed to.
- the second member 76 is swung in a direction approaching the first member 74 to bring the front wall 7602 into contact with the front surface of the case 10.
- the upstanding piece 7604 faces the lower wall 7402, and as shown in FIGS. 13A and 13B, the The aesthetics are enhanced by covering the head of the 7421 and hiding the head of the screw 7421.
- the engaging claws 7610 are engaged with the engaging grooves 7412, whereby the first member 74 and the second member 76 are connected, so that the mounting portion 72 is formed. It is mounted on the case 10.
- the upper wall 7406 and the lower wall 7402 of the mounting section 72 come into contact with the upper and lower surfaces of the case 10, respectively, and the cylindrical wall section 80 of the lens barrel housing section 78
- the lens adapter is The vertical movement in the evening is restricted.
- the front wall 7404, 7602 and the rear wall 7410 of the mounting portion 72 contact the front surface and the rear surface of the case 10, respectively, so that the front and rear surfaces of the lens adapter 70 can be moved forward and backward. Movement is regulated.
- the left side wall 7408 of the mounting portion 72 contacts the left side surface of the case 10 and the base of the cylindrical wall portion 80 of the lens barrel housing portion 78 has a convex edge of the case 10.
- the cylindrical wall portion 80 is formed by the first cylindrical wall 8OA and the second cylindrical wall 80B. At this time, as shown in FIGS. 14 and 15, the thin portion 8002 of the first cylindrical wall 8OA becomes the thin portion 80010 of the second cylindrical wall 80B.
- the thin portion 8001 of the first cylindrical wall 8OA is overlapped with the thin portion 8001 of the second cylindrical wall 80B, and the thin portion of the first cylindrical wall 80A is overlapped.
- the joint between the first cylindrical wall 8OA and the second cylindrical wall 80B is formed.
- the mating surface is reliably shielded from light.
- the thin portions 800, 2, 800, 800, 800 are provided, the thin portions 800, 800 are superimposed, and The inner and outer peripheries of the cylindrical wall portion 80 become inner and outer peripheral surfaces having a uniform diameter, despite the thin portions 8004 and 80012 being overlapped, and the thin portion 800 Since there are provided 804, the annular wall at the front end of the cylindrical wall portion 80 also has a uniform annular surface with no step, which is aesthetically advantageous.
- the male screw at the base of the conversion lens 60 is connected to the female screw of the lens barrel accommodating part 78 of the lens adapter 70. 8 Screw it into 6 and attach the Comparator lens 60 to the lens adapter 40.
- the comparison lens 60 is positioned in front of the imaging optical system 14 of the camera 100, and the imaging magnification is obtained by combining the imaging optical system 14 and the comparison lens 60. You can shoot.
- the male screw of the filter is screwed into the female screw 86 of the lens barrel accommodating part 78 of the lens adapter 70 attached to the case 10 so that the filter is turned into a lens. Attach to adapter 70.
- the filter is located in front of the photographing optical system 14 of the camera 100, and photographing can be performed using the filter.
- the lens adapter 70 When the lens adapter 70 is detached from the case 10, by operating the operation piece 760 of the lens adapter 70, the engaging claw 7 6 10 and the engaging groove 7 4 1 While releasing the engagement of 2, the second member 76 is swung in a direction away from the first member 74, and the mounting portion 72 is pulled out to the left of the case 10. Thereby, the lens adapter 70 is removed from the case 10.
- the lens adapter 70 can be mounted to the case 10 so that the lens The adapter 70 can be easily attached to and detached from the case 10.
- the lens adapter 70 can reliably prevent external force from being applied to the lens barrel 12 at the protruding position, thereby protecting the lens barrel 12 and a driving mechanism for driving the lens barrel 12. Is advantageous. Further, the cylindrical wall 50 of the lens barrel housing 78 can be held by hand, which is advantageous in preventing camera shake during photographing.
- the lens adapter 70 is provided with a tripod mounting female screw 7 4 16, the tripod mounting female screw of the case 10 cannot be used when the lens adapter 70 is mounted on the case 10. Can also be photographed using a tripod.
- the lens adapter 70 is securely attached to the case 10. It is advantageous for securely supporting the camera 100 by a tripod.
- an eyepiece window opening is provided at a position where the mounting portion 72 faces the eyepiece window 26, and the eyepiece window opening is opened and closed.
- An opening / closing member may be provided, and this is also advantageous in preventing a photographing error when performing photographing using the comparison lens 60. Further, the same effect can be obtained by providing an opening / closing member for opening and closing the finder lens 24 at a position where the mounting portion 72 of the lens adapter 70 faces the finder lens 24.
- a screw hole is provided in the mounting portion 42, and the mounting screw is connected to the case 10 through the screw insertion hole. It is optional that the mounting portion 42 is fixed to the case 10 by being screwed to the tripod mounting female screw.
- the camera to which the lens adapter is attached has been described as a digital camera, but the present invention is not limited to this.
- the camera is attached to various cameras such as a video camera and a film camera. It can be applied to a lens adapter.
- Adapters can be provided.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Accessories Of Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047016334A KR101063812B1 (ko) | 2003-02-20 | 2004-01-28 | 렌즈 어댑터 |
US10/509,690 US7489359B2 (en) | 2003-02-20 | 2004-01-28 | Lens adapter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-043071 | 2003-02-20 | ||
JP2003043071A JP3951299B2 (ja) | 2003-02-20 | 2003-02-20 | レンズアダプタ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004074925A1 true WO2004074925A1 (ja) | 2004-09-02 |
Family
ID=32905386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/000777 WO2004074925A1 (ja) | 2003-02-20 | 2004-01-28 | レンズアダプタ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7489359B2 (ja) |
JP (1) | JP3951299B2 (ja) |
KR (1) | KR101063812B1 (ja) |
CN (1) | CN100430822C (ja) |
TW (1) | TWI234683B (ja) |
WO (1) | WO2004074925A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100385281C (zh) * | 2005-04-20 | 2008-04-30 | 富士能株式会社 | 透镜镜筒 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7636203B2 (en) * | 2005-04-20 | 2009-12-22 | Fujinon Corporation | Lens barrel |
JP4254790B2 (ja) | 2006-02-20 | 2009-04-15 | ソニー株式会社 | アダプタレンズ |
CN100423689C (zh) * | 2006-11-24 | 2008-10-08 | 北京超思电子技术有限责任公司 | 一种便携式心电测量仪 |
US8678676B2 (en) * | 2010-09-17 | 2014-03-25 | Erwin Scholz | Tilt shift lens adapter |
US8279544B1 (en) | 2011-03-18 | 2012-10-02 | Premier Systems USA, Inc | Selectively attachable and removable lenses for communication devices |
US8536012B2 (en) | 2011-07-06 | 2013-09-17 | International Business Machines Corporation | Bipolar junction transistors with a link region connecting the intrinsic and extrinsic bases |
JP5418551B2 (ja) | 2011-07-22 | 2014-02-19 | 株式会社ニコン | アダプター及びカメラシステム |
US9093491B2 (en) | 2012-12-05 | 2015-07-28 | International Business Machines Corporation | Bipolar junction transistors with reduced base-collector junction capacitance |
US8956945B2 (en) | 2013-02-04 | 2015-02-17 | International Business Machines Corporation | Trench isolation for bipolar junction transistors in BiCMOS technology |
US9661200B2 (en) | 2013-08-07 | 2017-05-23 | Olloclip, Llc | Auxiliary optical components for mobile devices |
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- 2003-02-20 JP JP2003043071A patent/JP3951299B2/ja not_active Expired - Fee Related
-
2004
- 2004-01-28 US US10/509,690 patent/US7489359B2/en not_active Expired - Fee Related
- 2004-01-28 CN CNB2004800002571A patent/CN100430822C/zh not_active Expired - Fee Related
- 2004-01-28 KR KR1020047016334A patent/KR101063812B1/ko not_active IP Right Cessation
- 2004-01-28 WO PCT/JP2004/000777 patent/WO2004074925A1/ja active Application Filing
- 2004-02-16 TW TW093103663A patent/TWI234683B/zh not_active IP Right Cessation
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CN100385281C (zh) * | 2005-04-20 | 2008-04-30 | 富士能株式会社 | 透镜镜筒 |
Also Published As
Publication number | Publication date |
---|---|
KR101063812B1 (ko) | 2011-09-08 |
TWI234683B (en) | 2005-06-21 |
KR20050105927A (ko) | 2005-11-08 |
CN100430822C (zh) | 2008-11-05 |
US20050163494A1 (en) | 2005-07-28 |
CN1698006A (zh) | 2005-11-16 |
US7489359B2 (en) | 2009-02-10 |
JP3951299B2 (ja) | 2007-08-01 |
TW200500774A (en) | 2005-01-01 |
JP2004264367A (ja) | 2004-09-24 |
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