TWI618960B - Lens support - Google Patents

Abstract

A lens support frame is obtained by: a periphery of an adapter ring along a front end of a camera lens along a spin lock is a first receiving area that allows a side of the support frame to be recessed toward the inner side, and is located on the other side of the first receiving area The lower periphery is placed with a resilient first clamping member, and cooperates with a screwing element to advance and retreat and maintain the top elastic state; and the opposite side of the first receiving area is a width along the upper and lower portions. An area is recessed between the flat surfaces, and a recess on the upper flat surface of the area allows the second clamping member to be inserted and coupled with a screwing member to keep moving forward and backward; together with the support frame concave One side of the area is abutting against a receiving member that holds the upper and lower flat surfaces and has a concave area on the inner side; the grading sheet or the color filter lens can be coupled to the camera after being introduced along the gap connecting the outside Maintain a good tightness between the lenses, avoid partial light transmission, and allow the captured photos to have the desired situation.

Description

Lens support

The present invention relates to a lens support frame, which mainly supports a filter holder that is coupled to a front end of a camera lens and can be preferably placed between a predetermined lens (such as a gradation film or a color filter lens) and the camera lens. The close-up state does not cause partial light transmission, so that the photograph taken is expected to be applied in the context.

Press, the current camera will take the expected scenes (such as: the feeling of gradually rendering, or the atmosphere of the season, or the color of the shooting time...) when taking pictures. A filter holder is attached to the front of the camera lens to insert the desired grading film or filter lens in a timely manner so that the captured photo fits the desired feeling.

The filter bracket (such as the accessory 1) combined in front of the camera lens is basically composed of an adapter ring and a filter bracket, wherein the adapter ring is rotatably locked at the front end of the camera lens. [As shown in the upper left diagram of Attachment 2], push the groove on the inward side of the filter bracket along the periphery of the adapter ring (as shown in the upper right figure of Attachment 2) and push it to the limit to limit the orientation. Inserting the desired grading sheet or filter lens between a groove recessed in the outward side of the filter holder (as shown at the lower end of the attachment 2), that is, the filter bracket described above The concave groove on the outer side has at least two or more passes, and at least one of the grading sheets or the color filter lens which the user can select can be placed in the aforementioned groove (such as the attachment 3), so that the photograph taken can be achieved. Expected situation.

The above-mentioned filter holder combined with the front end of the camera lens can achieve the desired insertion of at least one layer or color filter lens, but the filter holder is spaced between the recessed groove and the groove. The large spacing causes the placed grading or color filter to form a partial light transmission with the camera lens, and it is impossible to completely change the external light.

The present inventors have hereby improved the problems associated with the use of the filter holder that can be incorporated in the front end of the camera lens when photographing the same type, so that the filter holder is placed in the preset. Lenses (eg, grading or filter lenses) maintain a good fit between the camera lens and the camera lens, so that the captured image is expected to be used in the desired situation.

The invention adopts the filter bracket combined with the front end of the camera lens as a selected gradation film or a filter lens to obtain a better close shape with the lens, which is adopted by: The periphery of the adapter ring at the front end of the lens is a first receiving area that allows the inwardly recessed side of the supporting frame, and the lower side of the other side of the first receiving area allows the insertion of a resilient first clamping member. And cooperate with a screwing element to anticipate the advance and retreat and maintain the upper elastic state; and on the opposite side of the first receiving area, an area is recessed between the wide flat surfaces of the upper and lower parts to allow selection. The grading sheet or the color filter lens can be introduced along the notch introduction area communicating with the outside, and recessing a recess in the upper flat surface of the area allows the second clamping member to be inserted and connected with a screwing member to maintain The movement advances and retreats; and the side of the recessed area of the support frame cooperates with a receiving member that maintains the upper and lower flat surfaces on the inner side and has a concave area; the tapered layer or the color filter lens can be pushed after being pushed in. Maintain a good close contact with the camera lens to avoid partial penetration Case, and the photographs have won out of the expected situation.

The main object of the present invention is to provide a positional incision for the filter holder attached to the front end of the camera lens with a twist lock on the adapter ring around the camera lens to allow pre-selected gradation or filter lens placement. , wherein the introduction of the gradation sheet or the filter lens along the preset periphery of the filter holder can obtain a better and closer relationship with the lens, including: the periphery of the adapter ring that is twisted on one side of the camera lens is allowed to cut into one a first receiving area recessed toward the inner side of the support frame, and a predetermined periphery along the first receiving area extends at least one clamping portion, and the clamping portion must maintain a predetermined gap with the adjacent layer to facilitate The cutting of the adapter ring is recessed into a space on the lower side of the other side of the first receiving area to allow the insertion of a first clamping member, and the downward facing sides of the first clamping member are recessed The recess is inserted into the spring and is engaged with a screwing element at a predetermined portion, so that the first clamping member maintains a constant elastic upper top state; and the back of the supporting frame is recessed into the first receiving area. An area is recessed along the upper and lower preset wide flat surfaces to allow presets The grading sheet or the color filter lens is introduced along a gap that communicates with the outside on either side, and a predetermined portion is recessed in a periphery of the upper flat surface adjacent to the recessed area to allow a second holding member to be placed, And a screwing element is used for azimuth connection, so that the second clamping member can move forward and backward in the corresponding area; on the side corresponding to the concave area, it is in a conforming form and the inward side is maintained along the upper and lower preset width. The receiving member having the flat surface abuts and is oriented, and an area is also maintained at the inward layer of the receiving member to be introduced as a gap of the aforementioned grading sheet or the color filter lens which can communicate with the outside; After being pushed into the area formed by the support frame and the receiving member, the grading sheet or the filter lens can be adjusted by the second clamping member to maintain a good close contact with the camera lens to avoid partial light transmission. The situation, and the photographs taken have the expected situation.

A second object of the present invention is that the side of the camera lens that is screwed into the support ring and the corresponding recessed portion of the adapter is allowed to be individually combined with EVA to facilitate selection. The ply or filter lens is scratched when introduced into the contact area where it is exposed and from the surface.

A third object of the present invention is to lock the side of the camera lens to the side of the upper and lower sections of the support frame that is cut into the concave portion of the support frame to allow the flexible ring to be introduced into the aforementioned concave portion. Corresponding rod segments maintain a proper resistance to the upper and lower perimeters of the push-in grading sheet or filter lens.

A fourth object of the present invention is to rotate the at least one pole of the support member in the concave portion of the support frame into which the adapter lens is cut into one side of the camera lens to introduce the corresponding portion of the support frame. The recess is temporarily positioned as the aforementioned receiving member and the support frame before being subjected to the orientation restriction.

A fifth object of the present invention is to lock the support frame that is cut into the adapter lens on one side of the camera lens and the correspondingly coupled support members from each other by means of a plurality of screwing elements as a through-lock.

A sixth object of the present invention is to rotat the side of the support lens into the recessed area of the support frame that is cut into the side of the camera lens, and the corresponding joint member is flanged on the outer side to form at least one The unit of the support frame and the receiving member can allow at least one clamping portion and the first clamping member extending from the inwardly-facing side of the predetermined circumference to form an orientation restriction on the corresponding flange of the receiving member, as at least one selected gradation sheet or The filter lens is placed.

A seventh object of the present invention is to lock a support frame in which the adapter lens is cut in a side of the camera lens, and a predetermined range in which the area is recessed along the upper and lower preset wide flat faces on the back of the first receiving area. At least one protrusion is allowed to protrude to make a suitable pressing force against the corresponding layer of the push-in gradation sheet or the color filter lens.

〔this invention〕

10‧‧‧ lens

101‧‧‧Threaded section

20‧‧‧Layer or filter lens

1‧‧‧Adapter ring

11‧‧‧ External thread section

2‧‧‧Support frame

21‧‧‧First accommodation area

22‧‧‧Clamping Department

221‧‧‧ gap

23‧‧‧ Space

24‧‧‧First clamping part

241, 252, 253, 255 ‧ ‧ recess

242‧‧ ‧ spring

243, 261, 34‧‧‧ Threaded components

25, 31‧‧ ‧ flat surface

251, 32‧‧‧ areas

254, 33‧‧‧ segments

26‧‧‧Second grip

27‧‧‧ ring

28‧‧‧ gap

3‧‧‧Receiving parts

35‧‧‧Flange

4‧‧‧EVA

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a member related to a lens holder of the present invention.

Fig. 2 is an exploded perspective view showing another direction of the member related to the lens holder of the present invention.

Figure 3 is a rear elevational view of the associated components of the lens support frame of the present invention.

Fig. 4 is a cross-sectional view of the A-A portion of Fig. 3.

Figure 5 is a schematic view of the lens holder related member and lens of the present invention before being assembled.

Fig. 6 is a schematic view showing the other direction of the lens holder related member and the lens before the assembly of the present invention.

Fig. 7 is a side view showing the assembly of the lens holder related member and the lens of the present invention.

Fig. 7 is a magnified detailed view of the B portion of Fig. 7.

Figure 8 is a partial cross section of the lens holder related member and the lens of the present invention.

Fig. 8 is an enlarged detail view of the C portion of Fig. 8.

Fig. 8 is a detailed view of the D portion of Fig. 8 enlarged.

Figure 3 is a partial cross-sectional view of the side of the support frame that is not received into the adapter ring.

Figure 9 is an illustration of the lens holder of the present invention and the lens assembly being assembled to allow lens insertion.

Figure 10 is a schematic illustration of the orientation of the lens holder and the lens complete assembly of the present invention.

Fig. 10 is a magnified detailed view of the E portion of Fig. 10.

Figure 11 is a rear elevational view of the lens holder and lens of the present invention assembled into the lens.

Fig. 12 is a cross-sectional view of the F-F portion of Fig. 11.

Fig. 12 is a magnified detailed view of the G portion of Fig. 12.

Figure 13 is a schematic illustration of the present invention in conjunction with a lens holder for at least one or more lens mounts.

Attachment 1: Drawings of conventional filter holders and related components.

Attachment 2: The conventional filter bracket and related components are assembled.

Attachment 3: The conventional filter bracket and related components complete the assembled drawing.

The lens support frame designed by the present invention (such as Figures 1, 5, and 6) mainly uses a filter bracket coupled to the front end of the camera lens 10 to be coupled with a ring lock on the adapter ring 1 around the camera lens 10. Azimuth cut-in (the adapter ring 1 here is an externally threaded section 11 extending from the periphery of one side for locking the internal thread segment 101 corresponding to the lens 10) to allow pre-selected grading or color filter lenses 20 Insertion, wherein the introduction of the gradation sheet or the filter lens 20 along the preset periphery of the filter holder can achieve a better and closer relationship with the lens 10, including: an adapter ring that is twisted on the side of the camera lens 10 1 is a first receiving area 21 that allows the cutting into a support frame 2 to be recessed toward the inner side, and a predetermined periphery along the first receiving area 21 extends at least one clamping portion 22, and the clamping portion 22 must The adjacent layer maintains a predetermined gap 221 (as shown in FIG. 7) to facilitate the cutting of the adapter ring 1. The lower side of the other side of the first receiving area 21 is recessed into a space 23 to allow a first The clamping member 24 is placed (as in Figures 1 and 2), and the downwardly facing sides of the first clamping member 24 are recessed recesses 241 for the spring 242 to be placed, In the preset portion, the introduction of a screwing member 243 (such as 1 in FIG. 7) is performed, so that the first holding member 24 is maintained in a constant elastic upper top state (such as FIG. 3 and FIG. 3). .

In addition, the back of the support frame 2 recessed into the first receiving area 21 is recessed along the upper and lower preset wide flat surfaces 25 (as shown in FIG. 2) to allow the preset gradation or color filter lens 20 A notch 28 communicating with the outside along either side is introduced (as shown in FIG. 9), and a predetermined portion around the upper flat surface 25 adjacent to the concave portion 251 is recessed into a recess 252. Allowing a second clamping member 26 to be inserted and engaged with a screwing member 261 for abutting engagement, so that the second clamping member 26 can move forward and backward in the corresponding region 251; on the side corresponding to the recessed region 251 is A matching form and on the inner side maintains the receiving member 3 along the upper and lower predetermined width flat faces 31 abutting, and azimuth limitation (such as Figures 1 and 4), at the inward layer of the receiving member 3 A region 32 is also maintained to be introduced as a gap 28 in which the aforementioned grading sheet or color filter lens 20 can communicate with the outside (as in Fig. 9).

Continuing the foregoing, the region 251, 32 of the support frame 2 and the receiving member 3 which are cut into the adapter lens 1 by the side of the camera lens 10 is allowed to be individually combined with the preset form of EVA (Ethylene-Vinyl Acetate Copolyme Ethylene). - vinyl acetate copolymer) 4, in order to facilitate the selection of the grading sheet or the color filter lens 20 in the introduction of the contact portion can be moderately abutted and to avoid scratches on the surface (such as Figures 9, 10); 10 side twist lock The adapter frame 2 cut into the support frame 2 adjacent to the upper and lower sections of the wide flat surface 25 is a concave pitch recess 253 [as shown in Fig. 2) to allow the flexible ring 27 to introduce the aforementioned spacing The corresponding section 254 of the recess 253 (as in Figures 4 and 8) maintains a suitable offset grip on the upper and lower perimeters of the push-in progressive layer or filter lens 20.

The socket 3 of the support frame 2, which is cut into the recessed area 251 of the support frame 2, which is cut into the side of the camera lens 10, is extended in at least one rod segment 33 (as shown in FIG. 1) to introduce a concave portion 255 of the corresponding portion of the support frame 2 (as shown in FIG. 2), as the temporary positioning of the receiving member 3 and the support frame 2 before being restricted by the orientation; and the side of the camera lens 10 is locked by the adapter ring 1 The orientation of the support frame 2 and the correspondingly coupled sockets 3 is limited to each other by means of a plurality of threaded elements 34 as a through-lock.

Rotating the support frame cut by the adapter ring 1 along the side of the camera lens 10 2, the recessed area 251 correspondingly joined the receiving member 3 on the outer side is turned over to form the flange 35 (as shown in Figures 2 and 4), as a unit that is required to add at least one support frame 2 and the receiving member 3 The at least one clamping portion 22 and the first clamping member 24 extending from the predetermined inner side of the inner side can form an orientation restriction on the corresponding flange 35 of the receiving member 3 (as shown in FIG. 13) as at least one selected grading sheet. Or the color filter lens 20 is placed.

The support frame 2 cut into the adapter lens 1 on the side of the camera lens 10 is placed on the back of the first receiving area 21 facing away from the back of the first predetermined wide flat surface 25 to define a predetermined range of the area 251. It is allowed to protrude at least one protrusion (the protrusion here is not shown in the drawing, and the protrusion is a substitute for the aforementioned preset form EVA (Ethylene-Vinyl Acetate Copolyme Copolymer) 4], The corresponding portion of the grading sheet or the color filter lens 20 pushed in is suitable for the pressing force.

By using the unit of the support frame 2 and the receiving member 3 disposed on the side of the camera lens 10 as described above (as shown in Figs. 8 and 9), the gradient layer or the color filter lens 20 can be selectively pushed into the support frame 2 After the regions 251 and 32 formed by the receiving member 3 can be adjusted by the second clamping member 26 (such as FIG. 10 and FIG. 10), the front and back sides of the laminated or color filter lens 20 are Contact with EVA (Ethylene-Vinyl Acetate Copolyme Ethylene Vinyl Acetate Copolymer) 4 combined in the corresponding regions 251, 32 (as shown in Figures 11, 12), with moderate resistance and scratches on the surface layer [such as 12), while the upper and lower perimeters are resistively clamped by the flexible ring 27 which is introduced by the recess 253 at the level of the flat surface 25 (Fig. 8, Fig. 1, Fig. 2, 2) 9], and maintain a good close contact with the camera lens 10, to avoid partial light transmission, and to make the captured photos have the expected situation.

The support frame applied to one side of the camera lens in the present case has the following advantages in the selection of a progressive layer or a color filter lens:

1. One side of the support frame can be kept horizontal to facilitate the introduction or withdrawal of the selected grading sheet or filter lens, and the support frame is annularly combined with the adjacent adapter ring, so that the support frame has any The angular adjustment of the rotation and the timely azimuth limitation enhances the transformation of the support frame that allows the grading or filter lens to be pushed in more selective selection using a more maneuverable preset angle switch and a direction that facilitates pushing.

2. The combination of the support frame and the receiving member on one side of the camera lens is added to the unit of the at least one support frame and the receiving member, so that the preset angle between the adjacent support frame unit and the unit can be adjusted to be required. Morphology, in order to introduce the gradient layer or filter lens to achieve the desired gradient light transmission or requirements, so as to capture a variety of mixed light photo effects.

Claims (7)

A lens support frame is a pair of filter holders coupled to a front end of a camera lens that can be engaged with an adapter ring around the camera lens to allow pre-selected grading or color filter lenses to be placed. The introduction of a gradation sheet or a filter lens along the preset perimeter of the filter holder enables closer contact with the lens: the periphery of the adapter ring that is twisted on one side of the camera lens allows for a support frame to be cut into a first receiving area recessed toward the inner side, and a predetermined periphery along the first receiving area extending at least one clamping portion, and the clamping portion must maintain a predetermined gap with the adjacent layer to facilitate the aforementioned turning The cutting of the ring is recessed into a space on the lower side of the other side of the first receiving area to allow the insertion of a first holding member, and the downward facing sides of the first holding member are concave recesses The spring is inserted and fitted with a screwing element at a predetermined position, so that the first clamping member is kept in a constant elastic upper top state; and the back of the supporting frame recessed into the first receiving area is along The upper and lower preset wide flat surfaces are recessed to allow an initial fade The sheet or the color filter lens is introduced along a notch communicating with the outside on either side, and a predetermined portion around the upper flat surface adjacent to the concave portion is recessed into a recess to allow a second clamping member to be placed and matched a screwing element is coupled to the orientation so that the second clamping member can move forward and backward in the corresponding area; the corresponding side with the concave area is in a conforming form and the inward side is maintained along the upper and lower preset width. The receiving members of the flat surface are abutted and oriented, and an area is also maintained at the inward layer of the receiving member to be introduced as a gap of the aforementioned grading sheet or filter lens which can communicate with the outside; After the sheet or the color filter lens is pushed into the area formed by the support frame and the receiving member, the second clamping member can be used to adjust the orientation to maintain an exact relationship with the camera lens. The degree of adhesion avoids partial light transmission and gives the photographs the desired shades of light. The lens support frame according to claim 1, wherein the camera lens side is locked on the side of the support ring and the corresponding recessed area of the support member is allowed to be combined with the preset form of EVA (Ethylene- Vinyl Acetate Copolyme Ethylene-Vinyl Acetate Copolymer, in order to facilitate the selection of the grading sheet or filter lens to achieve a moderate resistance to the contact area and to avoid scratches on the surface. The lens support frame according to claim 1, wherein the camera lens side locks the support ring cut into the support frame and the wide flat surface adjacent to the upper and lower sections is a concave pitch concave portion to allow flexibility The loops are introduced into the corresponding segments of the aforementioned pitch recesses to maintain a suitable offset grip on the upper and lower perimeters of the push-in grading sheet or filter lens. The lens support frame according to claim 1, wherein the camera lens side locks the transfer ring into the recessed area of the support frame, and the corresponding joint receiving member is extended by at least one rod segment in a preset range. The recess is introduced into the corresponding portion of the support frame as a temporary positioning of the receiving member and the support frame before being restricted by the orientation. The lens support frame according to claim 1, wherein the camera lens is screwed on one side of the adapter ring, and the support frame and the corresponding joint receiving member are mutually restricted in orientation by a plurality of screwing elements. . The lens support frame according to claim 1, wherein the camera lens side is locked on the side of the support frame, and the correspondingly received receiving member is outwardly turned to form a flange on the outer side. In order to allow the addition of at least one support frame and the receiving member to allow the aforementioned inward The at least one clamping portion and the first clamping member extending from one side of the predetermined circumference can form an orientation restriction on the corresponding flange of the receiving member, and are placed as at least one selected grading sheet or color filter lens. The lens support frame according to claim 1, wherein the camera lens side locks the support frame cut into the adapter ring at a position facing the inner first receiving area along the upper and lower preset width flat faces. The preset range of the area is such that at least one protrusion is allowed to protrude to make a suitable pressing force against the corresponding gradient layer or the corresponding part of the filter lens.