JP2007121612A - Lens device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lens device capable of holding a lens on a lens holding member with a simple configuration. <P>SOLUTION: The lens device 100 includes lenses 11 to 13 and a lens barrel 20 storing the lenses 11 to 13 therein. The lens barrel 20 includes a cylinder body 21 having an opening, a storage part 23 wherein the lenses 11 to 13 are stored along a direction of an optical axis X-X of the lenses 11 to 13 from the opening side of the cylinder body 21, a back support face 24a for supporting a back of the third lens 13, and a front support part 50 which is extended from an outer peripheral edge on the opening side of the cylinder body 21 and has a locking part 51 formed in a front end part thereof and has elasticity. The locking part 51 is so provided that a front of an outer peripheral edge of the first lens 11 is pressed in a plurality of parts in a direction approximately parallel with the optical axis X-X of the lenses 11 to 13. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a lens apparatus, and more particularly to a lens apparatus including a lens and a lens holding member that accommodates the lens.

In recent years, small lenses have been widely used in electronic devices such as digital cameras and mobile phones. This small lens is used by being held and fixed to a lens barrel that is a lens holding member in order to protect the lens surface.
In order to hold and fix the lens in the lens barrel, for example, a technique has been proposed in which the lens outer edge portion is bonded and fixed in the lens barrel with an adhesive (Patent Document 1). In order to fix and hold the small lens in the lens barrel, a technique has been proposed in which a ring-shaped member such as a presser ring is screwed into the lens barrel and the lens is pressed and fixed (Patent Document 2).

JP 11-313235 A JP 2005-17955 A

However, the technique described in Patent Document 1 requires the work of applying an adhesive to the outer peripheral edge of the lens and the inner wall of the lens barrel and curing the adhesive, which increases the number of manufacturing steps. It was. Moreover, in the technique described in Patent Document 2, it is necessary to newly add a ring-shaped member such as a presser ring, and there is a problem that the number of parts increases.
The present invention has been made to solve such problems, and an object of the present invention is to provide a lens apparatus that can hold a lens on a lens holding member with a simple configuration.

  A lens device according to the present invention is a lens device having a plurality of lenses and a lens holding member that accommodates the plurality of lenses by aligning optical axes of the plurality of lenses, and the lens holding member has an opening at one end. A cylindrical body, a storage section that stores the plurality of lenses along the optical axis direction of the plurality of lenses from the opening side of the cylindrical body, and a part of the storage section. A back support portion that supports the back side of the lens farthest from the opening, and a front support portion that extends from the outer peripheral edge of the opening side of the cylinder, has a locking portion at the tip, and has elasticity, and has a locking portion. Is characterized in that among the plurality of lenses, the front surface of the outer peripheral edge of the lens farthest from the back support portion is provided so as to be pressed at a plurality of locations in a direction substantially parallel to the optical axes of the plurality of lenses. To do. With this configuration, the lens can be held on the lens holding member with a simple configuration.

  Here, the front of the outer peripheral edge of the lens farthest from the back support portion among the plurality of lenses is pressed at a plurality of locations in a substantially parallel direction and a substantially vertical direction with respect to the optical axes of the plurality of lenses. May be provided. Further, the front support portion may be provided so as to be in contact with the outer peripheral end portion of the lens farthest from the back support portion among the plurality of lenses. In addition, the inner wall of the storage portion may be formed along the outer peripheral edge of one or more lenses. Moreover, you may interpose an elastic member between a latching | locking part and a back surface support part. In addition, an elastic part is provided on the back support part, which is formed between the back face and the back support part of the lens farthest from the opening of the cylindrical body, and expands and contracts in a direction substantially parallel to the optical axis of the plurality of lenses. Also good. In addition, a surface corresponding to the locking portion may be formed on the front surface of the outer peripheral edge of the lens farthest from the back support portion among the plurality of lenses, at a position where the locking portion presses.

  A lens device according to the present invention is a lens device having a lens and a lens holding member that accommodates the lens. The lens holding member has a cylindrical body having an opening at one end, and light from the lens from the opening side of the cylindrical body. Along the axial direction, a storage portion for storing the lens, a back support portion that forms a part of the storage portion and supports the back side of the lens, and extends from the outer peripheral edge on the opening side of the cylinder, A locking portion is provided so that the front surface of the outer peripheral edge of the lens is pressed at a plurality of locations in a direction substantially parallel to the optical axis of the lens. It is characterized by that. With this configuration, the lens can be held on the lens holding member with a simple configuration. Here, the engaging portion may be provided such that the front surface of the outer peripheral edge of the lens is pressed at a plurality of locations in a direction substantially parallel to and a direction substantially perpendicular to the optical axis of the lens.

  According to the present invention, the lens can be held on the lens holding member with a simple configuration.

Embodiment 1 of the Invention
A lens apparatus according to Embodiment 1 of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating a configuration of a lens device according to Embodiment 1 of the present invention, in which a left diagram is an external view, and a right diagram is a cross-sectional view taken along a plane including a center line of the lens device. It is. 1 is the center line of the lens apparatus 100 and also the optical axis of the lens group of the lenses 11 to 13. 2A and 2B are diagrams showing a configuration of a lens barrel of the lens apparatus according to Embodiment 1 of the present invention, in which FIG. 2A is a top view, FIG. 2B is a front view, and a left view. Is an external view, and the right figure is a cross-sectional view of the lens barrel taken along a plane including the center line OC. 2 is a center line of the lens barrel 20.

As shown in FIG. 1, a lens apparatus 100 according to an embodiment of the present invention includes a lens group of a first lens 11, a second lens 12, and a third lens 13, and a lens barrel 20 as a lens holding unit. And an O-ring 30 as an elastic member.
As shown in FIG. 1, the lenses 11, 12, and 13 are sequentially accommodated in an accommodating portion 23 formed inside the lens barrel 20 with the optical axes XX aligned. Note that the optical axes XX of the lenses 11, 12, and 13 coincide with the center line of the lens device 100.

  As shown in FIG. 1, the first lens 11 is formed in a disc shape, and is disposed at a position farthest from the back support surface 24 a as the back support portion, which is the inner surface of the bottom plate 24 of the lens barrel 20. Yes. A convex curved surface 11a is formed on the front surface (upper side of FIG. 1) of the first lens 11, and a concave curved surface 11b is formed on the rear surface (lower side of the paper surface of FIG. 1) of the first lens 11. Has been. In addition, a flat surface 11c corresponding to a locking portion 51 described later is formed on the outer peripheral edge of the front surface of the first lens 11 over the entire periphery. Further, as shown in FIG. 1, the flat surface 11 c is formed at a position lower than the convex curved surface 11 a, and a step 11 d is formed on the outer peripheral edge of the front surface of the first lens 11.

As shown in FIG. 1, the second lens 12 is formed in a disc shape and is disposed between the first lens 11 and the third lens 13. The front surface of the second lens 12 (upper side in FIG. 1) is a flat surface, and a concave curved surface 12a is formed on the rear surface of the second lens 12 (lower side in FIG. 1). A slope 12b is formed on the outer peripheral edge of the back surface of the second lens 12 over the entire circumference.
As shown in FIG. 1, the third lens 13 is formed in a disk shape, and is disposed at a position farthest from an opening 21 of a lens barrel 20 described later shown in FIG. 2. The back surface of the third lens 13 is supported by the back support surface 24 a of the lens barrel 20.
In addition, as a material of each lens 11, 12, 13, for example, synthetic resin such as polyolefin, glass, or the like is used.

As shown in FIGS. 1 and 2, the lens barrel 20 as a lens holding member includes a cylindrical body 21 having an opening 22 at one end, a storage portion 23, a bottom plate 24, and a front support portion 50. Yes. As the material of the lens barrel 20, for example, a resin such as polyphthalamide or ABS is used.
An inner wall is formed inside the cylindrical body 21 along the outer peripheral ends of the lenses 12 and 13. The inner walls restrict the lenses 12 and 13 in a direction perpendicular to the optical axis XX of the lens group, so that the optical axes of the lenses 12 and 13 are aligned. In addition, in FIG. 1, although the inner wall of the cylinder 21 showed the aspect formed along the outer periphery end of the lenses 12 and 13, the inner wall of the cylinder 21 was formed along the outer periphery end of the lenses 11-13. Also good. A bottom plate 24 having a through hole 25 is provided at the other end of the lens barrel 20.

The accommodating portion 23 is configured by a space surrounded by the inner wall of the cylindrical body 21, the inner surface of the front support portion 50, and the back support surface 24 a that is the inner surface of the bottom plate 24. The back surface of the third lens 13 is supported by the back surface 24 a of the lens barrel 20. Instead of the planar back support surface 24a, for example, the back surface of the third lens 13 may be supported by a plurality of convex bosses or ribs.
As shown in FIG. 1, the first lens 11, the second lens 12, and the third lens 13 are stacked on the housing portion 23 along the optical axis XX of the lens group from the opening 22 side of the cylindrical body. Is contained.

  As shown in FIGS. 1 and 2A, the front support 50 is provided at three equal intervals along the outer peripheral edge of the cylindrical body 21 on the opening 22 side. Note that two or four or more front support portions 50 may be provided. Also in this case, in consideration of the balance of the pressing force by the locking portion 51, it is preferable that the front support portions 50 are provided at equal intervals along the outer peripheral edge of the cylindrical body 21 on the opening 22 side. Each front support 50 has elasticity and is formed to be bent in a direction substantially perpendicular to the optical axis XX of the lens group, that is, from the center of the lens group to the outer peripheral side or from the outer peripheral side to the central part. .

  Each front support portion 50 extends from the outer peripheral edge of the cylindrical body 21 on the opening 22 side, has a locking portion 51 formed at the tip, and is the first lens in the lens group that is the farthest from the back support surface 24a. 1 lens 11 is provided in contact with the outer peripheral end 11d. By doing in this way, the 1st lens 11 is controlled in the perpendicular direction to the optical axis XX of the lens group. That is, the first lens 11 can be held and fixed at the center of the lens barrel 20 by sandwiching the outer peripheral end of the first lens 11 between the inner surfaces of the front support portions 50. And even if the center of the first lens 11 is mounted off the optical axis XX of the lens group, it is corrected to the optical axis XX side of the lens group by the elastic force of the front support 50.

  Each locking portion 51 is provided such that a flat surface 11c formed on the front surface of the outer peripheral edge of the first lens 11 is pressed in a direction substantially parallel to the optical axis XX of the lens group. . By doing in this way, the lens group of the 1st lens 11, the 2nd lens 12, and the 3rd lens 13 is controlled in the optical axis XX direction of a lens group. That is, the lens group of the first lens 11, the second lens 12, and the third lens 13 is sandwiched between the locking portion 51 and the back support surface 24 a, and the lens group is held and fixed to the lens barrel 20. Can do.

  At this time, as shown in FIG. 1, an O-ring 30 as an elastic member may be interposed between the locking portion 51 and the back support surface 24a. As shown in FIG. 1, the O-ring 30 is provided in a region surrounded by the back surface of the first lens 11, the outer peripheral end surface of the second lens 12, and the inner wall of the lens barrel 20. For example, synthetic rubber is used as the material of the O-ring 30. As shown in FIG. 1, the inner diameter of the O-ring 30 is larger than the outer diameter of the second lens 12, and the outer diameter of the O-ring 30 is set smaller than the outer diameter of the first lens 11.

    In the O-ring 30, the first lens 11, the second lens 12, and the third lens 13 are accommodated in the accommodating portion 23 in the lens barrel 20, and the locking portion 51 is formed on the outer peripheral edge of the front surface of the first lens 11. When attached to the flat surface 11 c, it is pressed and compressed by the back surface of the first lens 11, the outer peripheral end surface of the second lens 12, and the inner wall of the lens barrel 20. FIG. 1 shows the O-ring 30 before compression.

  In this way, by interposing the O-ring 30 between the locking portion 51 and the back support surface 24a, the flat surface 11c formed on the front surface of the outer peripheral edge of the first lens 11 is moved to the lens by each locking portion 51. It is surely pressed in the optical axis XX direction of the group. Therefore, the lens group of the first lens 11, the second lens 12, and the third lens 13 is securely clamped between the locking portion 51 and the back support surface 24 a, and the lens group is securely held in the lens barrel 20.・ Can be fixed. Further, by interposing the O-ring 30 between the locking portion 51 and the back support surface 24a, the sealing property on the opening 22 side of the lens barrel 20 can be ensured.

  As described above, the cylindrical body 21 is extended from the outer peripheral edge on the opening 22 side, the locking portion 51 is formed at the tip, and the first lens 11 which is the lens farthest from the back support surface 24a in the lens group. A front support 50 having elasticity that contacts the outer peripheral end 11d at a plurality of locations, and a plane 11c formed on the front surface of the outer periphery of the first lens 11 is substantially parallel to the optical axis XX of the lens group. Since the locking portion 51 is provided so as to be pressed at a plurality of locations, an adhesive is applied to the outer peripheral edge of the lens or the inner wall of the lens barrel, as in the technique described in Patent Document 1, and then bonded. The lens 11, 12, 13 has a simple configuration without requiring a work for curing the agent, and it is not necessary to newly add a ring-shaped member such as a presser ring as in the technique described in Patent Document 2. Is easily held in a lens barrel 20 as a lens holding member. It is possible.

Embodiment 2 of the Invention
Next, a lens apparatus according to Embodiment 2 of the present invention will be described with reference to the drawings. FIG. 3 is a diagram showing a configuration of a lens apparatus according to Embodiment 2 of the present invention, where the left figure is an external view, and the right figure is a cross-sectional view taken along a plane including the center line of the lens apparatus. It is. 3 is a center line of the lens device 101 and also an optical axis of the lens group.
In the first embodiment of the present invention, as shown in FIGS. 1 and 2, the O-ring 30 is interposed between the locking portion 51 and the back support surface 24a. 2, as shown in FIG. 3, the elastic portion 40 that expands and contracts in a direction substantially parallel to the optical axis ZZ of the lens group is on the back support surface 24 a and is the closest to the opening 22 of the cylinder 21. The difference is that the third lens 13 which is a distant lens is formed between the back surface and the back support surface 24a.

Further, in the second embodiment of the present invention, as shown in FIG. 3, the O-ring 30 shown in FIG. 1 is not provided, so that the first lens is compared with the case of the first embodiment of the present invention. 11, a region surrounded by the outer peripheral end surface of the second lens 12 and the inner wall of the lens barrel 20 is narrowed.
The elastic portion 40 is formed in a double ring shape and protrudes from the back support surface 24a. In the elastic part 40, the first lens 11, the second lens 12 and the third lens 13 are housed in the housing part 23 in the lens barrel 20, and the locking part 51 is formed on the outer peripheral edge of the front surface of the first lens 11. When attached to the flat surface 11c, the back surface of the third lens 13 is pressed and compressed. In addition, as long as it provides in this way, the elastic part 40 does not need to be annular. As the material of the elastic portion 40, for example, an elastic material such as synthetic rubber is used. The elastic part 40 is formed integrally with the lens barrel 20. However, after the elastic portion 40 is formed separately, it may be attached on the back support surface 24a with an adhesive.

  In this way, the elastic portion 40 that expands and contracts in the optical axis ZZ direction of the lens group is on the back support surface 24 a and the back and back surfaces of the third lens 13 that is the lens farthest from the opening 22 of the cylindrical body 21. Since it is formed between the support surfaces 24a, the flat surface 11c formed on the front surface of the outer peripheral edge of the first lens 11 is surely secured in a direction substantially parallel to the optical axis XX of the lens group by each locking portion 51. The lens group of the first lens 11, the second lens 12 and the third lens 13 is securely clamped between the locking portion 51 and the back support surface 24 a, and the lens group is securely attached to the lens barrel 20. Can be held and fixed.

Embodiment 3 of the Invention
Next, a lens apparatus according to Embodiment 3 of the present invention will be described with reference to the drawings. FIG. 4 is a diagram illustrating a configuration of a lens device according to Embodiment 3 of the present invention. The left diagram in FIG. 4A is an external view, and the right diagram in FIG. It is sectional drawing when cut | disconnecting in the surface containing a centerline, FIG.4 (b) is an expanded sectional view of a locking part periphery. 4 is a center line of the lens device 102 and also an optical axis of the lens group.

  In the first embodiment of the present invention, as shown in FIGS. 1 and 2, each locking portion 51 formed at the tip of each front support portion 50 is formed on the front surface of the outer peripheral edge of the first lens 11. The flat surface 11c is provided so as to be pressed in a direction substantially parallel to the optical axis XX of the lens group, whereas in Embodiment 3 of the present invention, as shown in FIG. Each locking portion 501 formed at the tip of each front support 500 has an inclined surface 110f formed on the front surface of the outer peripheral edge of the first lens 110 in a direction substantially parallel to the optical axis WW of the lens group ( It differs in that it is provided so as to be pressed in a substantially vertical direction (vector t direction in FIG. 4B) and a vector s direction in FIG. 4B.

As shown in FIGS. 4A and 4B, each locking portion 501 is formed by a slope of θ = 45 degrees with respect to the optical axis WW of the lens group.
As shown in FIG. 4A, a slope 110f corresponding to the locking portion 501 is formed on the outer peripheral edge of the front surface of the first lens 110 over the entire periphery. As shown in FIG. 4A, the inclined surface 110f is formed at a position lower than the convex curved surface 110a, and a step 110d is formed on the outer peripheral edge of the front surface of the first lens 110. .

  The first lens 110, the second lens 12, and the third lens 13 are accommodated in the accommodating portion 23 in the lens barrel 20, and the locking portion 501 is attached to the slope 110 f formed on the outer peripheral edge of the front surface of the first lens 110. When this is done, the slope 110f formed on the outer peripheral edge of the front surface of the first lens 110 is pressed in the direction of the vector r by the locking portion 110f. As shown in FIG. 4B, the vector r is divided into a vector s and a vector t. That is, the vectors s and t are component forces of the vector r, the vector s is a component force in a direction substantially parallel to the optical axis WW of the lens group, and the vector t is the optical axis WW of the lens group. Is a component force in a substantially vertical direction.

  As described above, the first lens 110, the second lens 12, and the third lens 13 are accommodated in the accommodating portion 23 in the lens barrel 20, and the locking portion 501 is formed on the outer peripheral edge of the front surface of the first lens 110. When attached to the inclined surface 110f, the inclined surface 110f formed on the outer peripheral edge of the front surface of the first lens 110 is substantially parallel to the optical axis WW of the lens group by the engaging portion 110f (FIG. 4B). ) In the vector s direction) and in a substantially vertical direction (the vector t direction in FIG. 4B).

  As described above, the slope 110f formed on the front surface of the outer peripheral edge of the first lens 110 is pressed at a plurality of locations in a substantially parallel direction and a substantially vertical direction with respect to the optical axis WW of the lens group. By providing the locking portion 501, the lenses 110, 12, and 13 can be easily held in the lens barrel 20 as a lens holding member with a simple configuration. In particular, the inclined surface 110f formed on the front surface of the outer peripheral edge of the first lens 110 is pressed at a plurality of locations in both a substantially parallel direction and a substantially perpendicular direction with respect to the optical axis WW of the lens group by the locking portion 61. Therefore, the lenses 110, 12, and 13 can be securely held in the lens barrel 20 without providing the O-ring 30 shown in FIG. 1 and the elastic portion 40 shown in FIG. 3.

  In the above embodiment, the description has been made with the embodiment in which θ in FIG. 4B is set to 45 degrees. However, it is desired to increase the force (vector s) in a direction substantially parallel to the optical axis WW of the lens group. In this case, θ may be set in the range of 45 ° <θ <90 °, and when it is desired to increase the force (vector t) in a direction substantially perpendicular to the optical axis WW of the lens group. , Θ may be set in a range of 0 degree <θ <45 degrees.

  The above description is for explaining the embodiment of the present invention, and the present invention is not limited to the above embodiment. Moreover, those skilled in the art can easily change, add, and convert each element of the above embodiment within the scope of the present invention.

In the above embodiment, three lenses are accommodated in the lens device. However, one lens, two lenses, or four or more lenses are accommodated in the lens device according to the optical characteristics of the lens device. Also good. In addition, the shape of the first lens, the second lens, and the third lens of the above embodiment is not limited, and the shape of each lens, the curvature of the curved surface, and the like may be changed according to the optical characteristics of the lens device. .
Moreover, although the said embodiment demonstrated the aspect in which the surface corresponding to a latching | locking part was formed over the perimeter of the outer periphery of the 1st lens 11, the surface corresponding to a latching | locking part is the 1st lens. What is necessary is just to form in the position which at least the latching | locking part of the outer periphery of 11 presses.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the structure of the lens apparatus which concerns on Embodiment 1 of this invention, Comprising: The left figure is an external view, The right figure is sectional drawing when cut | disconnecting in the surface containing the centerline of a lens apparatus. It is a figure which shows the structure of the lens barrel of the lens apparatus which concerns on Embodiment 1 of this invention, Comprising: Fig.2 (a) is a top view, FIG.2 (b) is a front view, The left figure is an external view. The right figure is a cross-sectional view of the lens barrel taken along the plane including the center line CC. FIG. 5 is a diagram illustrating a configuration of a lens device according to Embodiment 2 of the present invention, in which a left diagram is an external view, and a right diagram is a cross-sectional view taken along a plane including a center line of the lens device. FIG. 4 is a diagram illustrating a configuration of a lens device according to Embodiment 3 of the present invention, in which the left diagram in FIG. 4A is an external view, and the right diagram in FIG. 4A includes a center line of the lens device. It is sectional drawing when cut | disconnecting by a surface, FIG.4 (b) is an expanded sectional view of a locking part periphery.

Explanation of symbols

100 Lens device 11, 110 First lens 11a, 110a Convex curved surface 11b, 110b Concave curved surface 11c Plane 11d, 110d Step 110f Slope 12 Second lens 12a Concave curved surface 12b Slope 13 Third lens 13a Convex curved surface 20 Lens barrel 21 Cylinder 22 Opening 23 Housing part 24 Bottom plate 25 Back support surface 30 O-ring 40 Elastic part 50, 500 Front support part 51, 501 Locking part

Claims (9)

A lens device having a plurality of lenses and a lens holding member that accommodates the plurality of lenses by aligning the optical axes of the plurality of lenses,
The lens holding member includes a cylindrical body having an opening at one end, a storage section that stores the plurality of lenses along the optical axis direction of the plurality of lenses from the opening side of the cylindrical body, and one of the storage sections. A rear support portion that supports the rear side of the lens farthest from the opening of the cylindrical body, and extends from the outer peripheral edge of the cylindrical body on the opening side, and is locked to the tip. Part is formed, and comprises a front support part having elasticity,
The locking portion is configured such that, of the plurality of lenses, the front surface of the outer peripheral edge of the lens farthest from the back support portion is pressed at a plurality of locations in a direction substantially parallel to the optical axes of the plurality of lenses. A lens device provided.   The locking portion is configured such that, of the plurality of lenses, the front surface of the outer peripheral edge of the lens farthest from the back support portion is pressed at a plurality of locations in a substantially parallel direction and a substantially vertical direction with respect to the optical axes of the plurality of lenses. The lens apparatus according to claim 1, wherein the lens apparatus is provided as described above.   The lens apparatus according to claim 1, wherein the front support part is provided so as to be in contact with an outer peripheral end of a lens farthest from the back support part among the plurality of lenses at a plurality of positions.   The lens device according to claim 1, wherein an inner wall of the housing portion is formed along an outer peripheral end of the one or more lenses.   The lens device according to claim 1, wherein an elastic member is interposed between the locking portion and the back support portion.   An elastic part on the back support part, formed between the back face of the lens farthest from the opening of the cylindrical body and the back support part, and expands and contracts in a direction substantially parallel to the optical axes of the plurality of lenses. The lens apparatus according to claim 1, further comprising:   Of the plurality of lenses, a surface corresponding to the locking portion is formed on the front surface of the outer peripheral edge of the lens farthest from the back support portion, at a position where the locking portion presses. The lens device according to claim 1. A lens device having a lens and a lens holding member that houses the lens,
The lens holding member constitutes a cylindrical body having an opening at one end, a storage part for storing the lens from the opening side of the cylindrical body along the optical axis direction of the lens, and a part of the storage part. A back support portion that supports the back side of the lens, and a front support portion that extends from the outer peripheral edge of the cylindrical body on the opening side, has a locking portion at the tip, and has elasticity,
The lens device according to claim 1, wherein the locking portion is provided so that the front surface of the outer peripheral edge of the lens is pressed at a plurality of locations in a direction substantially parallel to the optical axis of the lens.   9. The locking portion is provided so that the front surface of the outer peripheral edge of the lens is pressed at a plurality of locations in a direction substantially parallel to and a direction substantially perpendicular to the optical axis of the lens. The lens device according to 1.

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