JP6478874B2 - Detachable structure between lens hood and lens barrel, and lens hood - Google Patents

Description

  The present invention relates to a detachable structure between a lens hood and a lens barrel, and a lens hood.

  Conventionally, a lens hood is attached to the tip of a lens barrel so that unnecessary light does not enter the optical system. Such lens hoods have a so-called flower shape in which the four sides of the object side edge protrude toward the object side in order to block light from a specific angle. The flower-shaped lens hood cannot block unnecessary light unless it is attached to the lens barrel at a predetermined angle so that the protruding portion is positioned vertically and horizontally. End up. Therefore, for example, as described in Patent Document 1, a lens barrel side fitting portion including one of a convex portion and a concave portion is provided on the outer peripheral surface of the lens barrel, and the convex portion and the inner peripheral side of the lens hood are provided. Providing the hood side fitting part which consists of the other of the recessed parts is performed. Then, when the lens barrel side fitting portion and the hood side fitting portion are fitted, a click feeling is generated when the convex portion enters the concave portion, so that the user places the lens hood at a predetermined angular position on the lens barrel. It can be confirmed that it is installed.

  Here, in order to fit the lens barrel side fitting portion and the hood side fitting portion, the hood needs to bend because the convex portion gets over the side edge of the concave portion. In the lens hood described in Patent Document 1, a deformation-permissible slit is formed on the outer periphery of the hood side fitting portion (click projection) of the lens hood so as to promote such bending of the hood.

JP 2013-54317 A

  However, in a lens hood as described in Patent Document 1, a large deformation permissible slit cannot be provided due to strength problems. For this reason, the vicinity of the hood side fitting portion of the lens hood cannot be sufficiently bent, and the click feeling cannot be stably obtained. In addition, there is a lens hood in which the hood-side fitting portion is formed of a separate member from the hood main body, but using a separate member increases the cost.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a detachable structure between a lens hood and a lens barrel that can stably obtain a click feeling without increasing the cost.

  The present invention is a structure for attaching and detaching a lens hood and a lens barrel, and the lens barrel is provided at an object side end of the lens barrel and includes an annular lens barrel side connection portion extending in the optical axis direction. The lens barrel side connecting portion has a lens barrel side fitting portion having one of a convex shape and a concave shape facing the outer diameter direction of the lens barrel, and the lens hood is a lens barrel connecting side end portion of the lens hood. A hood-side connecting portion extending in the optical axis direction, the hood-side connecting portion having a first hood-side fitting portion having a convex shape and a concave shape facing the inner diameter direction of the lens hood, and a mirror The tube-side fitting portion and the first hood-side fitting portion are formed to face each other so as to be fitted when the lens barrel and the lens hood are connected. At least one of the side fitting parts is another part of the lens barrel side connection part or the hood side connection part. Circumferentially at intervals are formed on the inner diameter side of the first base portion which is provided upright in the optical axis direction, characterized in that.

  The present invention relates to a lens hood that is attached to a subject side end of a lens barrel, and is a hood side connecting portion that connects the lens barrel to the lens hood, and is provided at the end of the lens hood on the lens barrel connecting side. A hood-side connection portion standing in the optical axis direction is provided, and the hood-side connection portion has a first hood-side fitting portion having one of a convex shape and a concave shape toward the inside of the lens hood, and the first hood side fitting The joint portion is formed on the inner diameter side of the first base portion that is provided at the end portion of the lens hood so as to stand in the optical axis direction with a gap in the circumferential direction from other portions of the hood side connection portion. And

  ADVANTAGE OF THE INVENTION According to this invention, the attachment or detachment structure of the lens hood and lens barrel which can obtain a click feeling stably, without raising a cost is provided.

It is the perspective view seen from the to-be-photographed object side of the lens hood used for the attachment or detachment structure of the lens hood and lens barrel by one Embodiment of this invention. It is the perspective view seen from the image formation side of the lens hood shown in FIG. It is a front view of the lens hood shown in FIG. It is an optical axis direction sectional view of the lens hood shown in FIG. It is a rear view of the lens hood shown in FIG. It is a perspective view which expands and shows the positive direction hood side fixing | fixed part for positive direction assembly | attachment of the lens hood shown in FIG. It is a perspective view which expands and shows the reverse direction hood side fixing | fixed part for the reverse direction assembly | attachment of the lens hood shown in FIG. It is a perspective view which shows the connection member of the lens barrel used for the attachment or detachment structure of the lens hood and lens barrel by one Embodiment of this invention. It is an enlarged view which shows the vicinity of the positive direction hood fixing | fixed part in the state which attached the lens hood to the lens barrel in the positive direction. It is an axial sectional view in the state where the lens hood was attached to the lens barrel in the positive direction. It is an axial direction sectional view in the state where the lens hood was attached to the lens barrel in the reverse direction.

  Hereinafter, an embodiment of a detachable structure between a lens hood and a lens barrel of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a lens hood used in an attachment / detachment structure between a lens hood and a lens barrel according to an embodiment of the present invention, as viewed from the subject side. FIG. 2 is a perspective view of the lens hood shown in FIG. 1 as viewed from the image forming side. FIG. 3 is a front view of the lens hood shown in FIG. 4 is a cross-sectional view of the lens hood shown in FIG. 1 in the optical axis direction. FIG. 5 is a rear view of the lens hood shown in FIG. FIG. 6 is an enlarged perspective view showing the positive hood side fixing portion for assembling the lens hood shown in FIG. 1 in the positive direction. FIG. 7 is an enlarged perspective view showing a reverse hood side fixing portion for reverse assembly of the lens hood shown in FIG. 1.

〔Lens hood〕
As shown in FIGS. 1 to 5, the lens hood 1 includes a cylindrical lens hood main body 2 and a substantially cylindrical hood side connection portion 3 provided on the imaging side of the hood main body and extending in the optical axis direction. Prepare. The lens hood body 2 includes a substantially cylindrical outer peripheral portion 12 and an annular ring portion 14 extending from the vicinity of the imaging side end portion of the outer peripheral portion 12 toward the inner diameter side. A connecting portion main body 16 constituting the hood side connecting portion 3 extends rearward from an inner diameter side edge of the annular portion 14. Extending portions 12 </ b> A that extend toward the subject side are formed on the subject side end of the outer peripheral portion 12.

  The hood side connection portion 3 includes a connection portion main body 16, a forward direction hood side fixing portion 4 and a forward direction hood side engaging portion 6 for assembling in the forward direction, a reverse direction hood side fixing portion 8 for reverse direction assembling and a reverse direction. The direction hood side engaging part 10 is provided. The forward direction hood side fixing part 4 and the forward direction hood side engaging part 6 are provided on the opposite side across the central axis, and the reverse direction hood side fixing part 8 and the reverse direction hood side engagement for reverse direction assembly are provided. The joint portion 10 is also provided at a position on the opposite side across the central axis. Further, the forward direction hood side fixing portions 4 and the forward direction hood side engaging portions 6 are alternately arranged, and the reverse direction hood side fixing portions 8 and the reverse direction hood side engaging portions 10 are also alternately arranged.

  As shown in FIG. 2, the connecting portion main body 16 includes a cylindrical portion 16A extending from the annular portion 14 toward the imaging side, and an annular flange portion 16B formed on the inner peripheral surface of the cylindrical portion 16A so as to extend over the entire circumference. And have.

  As shown in FIG. 6, the forward hood side fixing portion 4 includes a base portion 4A (first base portion) extending from the flange portion 16B toward the imaging side, and a distal end portion extending radially inward from the tip end of the base portion 4A. 4B. A concave portion 4C that is recessed radially outward is formed on the radially inner surface of the distal end portion 4B. In the present embodiment, the forward hood side fitting portion (first hood side) is formed by the distal end portion 4B and the concave portion 4C. (Fitting part) is comprised.

  The forward direction hood side engaging portion 6 is configured by a flange portion 16B and an engaging portion 6A extending radially inward from the imaging side edge of the cylindrical portion 16A. The engaging portion 6 </ b> A extends in the circumferential direction from a position adjacent to the positive direction hood side fixing portion 4 over a predetermined angle range. A portion where the engaging portion 6A is not formed on the imaging side edge of the cylindrical portion 16A is referred to as a notch portion 6B. The base portion 4A and the distal end portion 4B of the forward direction hood side fixing portion 4 are arranged on the same circumference as the cylindrical portion 16A and the engaging portion 6A. As shown in FIG. 2, the base portion 4 </ b> A of the forward hood side fixing portion 4 is not continuous with the cylindrical portion 16 </ b> A, and slits 20 are formed on both sides of the forward hood side fixing portion 4. As shown in FIG. 2, a forward stop 6C extending between the end of the engaging portion 6A and the flange portion 16B is formed at a position corresponding to one end of the engaging portion 6A.

  As shown in FIG. 7, the reverse hood side fixing portion 8 includes a base portion 8A (second base portion) extending from the flange portion 16B toward the subject side in the optical axis direction, and radially inward from the tip of the base portion 8A. It is comprised by the front-end | tip part 8B extended. A concave portion 8C that is recessed radially outward is formed on the radially inner surface of the distal end portion 8B. In this embodiment, the backward hood side fitting portion (second hood side) is formed by the distal end portion 8B and the concave portion 8C. (Fitting part) is comprised. A portion corresponding to the reverse hood side fixing portion 8 of the annular portion 14 is formed with a notch 14A, and the reverse hood side fixing portion 8 is erected in the notch 14A. In addition, the forward direction hood side fixing | fixed part 4 and the reverse direction hood side fixing | fixed part 8 are the same shapes.

  The reverse direction hood side engaging part 10 includes a flange part 16B and an engaging part 10A extending radially inward from the subject side edge of the cylindrical part 16A. The engaging portion 10 </ b> A extends in the circumferential direction from a position adjacent to the reverse hood side fixing portion 8 over a predetermined angle range. A portion where the engaging portion 10A is not formed on the subject side edge of the cylindrical portion 16A is referred to as a notch portion 10B. The base 8A and the tip 8B of the reverse hood side fixing part 8 are arranged on the same circumference as the cylindrical part 16A and the engaging part 10A. As shown in FIG. 7, the base portion 8 </ b> A of the reverse hood side fixing portion 8 is not continuous with the cylindrical portion 16 </ b> A, and slits 22 are formed on both sides of the reverse direction hood side fixing portion 8. As shown in FIG. 2, a reverse direction stop portion 10C extending between the end portion of the engaging portion 10A and the flange portion 16B is formed at a position corresponding to one end portion of the engaging portion 10A. In this embodiment, the forward direction hood side engaging part 6 and the reverse direction hood side engaging part 10 correspond to other parts of the hood side connecting part in the claims.

[Lens barrel]
FIG. 8 is a perspective view showing a lens barrel connecting member used in a detachable structure of a lens hood and a lens barrel according to an embodiment of the present invention.

  The lens barrel has a connection member 30 fixed to the subject side end of the lens barrel. As shown in FIG. 8, the connection member 30 includes a base 30A connected to a cylinder located on the subject side of the lens barrel, and a cylindrical connection portion (lens barrel side connection portion) extending from the base 30A toward the subject. ) 30B.

  On the outer peripheral surface of the connecting portion 30B, a pair of lens barrel side engaging portions 32 that protrudes outward in the radial direction and extends in the circumferential direction is formed. The pair of lens barrel side engaging portions 32 is located on the opposite side across the central axis. Hereinafter, for the sake of explanation, a portion between adjacent lens barrel side engaging portions 32 is referred to as a notch portion 32A.

  Further, a lens barrel side fixing portion 34 is formed on the imaging side of the lens barrel side engaging portion 32 on the outer peripheral surface of the connection portion 30B. The lens barrel side fixing portion 34 includes a convex portion 34A as a lens barrel side fitting portion that protrudes radially outward from the connection portion 30B. The lens barrel side fixing portion 34 is provided in the vicinity of one end portion of the lens barrel side engaging portion 32.

[Removal of lens hood]
(Positive direction)
A method for attaching the lens hood to the lens barrel in the positive direction (the direction in which the lens hood extension is located on the subject side) will be described below. FIG. 9 is an enlarged view showing the vicinity of the forward hood fixing portion in a state where the lens hood is attached to the lens barrel in the forward direction. FIG. 10 is an axial cross-sectional view of the lens hood attached to the lens barrel in the positive direction.

  First, the lens hood 1 is arranged with respect to the lens barrel so that the positive direction hood side fixing portion 4 and the positive direction hood side engaging portion 6 face the notch 32A of the connecting member 30 of the lens barrel. To do. Then, the lens hood 1 is moved toward the lens barrel until the lens barrel side engaging portion 32 of the connecting member 30 of the lens barrel contacts the flange portion 16B of the lens hood 1. Thereby, the connecting member 30 of the lens barrel is positioned inside the connecting portion main body 16 of the lens hood main body 2.

  Next, the lens hood 1 is rotated with respect to the lens barrel. Thereby, the lens barrel side engaging portion 32 of the lens barrel enters between the flange portion 16B and the engaging portion 6A of the positive direction hood side engaging portion 6 of the lens hood 1. Thereby, the movement of the lens hood 1 in the optical axis direction with respect to the lens barrel is restricted.

  Then, the lens hood 1 is rotated until the convex portion 34A as the lens barrel side fitting portion enters the concave portion 4C as the positive direction hood side fitting portion of the lens hood 1. At this time, when the convex portion 34A as the lens barrel side fitting portion comes into contact with the distal end portion 4B of the positive direction hood side fixing portion 4, the base portion 4A of the positive direction hood side fixing portion 4 is bent outward in the radial direction. Mu Thereby, the lens hood 1 can be smoothly rotated with respect to the lens barrel. And if the convex part 34A as a lens-barrel side fitting part enters into the recessed part 4C as a positive direction hood side fitting part of the lens hood 1, the base part 4A bent substantially simultaneously will return. Thereby, the click feeling which shows that the recessed part 4C of the positive direction hood side fitting part and the convex part 34A of the lens-barrel side fitting part fitted was generate | occur | produced.

  As described above, since the base portion 4A is provided at a distance from the other portions of the hood side connection portion 3 in the circumferential direction, the lens barrel (in this embodiment, the lens barrel connected to the lens barrel). When the lens hood 1 is attached to the connecting member 30), the base portion 4A bends radially outward independently of other portions of the hood side connecting portion 3. For this reason, a click feeling can be stably obtained by adopting the above-described attachment / detachment structure.

  And in the state which the recessed part 4C of the positive direction hood side fitting part and the convex part 34A of the lens barrel side fitting part fit in this way, the edge part of the lens barrel side engaging part 32, and the positive direction stop part 6C contacts. Thereby, rotation of the lens hood 1 with respect to the lens barrel can be regulated.

(Reverse direction)
Next, a method of attaching the lens hood 1 to the lens barrel in the reverse direction (the direction in which the extending portion of the lens hood is located on the image forming side) will be described. FIG. 11 is an axial sectional view of the lens hood attached to the lens barrel in the reverse direction.

  First, the lens hood 1 is disposed so that the reverse hood side fixing portion 8 and the reverse hood side engaging portion 10 face the notch portion 32A of the connection member 30 of the lens barrel with respect to the lens barrel. To do. Then, the lens hood 1 is moved toward the lens barrel until the lens barrel side engaging portion 32 of the connecting member 30 of the lens barrel contacts the flange portion 16B of the lens hood 1. Thereby, the connecting member 30 of the lens barrel is positioned inside the connecting portion main body 16 of the lens hood main body 2.

  Next, the lens hood 1 is rotated with respect to the lens barrel. Thereby, the lens barrel side engaging portion 32 of the lens barrel enters between the flange portion 16B and the engaging portion 10A of the reverse hood side engaging portion 10 of the lens hood 1. Thereby, the movement of the lens hood 1 in the optical axis direction with respect to the lens barrel is restricted.

  Then, the lens hood 1 is rotated until the convex portion 34 </ b> A as the lens barrel side fitting portion enters the concave portion 8 </ b> C as the reverse direction hood side fitting portion of the lens hood 1. At this time, when the convex portion 34A as the lens barrel side fitting portion comes into contact with the distal end portion 8B of the reverse hood side fixing portion 8, the base portion 8A of the reverse hood side fixing portion 8 bends radially outward. Mu Thereby, the lens hood 1 can be smoothly rotated with respect to the lens barrel. And if the convex part 34A as a lens-barrel side fitting part enters into the recessed part 8C as a reverse direction hood side fitting part of the lens hood 1, the base part 8A bent substantially simultaneously will return. As a result, a click feeling is generated indicating that the concave portion 8C of the reverse hood side fitting portion and the convex portion 34A of the lens barrel side fitting portion are fitted. Can be obtained stably.

  As described above, since the base 8A is provided at a distance in the circumferential direction from the other portions of the hood-side connecting portion 3, the lens barrel (in this embodiment, the lens barrel connected to the lens barrel). When the lens hood 1 is attached to the connecting member 30), the base 8A bends outward in the radial direction independently of other portions of the hood side connecting portion 3. For this reason, a click feeling can be stably obtained by adopting the above-described attachment / detachment structure.

  And in the state which the recessed part 8C of the reverse direction hood side fitting part and the convex part 34A of the lens barrel side fitting part fit in this way, the edge part of the lens barrel side engaging part 32, and a reverse direction stop part 10C abuts. Thereby, rotation of the lens hood 1 with respect to the lens barrel can be regulated.

  As described above, according to the present embodiment, the concave portion 4C of the forward hood side fitting portion is formed at the distal end portion 4B connected to the distal end of the base portion 4A extending from the flange portion 16B toward the imaging side. Yes. For this reason, when the convex portion 34A as the lens barrel side fitting portion comes into contact with the radially inner surface of the distal end portion 4B of the forward hood side fixing portion 4, the base portion 4A bends toward the radially outer side. Can be removed. Thereby, the lens hood 1 can be smoothly rotated with respect to the lens barrel. In addition, when contacting the radially inner surface of the distal end portion 4B of the forward hood side fixing portion 4, the base portion 4A bends radially outward, so that the convex portion 34A as the lens barrel side fitting portion. Can be stably obtained when entering the recess 4C as the forward hood side fitting portion.

  Further, according to the present embodiment, the concave portion 8C as the reverse hood side fitting portion is formed in the distal end portion 8B connected to the distal end of the base portion 8A extending from the flange portion 16B toward the imaging side. For this reason, when the convex portion 34A as the lens barrel side fitting portion comes into contact with the radially inner surface of the distal end portion 8B of the reverse hood side fixing portion 8, the base portion 8A bends toward the radially outer side. Can be removed. Thereby, the lens hood 1 can be smoothly rotated with respect to the lens barrel. In addition, when contacting the radially inner surface of the distal end portion 8B of the reverse hood side fixing portion 8, the base portion 8A bends radially outward, so that the convex portion 34A as the lens barrel side fitting portion. Can be stably obtained when entering the recess 8C as the reverse hood side fitting portion.

  Further, according to the present embodiment, in the forward direction hood side fixing part 4 and the reverse direction hood side fixing part 8, the recesses 4C are formed in the tip parts 4B, 8B connected to the tips of the base parts 4A, 8A extending in the optical axis direction. 8C is formed. For this reason, the forward direction hood side fixing part 4 and the reverse direction hood side fixing part 8 can be made into the same shape. Thereby, when attaching in the reverse direction and when attaching in the forward direction, There is no difference in feel.

  Moreover, according to this embodiment, since the forward direction hood side fixing part 4 and the reverse direction hood side fixing part 8 can be formed integrally with the lens hood main body 2, the number of members can be suppressed and the cost can be increased. Can be suppressed.

  In this embodiment, the lens hood 1 is provided with the concave portions 4C and 8C as the hood side fitting portions, and the lens barrel connecting member 30 is provided with the convex portion 34A as the lens barrel side fitting portion. However, the lens hood may be provided with a convex portion as the hood side fitting portion, and the connecting member of the lens barrel may be provided with a concave portion as the lens barrel side fitting portion.

  The shapes of the hood side engaging portions 6 and 10 and the lens barrel side fixing portion 34 may be any shapes as long as the movement of the lens hood and the lens barrel in the optical axis direction can be restricted.

  In the present embodiment, the lens hood 1 is provided with the base portions 4A and 8A extending from the lens hood main body 2, and the concave portions 4C and 8C as the hood side fitting portions are provided at the tips of the base portions 4A and 8A. Is not limited to this. For example, the connecting member 30 of the lens barrel is provided with a base portion extending in the optical axis direction with a distance in the circumferential direction from the lens barrel side engaging portion 32 through a slit, and extending radially outward at the tip of the base portion. A tip end portion is provided, a lens barrel side fitting portion is provided at the tip end portion, and the lens hood 1 has a hood side fitting portion directly on the inner peripheral surface of the lens hood main body 2 (without a base portion extending in the optical axis direction). It is good also as a structure which provides.

  In the present embodiment, the configuration in which the lens barrel includes the connection member 30 has been described as an example. However, each member provided in the connection member 30 may be directly provided in the lens barrel (that is, the lens mirror). The tube and the connection member 30 may be integrated), and is not particularly limited.

DESCRIPTION OF SYMBOLS 1 Lens hood 2 Lens hood main body 3 Hood side connection part 4 Positive direction hood side fixing | fixed part 4A Base (1st base)
4B Tip (first hood side fitting part)
4C Concave (concave shape, first hood side fitting part)
6 Forward direction hood side engaging portion 6A Engaging portion 6B Notch portion 6C Forward direction stop portion 8 Reverse direction hood side fixing portion 8A Base portion (second base portion)
8B Tip (second hood side fitting part)
8C Concave (concave shape, second hood side fitting part)
DESCRIPTION OF SYMBOLS 10 Reverse direction hood side engaging part 10A Engaging part 10B Notch part 10C Reverse direction stop part 12 Outer peripheral part 12A Extension part 14 Ring part 14A Notch 16 Connection part main body 16A Cylindrical part 16B Flange part 18 Clearance 20 Slit 22 Slit 30 Connection member 30A Base 30B Connection part (lens tube side connection part)
32 Lens barrel side engaging portion 32A Notch portion 34 Lens barrel side fixing portion 34A Convex portion (convex shape)

Claims (9)

A detachable structure between the lens hood and the lens barrel,
The lens barrel is
Provided at the subject side end of the lens barrel, and provided with an annular barrel side connection extending in the optical axis direction,
The lens barrel side connecting portion has a lens barrel side fitting portion having one of a convex shape and a concave shape facing the outer diameter direction of the lens barrel,
The lens hood is
Provided at the lens barrel connection side end of the lens hood, provided with a hood side connection extending in the optical axis direction,
The hood side connection portion has a first hood side fitting portion having the other of the convex shape and the concave shape toward the inner diameter direction of the lens hood,
The lens barrel side fitting portion and the first hood side fitting portion are formed to face each other so as to be fitted when the lens barrel and the lens hood are connected,
At least one of the lens barrel side fitting portion and the first hood side fitting portion is spaced in the circumferential direction from the other portion of the lens barrel side connecting portion or the hood side connecting portion in the optical axis direction. It is formed on the inner diameter side of the first base portion provided upright,
A lens hood and a lens barrel attachment / detachment structure.   2. The lens hood and the lens barrel according to claim 1, wherein the first hood side fitting portion is provided to stand in the optical axis direction with a space in the circumferential direction from the other portion of the hood side connection portion. Detachable structure. The first hood side fitting part and the other part of the hood side connection part are arranged on the same circumference,
By forming a slit between the first hood side fitting portion and the other portion of the hood side connecting portion, the first hood side fitting portion is the other portion of the hood side connecting portion. The lens hood and lens barrel attachment / detachment structure according to claim 2, wherein the lens hood and the lens barrel are provided at intervals in the circumferential direction. The lens hood is a second hood side fitting portion having the other of the convex shape and the concave shape, and when the lens hood is connected to the lens barrel in a direction opposite to the first hood side fitting portion, Having a second hood side fitting portion to be fitted to the lens barrel side fitting portion on the subject side of the hood side connecting portion;
4. The lens hood and the lens barrel according to claim 1, wherein the second hood side fitting portion is formed on an inner diameter side of a second base portion that is provided upright in the optical axis direction. Detachable structure.   The attachment / detachment structure between the lens hood and the lens barrel according to claim 4, wherein the second hood side fitting portion and the second base portion have the same shape as the first hood side fitting portion and the first base portion, respectively. . In the lens hood attached to the subject side end of the lens barrel,
A hood-side connecting portion that connects the lens barrel to the lens hood, and includes a hood-side connecting portion that is provided at an end of the lens hood on the lens barrel connecting side and stands up in the optical axis direction.
The hood side connection portion has a first hood side fitting portion having one of a convex shape and a concave shape toward the inside of the lens hood,
The first hood side fitting portion is provided on the inner end side of the first base portion, which is provided at the end portion of the lens hood so as to stand upright in the optical axis direction at a distance from other portions of the hood side connection portion. Formed in the
This is a lens hood. The first hood side fitting part and the other part of the hood side connection part are arranged on the same circumference,
By forming a slit between the first hood side fitting portion and the other portion of the hood side connecting portion, the first hood side fitting portion is the other portion of the hood side connecting portion. The lens hood according to claim 6, wherein the lens hood is provided at an interval in a circumferential direction from the part. The lens hood further includes a second hood side fitting portion having one of the convex shape and the concave shape, and a second lens hood for connecting a lens barrel in a direction opposite to the first hood side fitting portion. Having a hood side fitting part on the subject side of the hood side connection part,
The lens hood according to claim 6 or 7, wherein the second hood side fitting portion is formed on an inner diameter side of a second base portion that is provided upright in the optical axis direction.   The lens hood according to claim 8, wherein the second hood side fitting portion and the second base portion have the same shape as the first hood side fitting portion and the first base portion, respectively.

Images