Intermediate adapter and camera system
First Claim
1. An intermediate adapter used in a camera system, the camera system comprising:
- a first interchangeable lens;
a second interchangeable lens including a protruding portion protruding toward an image plane from its mount reference surface whose protruding amount is larger than that of the first interchangeable lens, and having a flange back equal to that of the first interchangeable lens;
a first camera on which the first interchangeable lens is mounted, the first camera including a first wall portion inside its mount and preventing mounting of the second interchangeable lens by the protruding portion of the second interchangeable lens contacting the first wall portion; and
a second camera on which the first interchangeable lens and the second interchangeable lens are selectively mounted, the second camera including a second wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, the intermediate adapter comprising;
a third wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, wherein the intermediate adapter is mounted between the first interchangeable lens and the first and second cameras, and is mounted between the second interchangeable lens and the first and second cameras.
3 Assignments
0 Petitions
Accused Products
Abstract
The present invention provides an intermediate adapter capable of being mounted on a first camera on which a first interchangeable lens is mounted and a second camera on which the first interchangeable lens and a second interchangeable lens are mounted. The second interchangeable lens includes a protruding portion protruding toward an image plane from its mount reference surface whose protruding amount is larger than that of the first interchangeable lens and has a flange back equal to that of the first interchangeable lens. The first camera has a first wall portion inside its mount and prevents mounting of the second interchangeable lens by the protruding portion of the second interchangeable lens contacting the first wall portion. The second camera includes a second wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens.
57 Citations
10 Claims
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1. An intermediate adapter used in a camera system,
the camera system comprising: -
a first interchangeable lens;
a second interchangeable lens including a protruding portion protruding toward an image plane from its mount reference surface whose protruding amount is larger than that of the first interchangeable lens, and having a flange back equal to that of the first interchangeable lens;
a first camera on which the first interchangeable lens is mounted, the first camera including a first wall portion inside its mount and preventing mounting of the second interchangeable lens by the protruding portion of the second interchangeable lens contacting the first wall portion; and
a second camera on which the first interchangeable lens and the second interchangeable lens are selectively mounted, the second camera including a second wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, the intermediate adapter comprising;
a third wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, wherein the intermediate adapter is mounted between the first interchangeable lens and the first and second cameras, and is mounted between the second interchangeable lens and the first and second cameras. - View Dependent Claims (3)
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2. An intermediate adapter used with a first camera on which a first interchangeable lens is mounted and a second camera on which the first interchangeable lens and a second interchangeable lens are mounted,
the second interchangeable lens including a protruding portion protruding toward an image plane from its mount reference surface whose protruding amount is larger than that of the first interchangeable lens, and having a flange back equal to that of the first interchangeable lens, the first camera including a first wall portion inside its mount and preventing mounting of the second interchangeable lens by the protruding portion of the second interchangeable lens contacting the first wall portion, the second camera including a second wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, the intermediate adapter comprising: -
a third wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, wherein the intermediate adapter is mounted between the first interchangeable lens and the first and second cameras and is mounted between the second interchangeable lens and the first and second cameras. - View Dependent Claims (4)
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5. A camera system comprising:
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a first interchangeable lens;
a second interchangeable lens including a protruding portion protruding toward an image plane from its mount reference surface whose protruding amount is larger than that of the first interchangeable lens, and having a flange back equal to that of the first interchangeable lens;
a first camera on which the first interchangeable lens is mounted, the first camera including a first wall portion inside its mount and preventing mounting of the second interchangeable lens by the protruding portion of the second interchangeable lens contacting the first wall portion;
a second camera on which the first and the second interchangeable lenses, the second camera including a second wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens; and
an intermediate adapter, wherein the intermediate adapter includes a third wall portion provided inside its mount at a position retreated from the protruding portion of the second interchangeable lens, and the intermediate adapter is mounted between the first interchangeable lens and the first and second cameras and is mounted between the second interchangeable lens and the first and second cameras. - View Dependent Claims (6)
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7. An intermediate adapter to be mounted between a camera and an interchangeable lens, the intermediate adapter comprising:
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a plurality of indexes provided on an interchangeable lens-side of the intermediate adapter and serving as marks when being mounted on the interchangeable lens, wherein the plurality of indexes are provided at different phase positions on the intermediate adapter. - View Dependent Claims (8, 9)
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10. An intermediate adapter on which a first interchangeable lens and a second interchangeable lens are selectively mounted, the first interchangeable lens including a mount on which a bayonet lug is formed, the second interchangeable lens including a bayonet lug and a mount which have the same shape and dimensions as the bayonet lug and the mount of the first interchangeable lens, the second interchangeable lens including a protruding portion protruding toward an image plane from its mount reference surface whose protruding amount is larger than that of the first interchangeable lens,
the intermediate adapter comprising: -
a lens-side mount on which the mounts of the first and second interchangeable lenses are mounted;
a wall portion provided inside the lens-side mount at a position retreated from the protruding portion of the second interchangeable lens; and
a camera-side mount including a bayonet lug which has the same shape and dimensions as the bayonet lug and the mount of the first interchangeable lens.
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Specification