Camera system

A camera body having a camera-body mount which can be detachably coupled with a mount of an optical accessory, comprising:

• a plurality of electric connection terminals including power supply terminals, said plurality of electric connection terminals being arranged to come into contact with a plurality of electric connection terminals of said optical accessory when said two mounts are coupled with each other;
• and
• means for holding said connection terminals of said camera body, said means for holding having an integral protruding part which is formed close to said electric connection terminals of said camera body and protrudes further than said electric connection terminals in the contacting direction of said electric connection terminals, wherein said protruding part is disposed closer to said optical axis than said electric connection terminals of said camera body.

An optical accessory mountable on a camera body, having an accessory mount which can be detachably coupled with a camera-body mount of said camera body by rotating around an optical axis relative to said camera-body mount, said camera body having a plurality of electric connection terminals and a protruding part formed close to said electric connection terminals to protrude in the contacting direction of said terminals, comprising:

• a plurality of electric connection terminals including power supply receiving terminals, said electric connection terminals of said optical accessory being arranged to come into contact with said electric connection terminals of said camera body when said two mounts are coupled with each other;
• and
• a cutout part formed to extend in the contacting direction in a position which corresponds to said protruding part of said camera body when said two mounts are coupled with each other.

A camera body having a mount which can be detachably coupled with a mount of an optical accessory, comprising:

• a plurality of electric connection terminals including power supply terminals, at least one of said connection terminals having a height arranged to differ from the height of other terminals in the contacting direction of said terminals, said plurality of electric connection terminals of said camera body being arranged to come into contact respectively with a plurality of electric connection terminals of said optical accessory;
• and
• means for holding said connection terminals of said camera body, said means for holding having an integral protruding part which is formed close to said electric connection terminals of said camera body and protrudes further than said terminals in the contacting direction of the terminals, wherein said protruding part is disposed closer to said optical axis than said electric connection terminals of said camera body.

An optical accessory mountable on a camera body, said accessory having an accessory mount which can be detachably coupled with a camera-body mount of the camera body, the camera body being provided with a protruding part arranged close to a plurality of body electric connection terminals of the camera body, the protruding part for protruding in the contacting direction of the body electric connection terminals, said optical accessory comprising:

• a plurality of accessory electric connection terminals including power supply receiving terminals, at least one of said accessory connection terminals having a height different from the height of other terminals in the contacting direction of said accessory electric connection terminals, said plurality of electric connection terminals of said optical accessory being arranged to come into contact with said plurality of electric connection terminals of the camera body when said accessory mount is coupled with the camera-body mount;
• and
• a cutout part formed in a position which corresponds to the protruding part of the camera body when said accessory mount is coupled with the camera body mount.