Patent ID: 11868028
Assignee: NIKON CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 13:
14. An accessory removably attachable to a camera body and including a plurality of terminals configured to come into contact with a plurality of terminals of the camera body, the accessory comprising:
a detection terminal by which the camera body detects that the accessory is attached to the camera body;
a power supply terminal group that consists of (a) a power supply terminal through which a first power supply voltage is supplied from the camera body; and (b) a ground terminal used as a ground terminal;
a voltage conversion circuit that converts the first power supply voltage into a second power supply voltage;
a first circuit to which the first power supply voltage is supplied through the power supply terminal; and
a second circuit to which the second power supply voltage from the voltage conversion circuit is supplied, wherein:
the ground terminal is used as a ground potential for the first circuit and the second circuit, and
the plurality of terminals of the accessory includes the detection terminal and the power supply terminal group that are arranged in order from one end of the plurality of terminals, with the detection terminal located at the one end of the plurality of terminals and the power supply terminal group located adjacent to the detection terminal.