| 摘要 |
PROBLEM TO BE SOLVED: To provide an accessory device which improves the availability by selectively adding auxiliary functions or extended functions without damaging the portability of an electronic camera. SOLUTION: An accessory 100 can be selectively set to the rear face of an electronic camera main body 1 to add auxiliary functions or extended functions to the main function of the electronic camera. An auxiliary memory unit 101, an LCD unit 102, an auxiliary battery unit 103, or an extension unit 104 where an auxiliary battery and an LCD is provided as the accessory 100. The accessory 100 is provided with a notched part for detection so that the classification of the unit can be discriminated on the electronic camera side.
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