abstract |
(57) Abstract: [PROBLEMS] To provide a camera with replaceable lenses that can reduce current consumption and that does not cause a deviation in defocus amount. When a switch S1 is on and an appropriate defocus amount cannot be obtained due to a low contrast or the like (S (YES in 248), the result of the "GETREQ" communication (S2 32) to determine (S260). If it is a permitting lens, the auxiliary light is turned on (S261). |