Patent ID: 7872684
Filing Date: 2011-01-18
Classification: G02B,G03B,H04N

Abstract:
1. A camera on which any of a plurality of lens apparatuses capable of focusing control can be selectively mounted, said camera comprising: a focus detection section which obtains first information used for the focusing control, using a light flux passing through the mounted lens apparatus; an obtaining section which obtains from the mounted lens apparatus (a) second information stored in a first storage section provided in the mounted lens apparatus, the second information being information obtained by having mounted the mounted lens apparatus on a reference camera other than said camera, and (b) individual information identifying the mounted lens apparatus, the individual information being stored in a memory provided in the mounted lens apparatus; a second storage section which stores (a) third information for correcting the first information, the third information being information obtained by having mounted on said camera a reference lens other than the mounted lens apparatus, and (b) correction information corresponding to the individual information; and a correction section which (1) corrects the first information based on (a) the second information, (b) the third information, and (c) the correction information corresponding to the individual information identifying the mounted lens apparatus, when the individual information obtained by the obtaining section is stored in the memory, and (2) corrects the first information based on (a) the second information and (b) the third information, when the individual information is not stored in the memory.