Patent ID: 9380217
Filing Date: 2016-06-28
CPC Classification: G03B,H04N

Claim Text:
1. A camera system comprising: a lighting device, wherein the lighting device comprises a flash unit, a movable unit including the flash unit, a detection unit configured to detect information indicating a position of the movable unit, and a transmission unit configured to transmit position information based on information detected by the detection unit to an imaging apparatus; and the imaging apparatus, wherein the imaging apparatus comprises a calculation unit configured to calculate amount of light emission of the flash unit, and a reception unit configured to receive the position information from the lighting device, wherein, in a case where the position information received by the reception unit indicates a reference position, the calculation unit calculates the amount of the light emission according to a reflectance ratio of an object existing in a photographing area, and wherein, in a case where the position information received by the reception unit does not indicate the reference position, the calculation unit calculates the amount of the light emission without the reflectance ratio of the object.