PHOTOGRAPHING LENS, PHOTOGRAPHING DEVICE, AND PHOTOGRAPHING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a photographing lens capable of detecting changes in photographer's biological information.SOLUTION: A photographing lens 3 is provided with a lens side biological sensor part 8 (8A-8C) capable of detecting changes in photographer's mental sweating information. A photographing device main unit for exchanging the photographing lens is provided with a camera side biological sensor part capable of detecting the changes in the photographer's mental sweating information. On the basis of output of the sensor parts, the photographer's biological information is calculated and obtained to perform control such as settings or operation assistance of a camera system during photographing.