Photographing lens

摘要

A photographing lens includes a memory which stores lens data corresponding to a plurality of photographing conditions. An input and output device transmits and receives data to and from an external device. A photographing condition detector detects the photographing conditions of the photographing lens, while a data reader reads the lens data corresponding to the photographing condition data detected by the photographing condition detector or photographing condition data inputted through the input and output device from the memory to output the read data through the input and output device.