Canon Data Back FN brand_Visibledust It records a 170 degree

It records a 170 degree image from corner to corner with all the circular distortion you'd expect from a fisheye

It features a microphone input

Fits the Nikon FE/FM and Nikon F very well

lens is clear

high quality loupe

Canon Data Back FN brand_Visibledust It records a 170 degreeThe Canon Data Back FN attaches to a Canon New F 1 camera (not included) and provides basic three field data imprinting capability. The "Year" field includes years from 82 to 92, plus 0 8, a g, and I to IX. "Month" has 12 months, plus A to G, and the "Day" field has 31 numbers. In very good condition, with minor cosmetic wear. Includes box and case.