Focus
Manual
Mount
Nikon F
Format
35mm full frame
Groups
5
Elements
9
Weight
300g
Length mm
80
Spec Notes
9/5, 180 degree CIRCULAR (small ~24mm image circle, does not fill the 35mm frame), fixed-focus. REQUIRES MIRROR LOCK-UP + accessory finder. Built-in filters. The first interchangeable fisheye for the Nikon F (1962-1965).
Diameter mm
82
Max Aperture
f/8
Introduced
1962