Focus
Manual
Mount
Nikon F
Format
35mm full frame
Groups
2
Elements
3
Weight
9900g
Length mm
485
Spec Notes
Catadioptric mirror, FIXED f/6.3 (3/2). Giant special-order lens; built-in 52mm filter.
Diameter mm
232
Max Aperture
f/6.3
Min Focus Distance
3000cm
Introduced
1959