Focus
Manual
Mount
Nikon F
Format
35mm full frame
Groups
7
Elements
9
Filter Thread
52mm
Spec Notes
9/7, fast wide standard. Single-coated Nikkor-N (1970) -> multicoated N.C (1972) -> K -> AI; optics unchanged. 7 blades. Early N.C carries a thoriated (mildly radioactive) rear element.
Max Aperture
f/1.4
Min Focus Distance
30cm
Aperture Blades
7
Introduced
1970