Focus
Manual
Mount
M42
Format
35mm full frame
Groups
7
Coating
Super-Multi-Coated
Elements
7
Weight
209g
Filter Thread
49mm
Length mm
41.7
Generation
Super-Multi-Coated (spans Super-Takumar Model I/II to SMC)
Stabilized
No
Radioactive
No
Max Aperture
f/3.5
Min Aperture
f/16
Min Focus Distance
43cm
Weather Sealed
No
Aperture Blades
5
Introduced
1962
Focal Length (Max)
28mm
Focal Length (Min)
28mm