Focus
Manual
Mount
M42
Format
35mm full frame
Groups
7
Coating
Super-Multi-Coated
Elements
8
Weight
240g
Filter Thread
49mm
Length mm
54
Generation
Super-Multi-Coated (Model 2, spans Super-Takumar to SMC)
Stabilized
No
Radioactive
Yes
Max Aperture
f/2
Min Aperture
f/16
Min Focus Distance
40cm
Weather Sealed
No
Aperture Blades
6
Introduced
1967
Focal Length (Max)
35mm
Focal Length (Min)
35mm