Focus
Manual
Mount
M42
Format
35mm full frame
Groups
10
Coating
Super-Multi-Coated
Elements
11
Weight
246g
Filter Thread
58mm
Length mm
45
Generation
Super-Multi-Coated (spans Super-Takumar to SMC)
Stabilized
No
Max Aperture
f/4.5
Min Aperture
f/16
Min Focus Distance
20cm
Weather Sealed
No
Aperture Blades
5
Introduced
1968
Focal Length (Max)
20mm
Focal Length (Min)
20mm