Focus
Manual
Macro
Yes
Mount
M42
Notes
Bellows-only head (no helicoid)
Format
35mm full frame
Groups
3
Coating
single-coated
Elements
5
Weight
139g
Filter Thread
49mm
Length mm
36
Generation
Bellows-Takumar (spans to SMC Bellows)
Stabilized
No
Max Aperture
f/4
Min Aperture
f/22
Weather Sealed
No
Aperture Blades
8
Introduced
1964
Focal Length (Max)
100mm
Focal Length (Min)
100mm