Focus
Manual
Mount
M42
Format
35mm full frame
Groups
4
Coating
Super-Multi-Coated
Elements
4
Weight
3500g
Filter Thread
49mm
Length mm
440
Generation
Super-Multi-Coated (spans Takumar preset to SMC)
Stabilized
No
Diameter mm
126.5
Filter Note
49mm rear drop-in
Max Aperture
f/4.5
Min Aperture
f/45
Min Focus Distance
1000cm
Weather Sealed
No
Aperture Blades
10
Introduced
1966
Focal Length (Max)
500mm
Focal Length (Min)
500mm