Focus
Manual
Mount
M42
Format
35mm full frame
Groups
5
Coating
Super-Multi-Coated
Elements
5
Weight
946g
Filter Thread
77mm
Length mm
186.5
Generation
Super-Multi-Coated (spans Super-Takumar to SMC)
Stabilized
No
Diameter mm
85
Max Aperture
f/4
Min Aperture
f/22
Min Focus Distance
550cm
Weather Sealed
No
Aperture Blades
6
Introduced
1965
Focal Length (Max)
300mm
Focal Length (Min)
300mm