Apo
Yes
Focus
Manual
Mount
M42
Notes
Quartz + fluorite elements (no conventional glass); apochromatic 400-850nm
Format
35mm full frame
Groups
5
Elements
5
Weight
825g
Filter Thread
58mm
Length mm
225
Generation
Ultra-Achromatic-Takumar
Stabilized
No
Diameter mm
68
Max Aperture
f/5.6
Min Aperture
f/22
Min Focus Distance
485cm
Weather Sealed
No
Aperture Blades
6
Introduced
1968
Focal Length (Max)
300mm
Focal Length (Min)
300mm