Focus
Manual
Mount
M42
Format
35mm full frame
Groups
3
Fisheye
Yes
Elements
4
Weight
96g
Length mm
22.5
Generation
Takumar (preset, Waterhouse stops)
Stabilized
No
Max Aperture
f/11
Min Aperture
f/32
Weather Sealed
No
Introduced
1962
Focal Length (Max)
18mm
Focal Length (Min)
18mm