Focus
Manual
Mount
Minolta SR
Format
35mm full frame
Groups
9
Elements
10
Weight
340g
Filter Thread
55mm
Generation
MD
Production
1977–1979
Stabilized
No
Diameter mm
68
Max Aperture
f/2
Min Aperture
f/22
Min Focus Distance
30cm
Branding Note
Rokkor-X = North American branding; floating-element design
Weather Sealed
No
Aperture Blades
6
Introduced
1977
Focal Length (Max)
28mm
Focal Length (Min)
28mm