Focus
Manual
Mount
Contax/Yashica
Format
35mm full frame
Groups
7
Coating
multi-coated
Elements
7
Weight
280g
Filter Thread
55mm
Spec Notes
AE (AEJ, Japan 1976-1984); MM (MMJ 1985-c.2000) — folded: aperture cam plus a significant optical redesign at MM whose specs are not separately published; element count unchanged.
Max Aperture
f/2.8
Min Focus Distance
25cm
Aperture Blades
6
Introduced
1976
Focal Length (Max)
28mm
Focal Length (Min)
28mm