Lens
Llens
Summicron-M 90/2 (v1)
48mm filter · 635g
Focal length
90mm
Max Aperture
f/2
Weight
635g
Filter Thread
48mm
Min Focus Distance
100cm
Produced 1957–1980CameraQuest M-lens guideintro 1957; large versions to the 1980 compact
Date this from its serial number →Mount: Leica M — compatible with all Leica M-mount bodies.
Mount
Leica M
Notes
Type I fat chrome (1957). Early production 15 blades; later 12. Weight ~635-650g.
Groups
5
Coating
single-coated
Elements
6
Weight
635g
Filter Thread
48mm
Length mm
102
Diameter mm
66
Max Aperture
f/2
Min Focus Distance
100cm
Production End
1980
Aperture Blades
15
Introduced
1957
Focal Length (Max)
90mm
Focal Length (Min)
90mm
Production Start
1957