Lens
Llens
Summicron-M 50/2 (collapsible)
39mm filter · 234g
Focal length
50mm
Max Aperture
f/2
Weight
234g
Filter Thread
39mm
Min Focus Distance
100cm
Produced 1954–1957CameraQuest M-lens guidefirst M 50 Summicron, collapsible, 7 el
Date this from its serial number →Mount: Leica M — compatible with all Leica M-mount bodies.
Mount
Leica M
Notes
Bayonet M ~234g (screw-mount ~216g).
Groups
6
Elements
7
Weight
234g
Filter Thread
39mm
Max Aperture
f/2
Min Aperture
f/16
Min Focus Distance
100cm
Production End
1957
Aperture Blades
10
Introduced
1954
Focal Length (Max)
50mm
Focal Length (Min)
50mm
Production Start
1954