Lens
Llens
Summicron-M 50/2 (Dual Range)
39mm filter · 339g
Focal length
50mm
Max Aperture
f/2
Weight
339g
Filter Thread
39mm
Min Focus Distance
48cm
Produced 1956–1968CameraQuest M-lens guiderigid optics + near-focus range + goggles; catalog-split flagged (shares optics w/ Rigid)
Date this from its serial number →Mount: Leica M — compatible with all Leica M-mount bodies.
Mount
Leica M
Notes
Near range 0.48m with goggles (+53g).
Groups
6
Elements
7
Weight
339g
Filter Thread
39mm
Max Aperture
f/2
Min Aperture
f/16
Min Focus Distance
48cm
Production End
1968
Aperture Blades
10
Introduced
1956
Focal Length (Max)
50mm
Focal Length (Min)
50mm
Production Start
1956