Lens
Llens
Elmar-M 50/2.8 (retro collapsible, 11831)
39mm filter · 170g
Focal length
50mm
Max Aperture
f/2.8
Weight
170g
Filter Thread
39mm
Min Focus Distance
70cm
Produced 1994–2007 · low confidenceBlue Moon Codexend ~2007, unverified
Date this from its serial number →Mount: Leica M — compatible with all Leica M-mount bodies.
Mount
Leica M
Notes
Elmar-M retro collapsible (1994-2007). 6 blades. Length 21.6mm collapsed / 37.6mm extended.
Groups
3
Elements
4
Weight
170g
Filter Thread
39mm
Diameter mm
52
Max Aperture
f/2.8
Min Aperture
f/16
Min Focus Distance
70cm
Production End
2007
Aperture Blades
6
Introduced
1994
Focal Length (Max)
50mm
Focal Length (Min)
50mm
Production Start
1994