Lens
Llens
Elmar-M 90/4
39mm filter · 337g
Focal length
90mm
Max Aperture
f/4
Weight
337g
Filter Thread
39mm
Min Focus Distance
100cm
Produced 1954–1968 · low confidenceWikipedia; CameraQuest ("from the 50s")span not cleanly sourced; verify before publish
Date this from its serial number →Mount: Leica M — compatible with all Leica M-mount bodies.
Mount
Leica M
Notes
Version ambiguity: DB weight 337g matches the RIGID Elmar-M 90/4 (~340g); the 1954 collapsible is ~269g. filter Mm 39 commonly cited but not firmly published (low confidence). Aperture blade count not published.
Groups
3
Elements
4
Weight
337g
Filter Thread
39mm
Max Aperture
f/4
Min Aperture
f/32
Min Focus Distance
100cm
Production End
1968
Introduced
1954
Focal Length (Max)
90mm
Focal Length (Min)
90mm
Production Start
1954