N°104270 · Family detail
JupiterPortrait·M39 mount·1951
Jupiter-9 85mm F/2 LSM
Specifications01
MountM39
Focal length85mm
Max aperturef/2
TypePortrait · Telephoto · Prime
Release year1951
Weight335 g
Filter size49 mm
Min focus distance1.15 m
Aperture blades15
Optical elements7
Groups3
AutofocusNo
StabilizationNo
Aperture controlAperture ring
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeShort telephoto prime lens
Field Notes02
Jupiter-9 is a fast 85mm prime lens for M39 (39mm screw mount), typically used for portrait and general low-light work at up to f/2. It is a manual-focus design.
AI-assisted summary — verify against linked sourcesOther Mounts03
No alternate mounts are indexed for this family yet.