N°100011 · Family detail
MirWide·M42 mount
Mir-47 20mm F/2.5 MC
Specifications01
MountM42
Focal length20mm
Max aperturef/2.5
TypeWide · Prime
Weight420 g
Filter size27 mm
Min focus distance0.3 m
Aperture blades6
Optical elements10
Groups9
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeUltra-wide angle prime lens
Field Notes02
M42-mount 20mm prime lens, 2.5 max aperture. Manual-focus wide-angle lens intended for general wide views, including landscape and astrophotography-style use on compatible cameras.
AI-assisted summary — verify against linked sourcesOther Mounts03
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