N°110424 · Family detail
PentaxTelephoto·PENTAX K mount·1977
Smc Pentax-M 400mm F/5.6
Specifications01
MountPENTAX K
Focal length400mm
Max aperturef/5.6
TypeTelephoto · Prime
Release year1977
Weight1220 g
Filter size77 mm
Min focus distance5 m
Aperture blades8
Optical elements5
Groups5
AutofocusNo
StabilizationNo
Lens hoodBuilt-in telescopic round
Teleconverters<No information>
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Pentax K-mount prime telephoto lens with a 400mm focal length and maximum aperture of f/5.6, intended for long-distance subjects such as wildlife and sports.
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Other Mounts03
No alternate mounts are indexed for this family yet.