N°110435 · Family detail
PentaxTelephoto·PENTAX K mount·1975
Smc Pentax 400mm F/5.6
Specifications01
MountPENTAX K
Focal length400mm
Max aperturef/5.6
TypeTelephoto · Prime
Release year1975
Weight1240 g
Filter size77 mm
Min focus distance8 m
Aperture blades10
Optical elements5
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring
Lens hoodBuilt-in telescopic round
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Field Notes02
Pentax K-mount SMC Super-Takumar/FA-style 400mm f/5.6 prime telephoto lens for distant subjects such as sports and wildlife.
AI-assisted summary — verify against linked sourcesOther Mounts03
No alternate mounts are indexed for this family yet.