N°418270 · Family detail
PentaxMirror·PENTAX K mount·1984
Pentax SMC 400-600mm F/8-12 Reflex
Specifications01
MountPENTAX K
Focal length400-600mm
Max aperturef/8
TypeMirror · Telephoto · Zoom
Release year1984
Weight730 g
Filter size67 mm
Physical length108 mm
Min focus distance3 m
Max magnification0.4
Optical elements12
Groups7
Min aperturef/8
AutofocusNo
StabilizationNo
Aperture controlNone
Lens hoodH-R67 - Screw-type round
TeleconvertersPentax Rear Converter-A 1.4X-L→ 560-840mm F/11.2-16.8
Pentax Rear Converter-A 2X-S→ 800-1200mm F/16-24
EraFilm era
Production statusDiscontinued
Additional Info02
ModelSMC
FormatFull-Frame
SeriesK Series Reflex
Squeezenone
Lens TypeTelephoto zoom lens
Release Date1984
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm82
Field Notes02
Pentax K-mount reflex super-telephoto zoom lens with a 400–600mm focal range and variable f/8–f/12 maximum aperture, intended for distant subjects such as sports or wildlife.
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Other Mounts03
No alternate mounts are indexed for this family yet.