N°110317 · Family detail
PentaxTelephoto·PENTAX 645 mount·1997
Smc Pentax-FA 645 400mm F/5.6 ED
Specifications01
MountPENTAX 645
Focal length400mm
Max aperturef/5.6
TypeTelephoto · Prime
Release year1997
Weight1260 g
Filter size77 mm
Min focus distance3 m
Max magnification0.1401
Aperture blades8
Optical elements7
Groups6
AutofocusYes
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBayonet-type PH-RBE77 (round
With filter access window)
Teleconverters●Pentax Rear Converter-A 645 1.4X→ 560mm F/7.8
●Pentax Rear Converter-A 645 2X→ 800mm F/11.2
EraFilm era
Additional Info02
Lens TypeMedium telephoto prime lens
Field Notes02
Pentax 645-format fixed 400mm f/5.6 ED [IF] prime telephoto lens for distant subjects. Uses an integrated focusing design for faster focusing compared with non-IF tele lenses.
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Other Mounts03
No alternate mounts are indexed for this family yet.