N°199455 · Family detail
HeliosPortrait·PENTAX K mount
Helios-44K-4 58mm F/2
Specifications01
MountPENTAX K
Focal length58mm
Max aperturef/2
TypePortrait · Prime
Weight300 g
Filter size52 mm
Min focus distance0.5 m
Aperture blades6
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Helios-44K-4 is a manual-focus 58mm f/2 prime for the Pentax K mount, intended for portrait-style photography. It’s a classic fast normal lens for low-light use.
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Other Mounts03
No alternate mounts are indexed for this family yet.