N°102823 · Family detail
HeliosPortrait·PENTAX K mount
Helios-44K-4 58mm F/2 [MC]
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
Summary02
Helios-44K-4 is a 58mm prime manual-focus lens for the Pentax K mount with a maximum aperture of f/2. It’s typically used for general photography and portraits, including low-light use.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
- Pentax DA lenses are made for APS-C.
- Sony EAdapter · 27.46 mm
- Canon RFAdapter · 25.46 mm
- Nikon ZAdapter · 29.46 mm
- Fujifilm XAdapter · 27.76 mm
- L-MountAdapter · 25.46 mm
- Micro Four ThirdsAdapter · 26.21 mm
- Fujifilm G (GFX)Adapter · 18.76 mm
- Canon EF-MAdapter · 27.46 mm
- Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.
No plain adapter reaches infinity focus on: Nikon F.
![Helios-44K-4 58mm F/2 [MC]](https://img.lens-database.com/lenses/variants/v1/69490915785941eb35cb7e9f6e5c484ebc0aa3b524085604eb5743b2edca17f7/62394563ea0d752930a02407ed116e6e44b7fe6910a50f629fd24a1b129e6fd6/1200x1600/1280.webp)
Other Mounts03
No alternate mounts are indexed for this family yet.