N°98566 · Family detail
PentaxFisheye·M42 mount·1973
Asahi Super-Multi-Coated Fisheye-Takumar 17mm F/4
Specifications01
MountM42
Focal length17mm
Max aperturef/4
TypeFisheye · Wide · Prime
Release year1973
Weight228 g
Min focus distance0.2 m
Aperture blades6
Optical elements11
Groups7
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodNot available
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeFisheye lens
Summary02
Pentax (Asahi) M42-mount fisheye prime lens with 17mm focal length and maximum aperture of f/4. Intended for ultra-wide, distorted fisheye perspectives for landscapes or creative effects.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The M42 screw 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
- Many M42 lenses close the aperture only when a pin at the rear is pressed. Use an adapter that presses the pin, or set the A/M switch to M.
- 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
Covers full-frame: it can vignette on a medium format sensor.
- 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.
Other Mounts03
No alternate mounts are indexed for this family yet.