N°110155 · Family detail
PentaxMacro·M42 mount·1971
Asahi Super-Multi-Coated Macro-Takumar 50mm F/4
Specifications01
MountM42
Focal length50mm
Max aperturef/4
TypeMacro · Prime
Release year1971
Weight248 g
Filter size49 mm
Min focus distance0.234 m
Max magnification0.5
Aperture blades5
Optical elements4
Groups3
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
Lens hoodNot required
TeleconvertersNot available
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeMacro lens
Summary02
50mm prime macro lens for M42 mount. Maximum aperture is f/4 and it’s intended for close-up photography.
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.