N°9519944 · Family detail
PentaxMacro·M42 mount·1964
Pentax Macro-Takumar 50mm F/4
Specifications01
MountM42
Focal length50mm
Max aperturef/4
TypeMacro · Prime
Release year1964
Weight265 g
Filter size49 mm
Physical length55 mm
Min focus distance0.21 m
Optical elements4
Groups3
Min aperturef/22
Additional Info02
ModelMacro-Takumar
FormatFull-Frame
SeriesM42 Series
Squeezenone
Iris Blades8
Release Date1964
Data Protocolnone
Focus Zoom Rodnone
Front Diameter Mm60
Summary02
Pentax Macro-Takumar 50mm F/4 is an M42-mount macro prime for close-up photography. It uses a fixed focal length and a maximum aperture of f/4 for general macro use.
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.
Sources03
cinelenswiki.comVisit ↗
Other Mounts03
No alternate mounts are indexed for this family yet.