N°242963 · Family detail
RodenstockTelephoto·M42 mount·1956
Rodenstock ROTELAR 135mm F/4
Specifications01
MountM42
Focal length135mm
Max aperturef/4
TypeTelephoto · Prime
Release year1956
Min focus distance2.4 m
Aperture controlAperture ring (Manual settings only)
Sensor coverage35mm full frame
Production statusDiscontinued
Additional Info02
ClassSlow full-frame medium telephoto prime lens
Focus TypeAutofocus
Accessories<No data>
Focus ModesManual focus only
Angle Of View18.2° (35mm full frame)
Original NameRodenstock-Rotelar 1:4 f=135mm
Detail HeadingRodenstock ROTELAR 135mm F/4
Diaphragm TypeAutomatic (A)
Mount And FlangeExakta [44.7mm]
Country Of DesignFRG (Federal Republic of Germany)
Manual Focus ControlFocusing ring
Physical Characteristics<No data>
Summary02
Rodenstock ROTELAR is a 135mm telephoto lens for M42 screw mounts, with a fixed f/4 maximum aperture. It is intended for portrait/telephoto work where moderate tele reach and a relatively fast aperture are needed.
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
lens-db.comVisit ↗

Other Mounts03
No alternate mounts are indexed for this family yet.