Telephoto Prime lenses for Olympus E-PM1
The Olympus PEN E-PM1 incorporates the Micro Four Thirds mount and has a Four Thirds sensor. At this moment, we have information on 16 Telephoto Prime lenses which will work with the E-PM1.
The E-PM1 offers a crop factor of 2.1 so you will have to multiply the lens focal length with 2.1 to see it's full frame equivalence. You can click on the 
image to visualize how the lens fits the E-PM1.
We have additionally created an Advanced Lens Search so you can easily find your ideal lens.
ModelVisualizeFocal LengthApertureStabilizedWeight
Panasonic Leica DG Nocticron 42.5mm F1.2 ASPH OIS43mmf/1.2 425g
Olympus M.Zuiko Digital ED 45mm F1.2 Pro45mmf/1.2410g
Samsung Releases Faster Versions of EVO MicroSD Cards
Samyang 50mm F1.2 AS UMC CS50mmf/1.2375g
Samyang MF 85mm F1.4 Mk285mmf/1.4548g
Rokinon 85mm F1.485mmf/1.4 539g
Samyang 85mm F1.4 Aspherical IF85mmf/1.4 539g
Photography Glossary
Olympus M.Zuiko Digital 45mm f1.845mmf/1.8 116g
Olympus M.Zuiko Digital ED 75mm f1.875mmf/1.8 305g
Olympus Zuiko Digital ED 150mm f2.0150mmf/2.0 1610g
Samyang 135mm F2.0 ED UMC135mmf/2830g
Samyang 135mm F2.0 ED UMC135mmf/2830g
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes
Sigma 60mm F2.8 DN60mmf/2.8 190g
Panasonic Leica DG Elmarit 200mm F2.8 Power OIS200mmf/2.8 1245g
Olympus Zuiko Digital 300mm f2.8300mmf/2.8 3290g
Olympus M.Zuiko Digital 300mm F4 IS Pro300mmf/4.0 1270g
Samyang Reflex 300mm f6.3 ED UMC CS300mmf/6.3 318g