Telephoto Prime lenses for Samsung GX-1S
The Samsung GX-1S incorporates the Pentax KAF mount and has a APS-C sensor. At this moment, we have details of 10 Telephoto Prime lenses which will fit the GX-1S.
The GX-1S offers a crop factor of 1.5 so you should multiply the lens focal length with 1.5 to find it's full frame equivalent. You can simply click the 
symbol to visualize how the lens fits the GX-1S.
We have also designed an Advanced Lens Search so you can now find your perfect lens.
ModelVisualizeFocal LengthApertureStabilizedWeight
Carl Zeiss Planar T 1,48585mmf/1.4 700g
Rokinon 85mm F1.485mmf/1.4 539g
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes
Samyang 85mm F1.4 Aspherical IF85mmf/1.4 539g
Pentax smc FA 77mm 1.8 Limited77mmf/1.8 270g
HD Pentax-FA 77mm F1.8 Limited77mmf/1.8270g
Samyang 135mm F2.0 ED UMC135mmf/2830g
Pentax 17 Pre-Orders Outperform Expectations by a Landslide
Sigma 300mm F2.8 APO EX DG HSM300mmf/2.8 2400g
Pentax smc DA 200mm F2.8 ED IF SDM200mmf/2.8 825g
Voigtlander 90mm F3.5 APO-Lanthar SL II90mmf/3.5 320g
Sigma 500mm F4.5 EX DG HSM500mmf/4.5 3150g