Macro Prime lenses for Pentax K-S1
The Pentax K-S1 utilizes the Pentax KAF2 mount & has a APS-C sized sensor. At this time, we have information on 3 Macro Prime lenses that will fit the K-S1.
The K-S1 has a crop factor of 1.5 so you should multiply the lens focal length with 1.5 to get it's full frame equivalence. You can simply click the 
image to visualize how the lens fits the K-S1.
We have also designed an Advanced Lens Search so you are able to uncover your perfect lens.
ModelVisualizeFocal LengthApertureStabilizedWeight
Venus Laowa 100mm F2.8 2X Ultra Macro APO100mmf/2.8638g
Venus Laowa 25mm F2.8 2.5-5X Ultra Macro25mmf/2.8400g
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Samsung D-Xenon 100mm F2.8 macro100mmf/2.8 345g