Telephoto Zoom lenses for Pentax K10D
The Pentax K10D uses the Pentax KAF2 mount and has a APS-C sized sensor. At the moment, we have information on 4 Telephoto Zoom lenses that will suit the K10D.
The K10D offers a crop factor of 1.5 so you have to multiply the lens focal length with 1.5 to see it's full frame equivalence. You can click on the 
image to visualize how the lens fits the K10D.
We have additionally created an Advanced Lens Search so you can now uncover your ideal lens.
ModelVisualizeFocal LengthApertureStabilizedWeight
Pentax smc DA 50-135mm F2.8 ED IF SDM50-135mmf/2.8 685g
HD Pentax DA 55-300mm F4.0-5.8 ED WR55-300mmf/4.0-5.8 466g
Pentax 17 Pre-Orders Outperform Expectations by a Landslide
Pentax smc DA 60-250mm F4.0 ED IF SDM60-250mmf/4.0 1040g
Samsung D-Xenon 50-200 F4-5.6 ED50-200mmf/4.0-5.6 255g