Pentax K-5 Lenses
The Pentax K-5 incorporates the Pentax KAF2 mount & has a APS-C sized sensor. Currently, we have information on 17 lenses that will fit the K-5.
The K-5 has a crop factor of 1.5 so you have to multiply the lens focal length with 1.5 to get it's full frame equivalence. The listings below are separated by categories of lenses and you can just click the 
icon to view how the lens fits the K-5.
We have additionally built an Advanced Lens Search so you are able to find your perfect lens.
Macro Prime lenses for Pentax K-5
There are 3 Macro Prime lenses in our records. Complete List is provided here.
Venus Laowa 25mm F2.8 2.5-5X Ultra Macro25mmf/2.8400g
Venus Laowa 100mm F2.8 2X Ultra Macro APO100mmf/2.8638g
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Samsung D-Xenon 100mm F2.8 macro100mmf/2.8 345gTelephoto Prime lenses for Pentax K-5
There are 2 Telephoto Prime lenses in our records. Complete List is provided here.
Venus Laowa 105mm F2 Smooth Trans Focus105mmf/2745g
Pentax smc DA 300mm F4.0 ED IF SDM300mmf/4.0 1070g
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There are 2 Standard Prime lenses in our records. Complete List is provided here.
Samsung D-Xenon 35mm F2 AL35mmf/2.0 195g
Irix 45mm F1.445mmf/1.4925g
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There are 4 Telephoto Zoom lenses in our records. Complete List is provided here.
Pentax smc DA 50-135mm F2.8 ED IF SDM50-135mmf/2.8 685g
Samsung D-Xenon 50-200 F4-5.6 ED50-200mmf/4.0-5.6 255g
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HD Pentax DA 55-300mm F4.0-5.8 ED WR55-300mmf/4.0-5.8 466g
Pentax smc DA 60-250mm F4.0 ED IF SDM60-250mmf/4.0 1040gStandard Zoom lenses for Pentax K-5
There are 3 Standard Zoom lenses in our records. Complete List is provided here.
Samsung D-Xenon 18-55mm F3.5-5.618-55mmf/3.5-5.6 225g
Samsung D-Xenon 16-45mm F416-45mmf/4.0 365g
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Pentax smc DA 16-50mm F2.8 ED AL IF SDM16-50mmf/2.8 565gSuperZoom lenses for Pentax K-5
There are 1 SuperZoom lenses in our records. Complete List is provided here.
Samsung D-Xenon 18-250mm F3.5-6.318-250mmf/3.5-6.3 455gWideangle Zoom lenses for Pentax K-5
There are 2 Wideangle Zoom lenses in our records. Complete List is provided here.
Samsung D-Xenon 12-24mm F4 ED12-24mmf/4.0 430g
Samsung D-Xenon 10-17mm F3.5-4.5 Fisheye10-17mmf/3.5-4.5 320g
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