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.
Samsung D-Xenon 100mm F2.8 macro100mmf/2.8 345g
Venus Laowa 25mm F2.8 2.5-5X Ultra Macro25mmf/2.8400g
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Venus Laowa 100mm F2.8 2X Ultra Macro APO100mmf/2.8638gTelephoto 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
Photobucket discusses licensing 13 billion images with AI firmsStandard Prime lenses for Pentax K-5
There are 2 Standard Prime lenses in our records. Complete List is provided here.
Irix 45mm F1.445mmf/1.4925g
Samsung D-Xenon 35mm F2 AL35mmf/2.0 195g
Pentax 17 Pre-Orders Outperform Expectations by a LandslideTelephoto Zoom lenses for Pentax K-5
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
HD Pentax DA 55-300mm F4.0-5.8 ED WR55-300mmf/4.0-5.8 466g
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Samsung D-Xenon 50-200 F4-5.6 ED50-200mmf/4.0-5.6 255g
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 16-45mm F416-45mmf/4.0 365g
Samsung D-Xenon 18-55mm F3.5-5.618-55mmf/3.5-5.6 225g
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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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