Pentax K-3 III Lenses
The Pentax K-3 Mark III utilizes the Pentax KAF2 mount & has a APS-C sensor. Right now, we have details of 17 lenses which will fit the K-3 III.
The K-3 III has a crop factor of 1.6 so you will have to multiply the lens focal length with 1.6 to get it's full frame equivalent. The listings underneath are broken up by types of lenses and you can simply click the 
symbol to visualize how the lens fits the K-3 III.
We have additionally created an Advanced Lens Search so you can uncover your perfect lens.
Macro Prime lenses for Pentax K-3 III
We have 3 Macro Prime lenses in our records. Entire List is can be seen here.
Venus Laowa 100mm F2.8 2X Ultra Macro APO100mmf/2.8638g
Samsung D-Xenon 100mm F2.8 macro100mmf/2.8 345g
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Venus Laowa 25mm F2.8 2.5-5X Ultra Macro25mmf/2.8400gTelephoto Prime lenses for Pentax K-3 III
We have 2 Telephoto Prime lenses in our records. Entire List is can be seen here.
Venus Laowa 105mm F2 Smooth Trans Focus105mmf/2745g
Pentax smc DA 300mm F4.0 ED IF SDM300mmf/4.0 1070g
President Biden pushes bill mandating TikTok sale or banStandard Prime lenses for Pentax K-3 III
We have 2 Standard Prime lenses in our records. Entire List is can be seen here.
Samsung D-Xenon 35mm F2 AL35mmf/2.0 195g
Irix 45mm F1.445mmf/1.4925g
Photography GlossaryTelephoto Zoom lenses for Pentax K-3 III
We have 4 Telephoto Zoom lenses in our records. Entire List is can be seen here.
HD Pentax DA 55-300mm F4.0-5.8 ED WR55-300mmf/4.0-5.8 466g
Pentax smc DA 50-135mm F2.8 ED IF SDM50-135mmf/2.8 685g
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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-3 III
We have 3 Standard Zoom lenses in our records. Entire List is can be seen 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-3 III
We have 1 SuperZoom lenses in our records. Entire List is can be seen here.
Samsung D-Xenon 18-250mm F3.5-6.318-250mmf/3.5-6.3 455gWideangle Zoom lenses for Pentax K-3 III
We have 2 Wideangle Zoom lenses in our records. Entire List is can be seen here.
Samsung D-Xenon 10-17mm F3.5-4.5 Fisheye10-17mmf/3.5-4.5 320g
Samsung D-Xenon 12-24mm F4 ED12-24mmf/4.0 430g
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