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Pentax Mount Adapter K (M42 Screwmount to K Mount) Reviews - Pentax K-mount Teleconverters and Adapters - Pentax Lens Reviews & Lens Database
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Amazon.com : Astromania T-Ring and M42 to 1.25" Telescope Adapter (T-Mount) for 42mm Pentax-k SLR/DSLR Telescope Cameras.(for Camera K-x, K-r, K-01, K-30, K20D, K200D, K2000, K1000, K100D Super, K110D, Etc). : Electronics
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T Ring For Pentax K Camera Lens + 2inch To T2 M42*0.75 Thread Telescope Mount Adapter - Black - Lens Adapter - AliExpress
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Amazon.com : Fotodiox Pro Lens Mount Adapter - M42 Screw Mount SLR Lens to Pentax K (PK) Mount SLR Camera Body : Electronics
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Pentax Mount Adapter K (M42 Screwmount to K Mount) Reviews - Pentax K-mount Teleconverters and Adapters - Pentax Lens Reviews & Lens Database
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Amazon.com : Fotodiox Lens Mount Adapter (Blk), M42 Lens (42mm thread Mount) Lens to Pentax (PK) Camera, fits Pentaxist DS, DS2, D, DL, DL2, K10D, K20D, K100D, K110D, K200D, K100D Super, K-5,
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