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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 Pentax *ist DS, DS2, D, DL, DL2, K10D, K20D, K100D, K110D, K200D, K100D Super,
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Amazon.com : Bower ABSPK Pentax K Mount to M42 Screw Mount Adapter : Camera Lens Adapters : Electronics
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Asahi Pentax Takumar 83mm F/1.9 Lens for M37 Mount w/ M42 Adapter from Japan (C1749) | Big Fish J-Camera (Big Fish J-Shop)
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