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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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Just announced: new Leica M rangefinder camera adapter for 50mm M42 and Pentax K lenses - Leica Rumors
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Pentax M42 to K Mount Adapter (Genuine / Original Pentax product) - Extension Tubes & Lens Adapters - ShaShinKi
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Fotodiox Lens Mount Adapter, M42 (42mm Thread Mount) Lens to Pentax K Cameras Such as Pentax K-7, K-x, K-r, K-5, K-01 & K-30 : Amazon.ca: Electronics
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M42-Pentax For M42 (42x1) lens - Pentax K Macro Mount Adapter Ring M42-K M42-KAF M42-KAF2 KA for Pentax K1 K3 K5 K7 K30 K50 etc.
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