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PK Extension Tube Macro Ring Compatible with for Pentax K-mount Lens K-5/K-7/K-X/K-r K-01 K-30 K110D K50 Camera
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Amazon.com : D-LI109 Battery + Charger for Pentax SLR, Pentax KR, Pentax K-R, Pentax K-50, Pentax K50, Pentax K-30, Pentax K30, Pentax K-S1 KS1 K-500 : Camera & Photo
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