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Falk Lumo -- Pentax K-5 hands-on preview
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Pentax K-5 Review | Photography Blog
New Firmware Adds Support for Pentax Teleconverter - Firmware Updates | PentaxForums.com (Mobile)
Camera firmware update for the Pentax K3 - YouTube
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Review: Pentax K-5 II & K-5 IIs - The Phoblographer
Pentax K-5 II Review
Pentax K-5 II Review
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Pentax announces firmware updates: v1.03 for K-5 and v1.02 for 645D - Photo Rumors
