Amazon.com : Pentax K-r 12.4 MP Digital SLR Camera with 3.0-Inch LCD and 18-55mm f/3.5-5.6 and 55-300mm f/4-5.8 Lenses (Black) : Warehouse Deals : Electronics
Pentax K-r - Photo Review
Pentax K-r Review: Digital Photography Review
Camera firmware update for the Pentax K3 - YouTube
Pentax K-x - Wikipedia
Pentax K-r Firmware - Download - CHIP
New Gear: Pentax K-r DSLR | Popular Photography
Neue Firmware für Pentax K-01, K-5, K-30, K-r, K-5 II und K-5 IIs - digitalkamera.de - Meldung
Pentax K-5 Review | Happy
New K-r, K-01, K-30, K-5, and K-5 II/IIs Firmware - Firmware Updates | PentaxForums.com (Mobile)
Storing a Pentax camera for 2040 – Заметки белого тигра
Pentax K-r, K-5 and 645D Firmware Update Software Version 1.01 | ePHOTOzine
Pentax gives K-x and K-7 SDXC compatibility - CNET