Pentax K-3 Mark III DSLR Camera Body Black Digital SLR Cameras 01050. The Pentax K-3 Mark III Camera (Black) has been completely overhauled with an all new 25.7 Megapixel Sensor with IBIS new 100% Pentaprism Finder new AF-System New Prime V Image engine and 4K/30p.. Pentax. 01050. 027075302303