Pentax uses Sony sensors as well, and has a much much more limited, and more expensive lens selection. The Sony A560, A580, A33, A35, A55, A65 and A77 cameras all do 1080P video as well. For instance, Pentax doesn't currently offer a 50mm 1.8 lens, and the 20 year old one you can find on the used market sells for $150+.…