Pentax Ricoh has introduced two K-mount DSLRs and one mirrorless camera. The K-50 and K-500 DSLRs both improve on the K-30, while still using the same sensor 16.5-megapixel APS-C sensor, while the mirrorless Q7 uses a larger 1/1.7-inch CMOS sensor than the Q10, though maintains the same 12.4-megapixel resolution.
