We've been tracking the evolution of this camera series since the company first hit 1080p with its ContourHD line back in 2009.

ENGADGET: Contour+2 review: the best consumer helmet camera on the market

The third camera in its series, following the D5000 and the D5100, the Nikon D5200 offers a massive leap in image-quality.

ENGADGET: Nikon reveals D5200 SLR with D7000-taunting specs: 24MP sensor, 39-point AF, wireless port (hands-on)

By using this adapter to attach any K-mount lens onto a PENTAX Q series camera, the focal length of the lens is extended by approximately 5.5 times in the 35mm format.

ENGADGET: Pentax launches Q10 interchangeable lens camera, K-5 II and K-5 IIs flagship DSLRs