Sigma fp Mirrorless Digital Camera Body with 64GB Extreme PRO SD Card, Spare Battery/Charger Set and Software BundleThe Sigma fp is the world's smallest and lightest full frame mirrorless camera. It employs a back illuminated 35mm full frame Bayer sensor with 24. 6 effective megapixels for high quality images. Covered on the front and back sides with die cast aluminum alloy for its superior robustness and thermal conductivity, the compact body of the Sigma fp is built with a signature heat sink structure and sealing on 42 points for a dust and splash proof