The newly developed 'GR LENS 18.3mm f/2.8' (equivalent to 28mm full-frame) offers high image quality. A new back-illuminated 25.7-millimeter APS-C sensor with high sensitivity and low noise. Newly developed image processing engine "GR ENGINE 7". Advanced original shake reduction mechanism. Advanced AF system with minimal startup time and fast autofocus operation. Slim body for better grip and enhanced performance.