The product is discount for sale during china 2016 National's Day , purchase to visit : www.saleholy.com The main performance Release Date : February 2014 Product Type : Digital SLR Product Positioning: high-end SLR Operation: full manual operation Sensor size: full frame ( 36.0 * 23.9 ) Sensor Description : Clean image sensor , Image Dust Off reference data The maximum number of pixels: 16,610,000 Effective pixels: 16,230,000 Image Processor : EXPEED 4 The maximum resolution : 4928 × 3280 Image Resolution : (36 × 23.9) image area 4928 × 3280 (L) 3696 × 2456 (M)