See detail @@@ http://www.amazon.com/Canon-T3i-Digital-Imaging-18-55mm/dp/B004J3V90Y%3FSubscriptionId%3D0T5CXA579RNJQCXX4GG2%26tag%3Dyousale-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB004J3V90Y
The EOS Rebel T3i has a 18.0 Megapixel CMOS (Complementary Metal Oxide Semiconductor) sensor captures images with exceptional clarity and tonal range and offers more than enough resolution for big enlargements or crops. This first-class sensor features many of the same new technologies as used by Canon's professional cameras to maximize each pixel's light gathering efficiency. Its APS-C size sensor creates an effective field of view 1.6 x size (compared to 35mm format).DIGIC 4 Image Processor
The Canon DIGIC 4 Image Processor dramatically speeds up the entire EOS Rebel T3i DSLR camera operations for intuitive operation and offers improvements in terms of detail and natural color reproduction.