The followings are different from DiMAGE 7 series, 1. A new image engine is employed on ASIC chip. 2. With CxProcess II, improved on highly refined 14-bit A/D conversion, which provides impeccable detail in shadow and highlight areas, plus remarkably subtle gradations. (DiMAGE 7 series have 12-bit A/D conversion.) 3. Improved the AF speed (1.5 times faster than the DiMAGE 7Hi/7i) 4. With advanced 3-D AF system, improved the innovative subject tracking algorithm, which continues focusing on moving subject . 5. New Anti-shake system is employed. 6. Improved Super High Speed Shutter of 1/16,000 by the progressive scan CCD. 7. Improved Tiltable High-grade LCD Monitor, New Electronic Viewfinder: 235,000 pixels. 9. More comfortable operation with separate Exposure-mode dial and Custom white-balance button. 10.Speed up writing to external media for RAW image file (1.5 times faster than DiMAGE 7i/7Hi) 11. Improved the battery performance by dedicated lithium battery. 12. New Optional Accessories: Battery Pack BP-400 and Digital Utility Back DUB-100