最吸引我的有下列幾點：
- 8.2 megapixel CMOS sensor - 1.6x multiplier, new NR, new microlenses
- Near instant power on time – around 0.2 sec compared to the EOS 10D’s 2.5 sec
- 5 fps continuous, 23 frames – can actually shoot for longer with a fast card
- All new 9 point AF system – better low light performance, much faster AF
- DIGIC II processor – same as EOS 1D Mark II, improved image quality
- Support for EF-S lenses – lens mount now has space for rear element of EF-S lens
- New multi-controller ‘joystick’ – nine-way joystick for AF point, panning, WB shift
其它特點：
- Faster top shutter speed - fastest shutter speed now up to 1/8000 sec
- Faster X-sync shutter speed – flash sync speed up to 1/250 sec
- Modified parameter sets - two presets, three custom, default +1, +1, +1
- Black & White mode
- Separate color space selection – sRGB / Adobe RGB via menu option
- True RAW + JPEG support – writes a .CR2 and .JPG for each shot taken
- New WB shift / WB bracketing screen – WB shift on two axis, new setup screen
- Control of Long exposure NR – long exposure noise reduction can be disabled by user
- Menu hints – to ensure you’re in the right mode after changing setting
- Record review histogram via INFO button – menu option has been removed
- USB 2.0 Hi-speed connectivity – the first Canon to support it, around 3.0 MB/sec
- PictBridge direct printing support – standard direct print support
- Support for DVK-E2 data verification kit – image authenticity with the verify kit
- New BG-E2 battery grip – slightly smaller, includes a six AA battery magazine
- Slightly smaller and lighter body - only a shave here or there but does feel smaller
- Higher pop-up flash – for better wide angle cover and red-eye performance
- Smaller mirror & new focusing screen – no need for such a large mirror, better MF
- CF activity light moved – no more holes in the CF compartment door
- Flush connectors cover – cover fits almost flush to the side of the camera
- Combined power & quick control dial lock – power switch now controls quick dial lock
- Updated menu design – more in line with newest PowerShot’s
- Backup battery moved to compartment – inside battery compartment
- Embossed Canon logo – last but not least!
- selectable color filter and toning