Features :
- 21 megapixel CMOS sensor (very similar to the sensor in the EOS-1Ds Mark III)
- Sensor dust reduction by vibration of filter
- ISO 100 – 6400 calibrated range, ISO 50 – 25600 expansion (1Ds Mark III & 5D max ISO 3200)
- Auto ISO (100 – 3200) in all modes except manual
- 3.9 frames per second continuous shooting
- DIGIC 4 processor, new menus / interface as per the EOS 50D
- Image processing features:
- Highlight tone priority
- Auto lighting optimizer (4 levels)
- High ISO noise reduction (4 levels)
- Lens peripheral illumination correction (vignetting correction)
- RAW and SRAW1 (10 MP) / SRAW2 (5 MP)
- RAW / JPEG selection made separately
- Permanent display of ISO on both top plate and viewfinder displays
- AF microadjustment (up to 20 lenses individually)
- Three custom modes on command dial, Creative Auto mode
- Image copyright metadata support
- 98% coverage viewfinder (0.71x magnification)
- 3.0″ 920,000 dot LCD monitor with ‘Clear View’ cover / coatings, 170° viewing angle
- Automatic LCD brightness adjustment (ambient light sensor)
- Live view with three mode auto-focus (including face detection)
- No mirror-flip for exposures in Live View if contrast detect AF selected
- Movie recording in live view (1080p H.264 up to 12 minutes, VGA H.264 up to 24 mins per clip)
- Two mode silent shooting (in live view)
- New jump options in play mode
- HDMI and standard composite (AV) video out
- Full audio support: built-in mic and speaker, mic-in socket, audio-out over AV (although not HDMI)
- IrPort (supports IR remote shutter release using optional RC1 / RC5 controllers)
- UDMA CompactFlash support
- New 1800 mAh battery with improved battery information / logging
- New optional WFT-E4 WiFi / LAN / USB vertical grip
- Water resistance: 10 mm rain in 3 minutes
