Body material

Magnesium alloy (exterior, chassis and mirror box)

Sensor *

• 36 x 24 mm CMOS sensor
• Full 35 mm size frame
• RGB Color Filter Array
• Built-in fixed low-pass filter (with self-cleaning unit)
• 21.9 million total pixels
• 21.1 million effective pixels
• 6.4 µm pixel pitch
• 3:2 aspect ratio

Image processor *

Dual DIGIC III

A/D conversion *

14 bit

Image sizes (JPEG) *

• 5616 x 3744 (L; 21.0 MP)
• 4992 x 3328 (M1; 16.6 MP)
• 4080 x 2720 (M2; 11.0 MP)
• 2784 x 1856 (S; 5.2 MP)

Image sizes (RAW) *

• 5616 x 3744 (RAW; 21.0 MP)
• 2784 x 1856 (sRAW; 5.2 MP)

File formats

• RAW (.CR2; 14-bit)
• JPEG (EXIF 2.21) - Fine / Normal
• RAW + JPEG (separate files)

File sizes (approx.) *

• JPEG L: 6.4 MB
• JPEG M1: 5.2 MB
• JPEG M2: 3.9 MB
• JPEG S: 2.2 MB
• RAW: 25.0 MB
• sRAW: 14.5 MB

JPEG quality options

Each JPEG size (L, M1, M2, S) can be set to a quality level of 1 to 10 (1 high compression, low quality - 10 low compression, high quality)

Lenses

• Canon EF lens mount (does not support EF-S lenses)
• No field of view crop (1.0x)

Dust reduction *

• "EOS Integrated Cleaning System"
• Self-cleaning sensor unit (filter in front of sensor vibrates at high frequency at start-up and shutdown - can be disabled)
• Dust Delete Data - Data from a test shot is used to 'map' dust spots and can be later removed using Canon DPP Software

Auto focus

• 45-point TTL
• 19 cross-type points, require F2.8 or faster lens *
• Center cross-type point requires F4.0 or faster lens
• 26 assist points, require F5.6 or faster lens *
• TTL-AREA-SIR with a CMOS sensor
• AF working range: -1.0 to 18 EV (at 23°C, ISO 100)