Cameras

Canon EOS 40D vs Canon EOS 7D

Compare key differences and full specifications to find the camera that suits your photography.

Key differences

Best for

Larger prints and more cropping detail: Canon EOS 7D (18.0).

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Specification Canon EOS 40D Canon EOS 7D
General
Brand Canon Canon
Model EOS 40D EOS 7D
Year 2007 2009
Body
Dimensions 146 x 108 x 74 mm 148.2 x 110 x 73.5 mm
Weight 822 g 860 g
Sensor
Sensor type CMOS CMOS
Sensor size 22.2 x 14.8 mm 22.3 x 14.9 mm
Sensor resolution 3893 x 2595 5196 x 3464
Crop factor 1.62 1.61
Total megapixels 10.5 19.0
Effective megapixels 10.1 18.0
Image
Max. image resolution 3888 x 2592 5184 x 3456
ISO Auto, 100, 200, 400, 800, 1600, 3200 (H) Auto, 100, 200, 400, 800, 1600, 3200, 6400, (12800 with boost)
Exposure & Shutter
Min. shutter speed 30 sec 30 sec
Max. shutter speed 1/8000 sec 1/8000 sec
Metering Multi, Center-weighted, Spot Centre weighted, Evaluative, Spot, Spot-AF
Exposure compensation ±2 EV (in 1/3 EV, 1/2 EV steps) ±5 EV (in 1/3 EV, 1/2 EV steps)
Aperture priority Yes Yes
Shutter priority Yes Yes
White balance presets 6.0 6.0
Video
Max. video mode — 1920x1080 (30p/25p/24p)
Display & Viewfinder
Screen size 3" 3"
Screen resolution 230,000 dots 920,000 dots
Viewfinder Optical (pentaprism) Optical (pentaprism)
Storage & Connectivity
Storage types Compact Flash (Type I or II) CompactFlash type I, CompactFlash type II, Microdrive
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
Power
Battery Canon Lithium-Ion Lithium-Ion LP-E6 rechargeable battery
Lens & Focus
Digital zoom No No