Canon EOS
40D
 vs
Canon EOS
7D

General

 Canon EOS 40D Canon EOS 7D
Brand
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 Canon Canon
Lowest price
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 $650.00 $1,549.00
Announced
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 August, 2007 September, 2009

Sensor
Type
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 CMOS CMOS
Size
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 APS-C 22.2x14.8mm APS-C 22.3x14.9mm
Crop factor
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 1.6x 1.6x
Megapixels
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 10.1 MP 17.9 MP
Light sensitivity
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 1,600 ISO 6,400 ISO
Light sensitivity (boost)
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 3,200 ISO 12,800 ISO
Sensor cleaning
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 Unknown Yes

Sensor (Advanced)
True resolution
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 10.1 MP 17.9 MP
Native resolution
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 3888 x 2592 5184 x 3456
Pixel size
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 32.6 µm² 18.5 µm²

Screen
Type
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 LCD LCD
Size
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 3.0" 3.0"
Resolution
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 230k dots 920k dots
Touch screen
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 No No
Flips out
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 No No
Live view
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 Yes Yes

Lenses
Lens availability
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 162 lenses 162 lenses
Lens focus motor
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 Yes Yes
Lens mount
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 Canon EF Canon EF

Form factor
Size
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 146x108x74 mm 148x111x74 mm
Depth
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 2.9" 2.9"
Weight
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 822 g 860 g
Interchangeable lenses
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 Yes Yes
Waterproof
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 No No
Weather sealed
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 No Yes

Viewfinder
Type
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 Pentaprism Pentaprism
Viewfinder size
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 0.59x 0.62x
Coverage
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 95% 100%

Movies
Format
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 None 1080p @ 30fps
Supports 24p
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 n/a Yes
High-speed framerate
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 n/a None
External mic jack
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 n/a Yes
Autofocus
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 None None
All formats
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 n/a 720p @ 25fps
720p @ 60fps
1080p @ 24fps
720p @ 30fps
480p @ 30fps
1080p @ 30fps
1080p @ 25fps
480p @ 25fps

Features
Panorama
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 No No
HDR
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 No No
3D
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 No No
Image stabilization
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 None None
Supports RAW
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 Yes Yes
GPS
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 No No

Performance
Startup delay
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 Unknown Unknown
Shutter lag
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 Unknown 131 ms
Battery life
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 Unknown 800 shots
Continuous shooting
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 6.5 fps 8 fps

Focus system
Autofocus
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 Contrast detection Phase detection
Focus points
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 Unknown 19
Cross type focus points
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 Unknown 19

Shutter
Max
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 1/8000s 1/8000s
Min
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 30s 30s

Flash
Built-in flash
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 Yes Yes
Popup
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 Yes Yes
External connection
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 Yes Yes

Storage
Storage slots
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 1 1
Supported formats
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 CompactFlash (Type I)
CompactFlash (Type II)		 CompactFlash (Type II)
CompactFlash (Type I)

DXO Mark Scores
Image quality
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 64.0 66.0
Color depth
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 22.1 bits 22 bits
Dynamic range
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 11.3 EV 11.7 EV
Low light performance
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 703 ISO 854 ISO