General |
Canon EOS 5D Mark II |
Sony Alpha DSLR-A850 |
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Brand |
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Canon |
Sony |
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Lowest price |
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$2,198.00 |
$2,899.99 |
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Announced |
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September, 2008 |
August, 2009 |
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Sensor |
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Type |
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CMOS |
CMOS |
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Size |
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Full frame 36.0x24.0mm |
Full frame 35.9x24.0mm |
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Crop factor |
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1x |
1x |
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Megapixels |
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21 MP |
24.4 MP |
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Light sensitivity |
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6,400 ISO |
3,200 ISO |
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Light sensitivity (boost) |
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25,600 ISO |
6,400 ISO |
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Sensor cleaning |
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Yes |
Yes |
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Sensor (Advanced) |
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True resolution |
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21 MP |
24.4 MP |
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Native resolution |
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5616 x 3744 |
6048 x 4032 |
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Pixel size |
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41.1 µm² |
35.3 µm² |
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Screen |
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Type |
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LCD |
LCD |
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Size |
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3.0" |
3.0" |
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Resolution |
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920k dots |
921k dots |
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Touch screen |
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No |
No |
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Flips out |
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No |
No |
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Live view |
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Yes |
No |
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Lenses |
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Lens availability |
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125 lenses |
62 lenses |
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Lens focus motor |
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Yes |
Yes |
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Lens mount |
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Canon EF (Full-frame) |
Sony Alpha (Full-frame) |
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Form factor |
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Size |
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152x114x75 mm |
156x117x82 mm |
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Depth |
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3" |
3.2" |
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Weight |
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850 g |
895 g |
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Interchangeable lenses |
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Yes |
Yes |
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Waterproof |
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No |
No |
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Weather sealed |
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Yes |
Yes |
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Viewfinder |
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Type |
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Pentaprism |
Pentaprism |
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Viewfinder size |
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0.71x |
0.74x |
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Coverage |
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98% |
98% |
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Movies |
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Format |
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1080p @ 30fps |
None |
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Supports 24p |
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Yes |
n/a |
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High-speed framerate |
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None |
n/a |
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External mic jack |
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Yes |
n/a |
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Autofocus |
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None |
None |
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All formats |
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1080p @ 24fps
480p @ 30fps
1080p @ 30fps |
n/a |
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Features |
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Panorama |
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No |
No |
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HDR |
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No |
No |
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3D |
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No |
No |
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Image stabilization |
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None |
Sensor shift |
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Supports RAW |
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Yes |
Yes |
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GPS |
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No |
No |
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Performance |
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Startup delay |
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400 ms |
500 ms |
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Shutter lag |
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206 ms |
184 ms |
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Battery life |
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850 shots |
880 shots |
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Continuous shooting |
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3.9 fps |
3 fps |
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Focus system |
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Autofocus |
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Phase detection |
Phase detection |
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Focus points |
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9 |
19 |
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Cross type focus points |
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1 |
1 |
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Shutter |
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Max |
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1/8000s |
1/8000s |
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Min |
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30s |
30s |
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Flash |
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Built-in flash |
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No |
No |
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External connection |
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Yes |
Yes |
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Storage |
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Storage slots |
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1 |
2 |
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Supported formats |
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CompactFlash (Type II)
CompactFlash (Type I) |
CompactFlash (Type II)
CompactFlash (Type I)
Memory Stick PRO Duo
Memory Stick Duo
Memory Stick |
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DXO Mark Scores |
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Image quality |
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79.0 |
79.0 |
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Color depth |
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23.7 bits |
23.8 bits |
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Dynamic range |
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11.9 EV |
12.2 EV |
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Low light performance |
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1,815 ISO |
1,415 ISO |
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