QE level of 5D3 and D800

Started Apr 22, 2012 | Discussions thread
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Astrophotographer 10
Senior MemberPosts: 5,451Gear list
QE level of 5D3 and D800
Apr 22, 2012

Here is a site that measures the QE of DSLR sensors (QE is quantum efficiency or the efficiency the sensor detects light with ie 100% would be perfect, 20% would be abyssmal).

D800 is 57% and 5D3 is 49%. But 5D2 was only 33%. That's a huge gain for 5D3 and not being pushed in their marketing.

To get those figures in perspective my $14,000 astrophotography camera is a mono CCD, that is cooled to -35C and has a QE of 60%.

57% uncooled, with a Mayer matrix is unbelievably high. Normal DSLR sensors have been in the high 20 to low 30%'s.



 Astrophotographer 10's gear list:Astrophotographer 10's gear list
Fujifilm X-E1 Sony Alpha NEX-6 Sony Alpha 7R Canon EF 70-200mm f/4.0L USM Fujifilm XF 35mm F1.4 R +11 more
Canon EOS 5D Mark II Canon EOS 5D Mark III Nikon D800
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