1DX Photographic Dynamic Range and Read Noise available

Started Jul 28, 2012 | Discussions thread
Mikael Risedal
Veteran MemberPosts: 3,000
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Re: 1DX Photographic Dynamic Range and Read Noise available
In reply to John Sheehy, Jul 29, 2012

bclaff comments: I now have some 1D X images and have measured Photographic Dynamic Range (PDR) and Read Noise (in ADUs not electrons yet)
PDR: http://home.comcast.net/~NikonD70/Charts/PDR.htm#EOS%201D%20X
Read Noise: http://home.comcast.net/~NikonD70/Charts/RN_ADU.htm#EOS%201D%20X_14

The 1D X has the highest DR that I have measured for a Canon camera at 9.07 although this is still 2 1/3 stops short of the D800.
Low light performance is excellent; on a par with the D4 and D800.

John Sheehy wrote:

Mikael Risedal wrote:

Thanks

values ​​are as expected, congratulations Canon, low light on a par with the D4 and D800.

I don't see the results as "on par". The 1Dx is clearly ahead by a significant margin, according to the graphs. Of course, the jagged and flattened results for the D800 and D4 at high ISOs in the read noise graph are not normalized for real exposure.

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John

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