Re: Please Explain Comparative High ISO Perfromace
saneproduction wrote: ...I would love to have a \"list\" or some easy to reference equivalent like 5DII ISO 3200 = 7D ISO 1600 = 1D4 ISO 6400 or some such roughly estimated chart.
Ask and ye shall receive.
Some people here deride DxO Lab\'s tests, but one thing about them is that they use a consistant testing methodology. You might find their noise ratings useful as a way of comparing one camera against another.
I picked some cameras from their comparator including the ones you named and a random selection of Nikons. They don\'t have tests yet for the 1Dx.
Of those I chose, they rate noise-handling ability this way from highest to lowest:
Nikon D3s -- 3250 ISO (The current champ in noise handling.)
Nikon D700 -- 2302 ISO
Canon 5D Mark II -- 1815 ISO
Canon 1Ds Mark III -- 1663
Canon 1D Mark IV -- 1320
Nikon D7000 -- 1167 ISO
Canon 60D -- 813 ISO
Nikon D300s -- 787 ISO
My poor old Canon 20D doesn\'t fare too well: 721 ISO
The relevant section says, \" Thus low-light ISO is the highest ISO setting for a camera that allows it to achieve an SNR of 30dB while keeping a good dynamic range of 9 EVs and a color depth of 18bits.\"
HTH.
Dec 04, 2011 at 03:19 PM
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