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The 'FX' Effect.

Baaker

Dumbarton, UK
923 posts

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"RE: The 'FX' Effect."

Baaker Silver Member Nikonian since 18th Aug 2009
Tue 08-Mar-11 10:13 AM

>>There is a difference between "captured" and
>>"displayed" dynamic range.
>>According to DxO, the D200 has a DR=11.5 stops and the
>D700 a
>>DR=12.2 stops at base iso. This means in both cases the
>>"raw file" contains more information than most
>>monitors are able to display. In PP you can recover some
>of
>>the not displayed data, about 2/3 stops more in the case
>of
>>the D700.
>>
>>If you are interested in a lot more detail, you might want
>to
>>have a look in:
>>www.cambridgeincolour.com/tutorials/dynamic-range.htm
>

The 12.2 stops quoted by DxO is measured at base iso??? but the cambridge colour site states:

Quote

Technical Note: In some digital cameras, there is an extended low ISO setting which produces less noise, but also decreases dynamic range.

Unquote

Why would DxO test at base iso if this is true? The chart at DXO doesn't state it is tested at base iso and I think that testing at base iso wouldn't give a true test result.

http://www.flickr.com/photos/43019448@N04/

This is a hot, active topic! The 'FX' Effect. [View all] , Shy Talk Silver Member , Fri 04-Mar-11 11:37 PM
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