D200 vs D70 Dynamic Range graph

Started Jan 30, 2006 | Discussions thread
OP davexl Senior Member • Posts: 1,058
Re: Nice work, but...

Bill Janes wrote:

it does not take into account the rendering of high contrast scenes
by the in camera or NEF converter software. In the process of
rendering the image, the camera applies a gamma correction and a
tone curve as we all know.

I should have said - this is with tone compensation set to normal, not Automatic or adaptive (I forget what Nikon calls it) - so nothing will change in processing. The gamma/tone curve is static.

It can also remap out of gamut colors into the shooting space
(aRGB, etc) and apply highlight and shadow compression so that a
high contrast scene can be displayed or printed. When one
photographs a gray card (low contrast) at various exposures, the
full effect of the rendering process is not tested.

With tone set to normal - what exactly would change?

AFAIK this is a perfectly valid rough test of DR. It certainly gives you enough to visualise a scene in the zone system, spot meter, and get bang on perfect results.

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Regards,

David F.
Melbourne, Australia.
http://www.pbase.com/davexl/folio

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