C.H.Ling wrote:
> When you shot RAW and push the exposure to near 1 stop you will see it. Here
> is an example:
>
> http://www.accura.com.hk/temp/IMG_7622.CR2 (8MB)
>
I can understand your frustration.
I appreciate all the effort you have gone to to give me more reasons to
put off any rash purchase to replace my 5D. ;-)
Still, it doesn't seem insurmountable. NeatImage does quite a nice job
of eliminating the banding noise.
<http://www.moosemystic.net/Gallery/Others/CHLing/PatternNoiseNI.htm>
I think that without the roll-over to compare, no one would notice the
very subtle pattern left in the darkest areas at step one. A second
application really cleans it up, if necessary.
With this image, there isn't a noticeable effect, at least to me, on
detail in the lighter areas. Where there is an effect, the NI layer may
simply be masked to only affect the dark areas.
I think the noise gives a sense of detail in the darkest smoke, but I
think it's false. Upon close inspection, it seems to me that the first
step loses no actual subject detail at all, and the second step maybe a
tiny bit.
A. Neat(Image) Moose
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