You are lucky, 5D II has very bad red channel noise, this one shot at
ISO160, try to convert it with PS red filter. There are lots of noise and
artifacts everywhere, image is totally non usable:
http://www.accura.com.hk/temp/IMG_4865.JPG (4.5MB)
Shoot with Tamron SP 24-48.
BTW, don't expect there will be any different at ISO100.
C.H.Ling
----- Original Message -----
From: "Moose" <olymoose@xxxxxxxxx>
>
> Here are some samples, none of which make any difference in noise that I
> can see at full pixel.
> <http://www.moosemystic.net/Gallery/tech/Process/BW/B&Wconv2.htm>
>
> Moose
>
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