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)
C.H.Ling
----- Original Message -----
From: "Joel Wilcox"
> On Mon, Nov 30, 2009 at 10:09 AM, C.H.Ling <ch_photo@xxxxxxxxxxxxx> wrote:
>> Just a note to the potential buyer for 5D II (I heard similar problem on
>> 50D
>> too). I found some pattern noise on my 5D II at low ISO so searched the
>> net
>> and found some peoples reported similar problem. The only solution is to
>> avoid under exposure.... :-(
>>
>> http://photo.net/canon-eos-digital-camera-forum/00Rjyp
>
> In other words, if you underexpose 1 stop and use the raw converter to
> bring up the exposure to normal, there will be some banding? If that
> is what you mean, would this occur even in exposures where all of the
> pixels are visible in the histogram (i.e., no clipping at the left)?
>
> Joel W.
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