Do you have a place you could post the raw file for others to download and give 
it a try?

"Kenton Brede" <[email protected]> wrote:

>On Sat, Dec 18, 2010 at 2:27 PM, steve harley <[email protected]>
>wrote:
>> On 2010-12-18 13:10 , Kenton Brede wrote:
>>>
>>> On Sat, Dec 18, 2010 at 12:59 PM, steve harley<[email protected]>
> wrote:
>>>>
>>>> did you shoot RAW or JPEG? did you save as JPEG multiple times
>while
>>>> editing?
>>>
>>> I'm working from RAW.  I only save once, after tweaking the RAW.
>>
>> do you see the "pixelation" in the RAW? those rectangular blocks seem
>too
>> uniform to represent data from the sensor, so something is creating
>them -
>> denoising? i dunno
>
>I don't see it in the RAW.  It's only when I save as JPEG.  I'm
>evaluating Bibble and Lightroom.  I see the beginning of the
>pixelation (yellowing) at about 80% quality, 72dpi.  Lightroom is
>putting out just a slightly better quality JPEG @ 80%, but it weighs
>in at 359KB as opposed to the 152KB of Bibble.  If I go 100% quality
>on the JPEG there isn't any pixelation, just some yellowing with both.
> If I darken the black with "curves" then the pixelation really starts
>to come out.
>
>Right now the best I can do is use the auto rendering that the
>programs create and save as 100%, and it doesn't look too bad.  I just
>end up with files that are around a MEG which isn't really ideal for
>web. :)  But I think that's what I'll go with.
>
>Sorry I'm a complete newbie at this.  Just thought maybe I was doing
>something wrong that would be obvious to someone.
>Thanks,
>
>-- 
>Kent Brede
>http://aphotoaday.sandhillsnaps.org/
>
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