Yes, that was my point. Converting the image to an 8-bit jpeg should render 
any gains from what ever color depth resolution the original capture was, 
null & void.

Granted,the better the original, the better a converted copy may tend to be. 
  But comparisons of 8-bit images really can't be used to demonstrate the 
advantages of a higher resolution senso, or to  make meaningful comparisons.

None of this is to say we don't all enjoy and appreciate nice 8-bit 
renderings. :-)

Tom C.



----Original Message Follows----
From: graywolf <[EMAIL PROTECTED]>
Reply-To: Pentax-Discuss Mail List <[email protected]>
To: Pentax-Discuss Mail List <[email protected]>
Subject: Re: K10D 22 bit A/D conversion
Date: Fri, 13 Oct 2006 22:04:13 -0400

You mean, an 8-bit jpeg, is an 8-bit jpeg?

Actually you should see a bit better rendering in an 8-bit jpeg made
from a high definition image, than one made from a low definition image,
but it will not be a high definition image its self.

--
graywolf
http://www.graywolfphoto.com
http://webpages.charter.net/graywolf
"Idiot Proof" <==> "Expert Proof"
-----------------------------------


Tom C wrote:
 > Is one really able to tell anything like fine gradation in an online 
image?
 >
 >
 > Tom C.
 >
 >
 > ----Original Message Follows----
 > From: "Ken Takeshita" <[EMAIL PROTECTED]>
 > Reply-To: Pentax-Discuss Mail List <[email protected]>
 > To: "Pentax-Discuss Mail List" <[email protected]>
 > Subject: Re: Re: K10D 22 bit A/D conversion
 > Date: Fri, 13 Oct 2006 16:02:48 -0400
 >
 > On 10/13/06, Perry Pellechia <[EMAIL PROTECTED]> wrote:
 >  > That's a little misleading.  The "12" bit rendering is only using 4
 >  > bits.  The signal could certainly be preconditioned to use the
 >  > digitizer better than that.
 >  >
 >
 > Maybe, but this is a good "illustration" of the magnitude of
 > difference between 12 and 22 bit rendering.  They are emphasizing the
 > difference in gradation (22bit/4,200,000 vs 12bit/4096) which should
 > result in a lot higher fidelity in presentating of skin, texture and
 > other stuff.
 > Well, pentax are the first one to use the 22bit converter with
 > supposedly excellent and fast processor (PRIME).  From what I saw in
 > just a few recent samples, images looked excellent 9and very
 > natural).
 > Let's see how the final version samples would come out.
 >
 > Ken
 >
 > --
 > PDML Pentax-Discuss Mail List
 > [email protected]
 > http://pdml.net/mailman/listinfo/pdml_pdml.net
 >
 >
 >

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