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I am fairly certain that JPG (the standard) is limited to 8 bit x 3
channels (RGB)= 24 bit depth.<br>
I believe there is a 16 bit TIFF standard, but that may not be
universally implemented.<br>
<br>
<div class="moz-cite-prefix">On 01/08/2015 09:40 PM, Paul Verizzo
wrote:<br>
</div>
<blockquote cite="mid:54AF3F93.60008@paulv.net" type="cite">I've
decided to get out of my comfort zone and start experimenting with
16 bit large sRGB color spaces now that I have a new printer with
a pretty wide gamut (Canon PRO-100.)
<br>
<br>
So I take an MRW image, select to work in ProPhoto RGB (Why not go
all the way? Been reading about it, especially on Luminous
Landscapte.) I make a few adjustments, such as Levels, then
select the 8>16 bit option in Depth. When I try to save it as
either JPG or TIFF, the file is kept at 8 bits. When I try a PNG
version, it fails. I'm sorry, I don't have the program up to tell
you exactly what the failure message is.
<br>
<br>
I've spent a lot of time in the online help and the Help PDF's,
and I can't find anything that specifically address my simple
workflow or why it doesn't work.
<br>
<br>
Thanks, Paul
<br>
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