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03-23-2008, 10:46 AM   #1
Ed in GA
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8 bits per channel -vs- 16 bits per channel

I am using PSE 5.0 with raw plug in 4.3.1

There is an option of conversion in 8 bit per channel or 16 bits per channel.

The default is 8 bits per channel. Which, I have been using.

Is there an advantage in using 16 bits per channel? If so, what would it be?

Any/all information will be appreciated.

Ed

03-23-2008, 10:58 AM   #2
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Use 16bit for processing, then converted to 8bit jpeg for saving when needed.
03-23-2008, 11:59 AM   #3
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Well one of the disadvantages of 16-bit is that some filters (like some of those commercial 3rd party ones you can buy or the free ones that can be downloaded) don't work with 16-bit images but only with 8-bit.

I had this problem a few days ago when I was trying a tutorial but a certain filter (build-in) that I needed was unavailable, it took me a while to figure it was the 16-bit of the image and after converting to 8-bit it worked fine.
03-24-2008, 10:18 AM   #4
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a work around for 16 bit and 3rd party software is to process in 16 bit save as 8 bit, thern apply the 3rd party filter. I use 'alienskins exposure' for b&w conversions which i then tweak with blending modes, and it seems to work out ok.

03-24-2008, 10:45 AM   #5
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16 Bit Versus 8 Bit Mode | Layers Magazine
03-25-2008, 09:02 AM   #6
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man, i'm really digging this magazine...

The Bit-Depth Decision | Digital Photo Pro Magazine
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