8 bits/ch vs 16 bits/ch in PS

Discussion in 'Digital Cameras' started by Terry, Jan 21, 2004.

  1. Terry

    Terry Guest

    In Photoshop you can click on Image>Mode>8 Bits/Channel or 16 Bits/Channel.
    Why not always select 16 Bits/channel? Won't this give you more accurate
    color?
     
    Terry, Jan 21, 2004
    #1
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  2. Terry

    dragon1964 Guest

    Because in versions prior to CS, most of the tools are disabled in 16bit
    mode.
     
    dragon1964, Jan 21, 2004
    #2
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  3. Terry

    Tony Spadaro Guest

    If the picture is not already in 16 bpc colour, converting it will do
    nothing for the picture at all. If you scan or have a digital that uses a
    more colour depth, then use 16 bpc. Be sure to convrt to 8 bpc either after
    colour correction or before printing. 16 bit images have limitations even
    with the new Photoshop CS, and if you let the printer program do the
    conversion to 8 bit it will probably do a very poor job of it.
    Any image for the web must be in 8 bits before it can be made into a jpg.
    While you probably can send 16bpc channel images to others, they would be
    very large, and the people you send it to would need a program that supports
    16 bits to use the image.
    You won't see any difference between 8 and 16 bits on your monitor (save
    with a couple very expensive graphics monitors) so there is little point in
    sending that way - unless the person recieving the image is going to colour
    correct it.
    Here is an article on using high bit images:
    http://www.chapelhillnoir.com/mani/digi/mhibit.html
     
    Tony Spadaro, Jan 21, 2004
    #3
  4. Terry

    Tony Spadaro Guest

    I think it will also depend on the printer.


     
    Tony Spadaro, Jan 21, 2004
    #4
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