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Photoshop Image Size for Large Images

Discussion in 'Adobe' started by PostNet, Jul 10, 2008.

  1. PostNet

    PostNet Member

    Jun 21, 2008
    I have two jobs that are eating my lunch. One is a 8'x25' window perf for a local shop and one is a 20'x40' wall mural. I keep beating my head against the wall trying to set the image size in Photoshop only to have my changes take 10 minutes to process. Is there a better way to do this than to design at 100% at 150 dpi? Help please....

  2. cgsigns_jamie

    cgsigns_jamie Very Active Member

    full size @ 72dpi 8bit cmyk
    10% @ 720dpi 8bit cmyk
  3. SignBurst PCs

    SignBurst PCs Very Active Member

    You are probably dealing with files too large for your PC to handle. You could probably get away with 72 instead of 150 as well.

    I can offer suggestions, but they all include computer upgrades. More RAM, Scratch Disks, and RAID all help.

    Building computers to handle these size files are our specialty. We build/sell computers for this exact purpose.
  4. PostNet

    PostNet Member

    Jun 21, 2008
    It speeds it up a lot, thank you. What impact will it have on the printed image?
  5. GK

    GK Very Active Member

    Apr 30, 2007
    With perf, im pretty sure 150ppi @ full scale is completely overkill so don't do them at that resolution because it will only slow you down. Even the 70/30 perfs won't show the quality loss.
  6. Rooster

    Rooster Very Active Member

    Feb 22, 2008
    Normally I'd say keep the resolution at 100-120 dpi (I find 72 too low for my tastes).

    But being as this is going onto window perf you have a ton of leeway. Drop the resolution and save the headaches. You'll never see the difference.
  7. insignia

    insignia Very Active Member

    I agree, given that it is window perf you can get away with reducing the resolution quite a bit. A couple weeks ago we finished a perf job that was 18'x36' and the file was built at 50dpi, when printed they looked like a million buckes, even up close.

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