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jesseislil
Joined: 17 Feb 2005
Posts: 23
Location: Los Angeles
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 Posted: Sun Apr 10, 2005 8:12 pm Post subject: Design resolutions for offset print |
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When working on a design destined to be printed at an offset press at 300dpi, woud it be suggested that I begin designing the image in photoshop at a resolution of 300? I find it hard to work this way because the image appears so large on screen. If I begin designing at let's say 100dpi, then bump it up to 300 before I send it to the press, will it result in a major quality loss? Any suggestions? Thanks.
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teddc
Joined: 04 Oct 2004
Posts: 389
Location: Belmont North Australia
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| Posted: Sun Apr 10, 2005 9:31 pm Post subject: |
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dpi is goverened by the printers lpi (lines per inch) screen ruling. Most medium to hi quality printing is now carried out at either 150 or 175 lpi.
300 dpi is what is normaly acceptable for this screen ruling all although you can get away with 250 dpi for 150 lpi.
When working with large images try using the zoom to decrease the magnification. This is the easiest.
Resizing is not the way to go. Once you decrease size you alter the image and increasing again will increase the size of the pixals, which you don't want.
Dont forget to use CYMK to send to printer
ted
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jesseislil
Joined: 17 Feb 2005
Posts: 23
Location: Los Angeles
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| Posted: Sun Apr 10, 2005 9:38 pm Post subject: |
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yeah see ive already designed an album cover and back cover. i started the project at 100 ppi and the printer sent me a template that i need to put my designs into. this template is at 300! so i need to transfer the 100 res. designed art into the 300 res. template. im either gona try to resize it for that increase in res. or end up having to redo the artwork at higher res. i guess. yeah ive been using the magnif. tool constantly zooming in and out to make see how everything lays out. i was jus wandering if there was an easier/better way.
what if i was workin on a giant billboard print that was like 15 ft. by 5 ft. you think res would be at 300 still? how would designing this be accomplished? maan what a project!
thanks again.
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witam
Joined: 27 Oct 2004
Posts: 812
Location: Belgium
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| Posted: Sun Apr 10, 2005 11:15 pm Post subject: |
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teddc
Joined: 04 Oct 2004
Posts: 389
Location: Belmont North Australia
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| Posted: Mon Apr 11, 2005 1:22 am Post subject: |
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Billboard stuff. Because of the distance of viewing these would be about 50-75 lpi so the image although large in dimensions would possibly have a dpi of about 75, thus bringing the size down. Also I believe they are done in segments.
'fraid there's nothing you can do about your image now. It may look a bit pixilated when printed that's all
ted
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