What Resolution Should Your Images Be?

1 What Resolution Should Your Images Be?The best way to determine the optimum Resolution is to think about the final use of your publication you ll need the highest Resolution , for desktop printing lower, and for web orclassroom use, lower still. The following table is a general guide; detailed explanations SizeResolutionPreferredFile FormatApprox. FileSizeProjected in classAbout 1024 pixels widefor a horizontal image; or768 pixels high for avertical one102 DPIJPEG300 600 KWeb siteAbout 400 600 pixelswide for a large image;100 200 for a thumbnailimage72 DPIJPEG20 200 KPrinted in a bookor art magazineMultiply intended printsize by Resolution ; animage to be printed as 6 W x 4 H would be 1800x 1200 DPIEPS or TIFF6 10 MBPrinted on alaserwriterMultiply intended printsize by Resolution ; animage to be printed as 6 W x 4 H would be 1200x 800 DPIEPS or TIFF2-3 MBDigital Camera PhotosDigital cameras have a range of preset resolutions which vary from camera to Image size at300 DPIP rintable size ona color printer4 Megapixels2272 x 1704 x 12 x 9 3 Megapixels2048 x 1536 x 5 11 x 2 Megapixels1600 x 1200 x 4 6 x 4 1 Megapixel1024 x 768 x 5 x 3If you can, you generally want to shoot larger than you need, then sharpen the image and reduceits size in Screen: Classroom Use and Web Images that

2 Megapixels 1600 x 1200 pixels 5.3” x 4” 6” x 4” 1 Megapixel 1024 x 768 pixels 3.5” x 2.5” 5” x 3 If you can, you generally want to shoot larger than you need, then sharpen the image and reduce its size in Photoshop.

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