 BetterPhoto Member |
Editing digital fotos for developing prints
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doug Nelson |
For me, a bare minimum input resolution has been 150 ppi. This will print fairly well on an 800-series HP inkjet. 240 ppi input prints beautifully at 720 dpi output on my Epson. 300 is best case, what you would submit to a magazine editor, or put into a true photo-quality printer (HP 900-series, Epson with "Photo" in the name). Our friend, Steve, at sphoto.com says that HP Photosmart printers will interpolate (add pixels) to an image with insufficient resolution before it prints them. Maybe all printer software does that to some degree. Actually, your camera has just enough resolution (IF you shot at the full resolution your camera can do) to give you decent prints in these sizes. Divide the long dimension, in pixels, of your image by the resolution your printer wants you to input. The resulting figure is the long dimension of your final print, in inches. In the future, try not to do anything that causes your imaging software to throw away pixels. Be very careful about cropping, then enlarging. You'll lose some image quality. Some commercial web sites offer prints from your digital images. They may have software that artificially boosts resolution. You might get a good deal doing it that way.
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Loren Owensby |
I use Q Image for printing. I don't have to adjust anything - no resizing, no resolution adjustments, nothing. The program does it all based on your printer's drivers. I have the Olympus Camedia P-400. Unfortunately, it doesn't supply the drivers for printing from your computer and who wants to print from the Smart Media card? Go Figure! But the templates are fairly easy to create and can be saved. You can download it for a free trial. Loren O.
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