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Resolution & File Size
To achieve a printable quality image,
you must set the resolution (image size) and the compression (file
size) of the image before taking the photo. The higher the
number of pixels, the better the resolution. The higher the
resolution, the larger and higher quality of prints you can make. See chart below.
Image Quality
The quality of output is a direct result
of the quality of the image or photo that you supply. If you use a
low-resolution scan, the quality of the printing will be affected.
If you upload a dark grainy photo, you may not be pleased with the
results.
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File Size Guidelines
(Recommended Minimum File Size at 150ppi)
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Print Size |
Pixels |
.TIF |
.JPG |
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2½x3½ |
375x525 |
550KB |
100KB |
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4x5.4/4x6 |
600x900 |
1.5MB |
300KB |
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5x7 |
750x1050 |
2.2MB |
450KB |
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8x10/12 |
1200x1800 |
6.1MB |
1.2MB |
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11x14 |
1650x2100 |
9.9MB |
1.9MB |
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12x18 |
1800x2700 |
13.9MB |
2.8MB* |
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16x20/24 |
2400x3600 |
24.7MB |
4.9MB* |
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20x24/30 |
3000x4500 |
38.6MB |
7.7MB* |
*Larger files at 300ppi will
produce better quality prints.
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