Why We Picked It. The Canon CanoScan LiDE 400 is an under-$100, entry-level flatbed photo scanner. But it fills a nifty niche for nonprofessional photographers who need to scan both photos and
For OCR, best scanning settings are: 300 dpi resolution for regular text, 400 dpi resolution for particularly small fonts (fine print) Black & white for text, greyscale for small fonts, color for pictures. TIFF format. Group4 is used for black & white (very small file size). If color is needed, use Uncompressed (very large file size).
However, it's much easier just to ask for a standard resolution like 8MP / 24MP but the lab should make these options clear. You don't quite need 300 DPI if you want to make prints and don't intend on scrutinising them at 10cm - 200-250 DPI is also pretty good, particularly at larger sizes as your viewing distance increases.
I took the plastic holder off and went to the library and fed it through the photocopier to scan it to PDF 300 dpi in greyscale and a second scan in B/W. But I have a binder of about 200 pages of photo copied pages that must have come from another relative. The binder's pages are disorganized and some missing.
that uses the full resolution of the scanner’s CCD, even scanning at a lesser resolution. The benefi t of this feature is truer image quality. For example, on one of the Epson 600 dpi Perfection scanners, when scanning an image at 300 dpi, the scanner still uses all 600 pixels per inch to scan the image, then
A 4×6 inch image scanned at 72 DPI has a lower resolution than the same size image scanned at 300 DPI, and therefore, is also smaller in kilobyte size. Scanned at 300 DPI, your digital image will be the exact same size in inches as the print and larger in kilobyte size. JPG is the standard image format on most cameras and smartphones.
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200 dpi vs 300 dpi scanning
