Hi, Anne, "You have thousands of photos." Just do a little bit of maths and have a good think about it. The time it takes to scan a photo depends mainly as to how high a quality result you want. The higher the quality or type of image you want to scan; e.g. jpg or tiff, , the longer it takes to scan. It's not uncommon to take 2-3 minutes to do a scan, then further down the track you have to crop or rotate each one if necessary, then adjust contrast if required - been there, done that. So where are we? 1,000 photos at 10-20 minutes each = ~ a minimum of 14 days, 24 hours a day ( plus time off because of boredom while the scanner does its thing. Plus more time changing programs, fiddling with cropping, touchups, failures etc. Don't let me try & turn you off your project, but don't try and take on to much in one hit. Space things out in stages - it will probably take several years before you're happy with your results.
To sum up, it's a worthy project, but extremely time-consuming. (Speaking from previous ignorance, but learned the hard way)
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Digital Cameras OT 68RM: I've dealt with the highest quality reproduction of images for many years and can say that 5MPixels is more than enough...
johnf