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I think that is what I was looking for, that it is a a 48-bit scanner. Beyond that, is there a reason it would not be appropriate for photographs? The top optical resolution is only 600, but for scanning an 11x14 print, that should be fine as long as I'm not trying to make a mural. I would love to get the 12000XL, but it is almost 3 times the price, and I was hoping there was a more economical solution. Thanks for your help--sorry I'm not better at stating my question accurately.

Exactly 48-bit or 16 per channel, if you prefer, is not critical, but more than 8 is, for editing purposes; I used the term loosely, as a class, as it often is in software settings. As for output, Canon's specifications for the Pixma MG7120 say "Color Depth 48-bit Input / 24-bit Output." (Canon U.S.A., Inc. | PIXMA MG7120) So Canon is only claiming 24-bit output, but when used with Vuescan the file produced by the MG7120 is recognized by Photoshop as a 48-bit file. So I believe it is possible for software to access the internal data that is not output by the manufacturer's driver. Thus my question regarding the Epson VS-50000.

Apologies if this has been discussed--I didn't find anything by searching. I'm looking for a moderately priced 11x17 scanner, but it needs to output 48-bit color. The Epson VS-50000 would fit the budget, but its specifications indicate that it uses 48-bit internally, but only outputs 24-bit. The reason I'd like to hear from anyone who has used this scanner with VueScan software is that when I bought VueScan to use with my film scanner I accidentally discovered that with it the scanner in a little Canon all-in-one printer/scanner could actually output 48-bit color. Apparently VueScan somehow accessed the internal color data! If there's already a thread on this, please feel free just to point me toward it. Thanks!