> We > use a 42 bit Microtek Scanmaker X12 USL scanner, ant > it works well. On our old, cheaper 24 bit Umax we could not do > this.....On that one, we needed to scan at full resolution and > then convert in Photoshop.
Exactly what I was saying. There is no set rule which is better for "any" scanner, it's something that needs to be tested.