>For the purchase price of Vuescan it might be worth trying with the SS4000 >just to see how much difference calibration really makes? Try the free Vuescan demo. >It occurs to me to wonder how much difference IT8 calibration on a film >scanner makes? Presumably the IT8 target is an ektachrome slide, so you'd >be calibrating for that type of film. What about negs? What about other >brands of slide? Is the calibration just introducing colour shifts that >will have to be corrected anyway? > IT8 calibration with an Ektachrome slide for scanning Kodachrome is useless. Mike Duncan