Scanhancer can effectively subdue the harshness of an LED scanner lamp, which is especially useful when scanning black-and-white originals. Most scan software, however, is not geared to deal with Scanhancer, and using it often results in unwanted color shifts.
Originally Erik de Goederen developed the Scanhancer for the Minolta DiMAGE Scan Multi PRO. It is available at www.scanhancer.com and consists of a small polymer plate that is placed between the scanner lamp and the film. The idea behind the Scanhancer is to diffuse the scanner’s light source, which de-emphasizes film scratches and also makes film grain appear more subdued. I have tested the Scanhancer on a Nikon Super Coolscan 5000 ED with slide mount adapter MA-21. My test ...