I recently purchased a slightly used Epson 4870. I am using the packaged Epson scan software. I was wondering what settings you use for the 4x5 negatives. Since I will be post processing, I suspect I want an unsharpened, flat image. But since I have only done DSLR scanning of medium format and 35mm negatives, I am not sure what settings give the best results with a flatbed scanner. Any assistance would be appreciated.