My Epson will do 6400dpi optically, but it can do some upsampling shenanigans all the way up to 12800dpi. Unnecessary levels of resolution for documents, but it

My Epson will do 6400dpi optically, but it can do some upsampling shenanigans all the way up to 12800dpi. Unnecessary levels of resolution for documents, but it's amazing what it can do for your grandma's old film slides. It's not cheap, but the performance is hard to argue with.