I apologize if this post is amateurish, but I'm working hard to better understand scanning resolution and its actual impact on image quality, clarity and final print size. Let's start with what I do understand: I am using an Epson V700 scanner and I mostly scan medium format negatives, I have the option to pick from several resolutions: 3200, 4800, 6400 and 9600 dpi. I understand that if I'm using a standard printing resolution of 300dpi., (although I do have some labs producing images requesting the image file be set at 400dpi.), that I want to create a file size, or use a scanning resolution that will provide the pixel dimension for the desired final image size. So if I wish to print a 10x10 inch image, at 400 dpi, then I need to scan my medium format negative at a resolution or pixel dimension that will give me a minimum of 4000x4000 dpi width and height. My goal is scanning quality and capturing as much detail or information as my scanner can. I use Nikon's View NX as my viewing program before I import them into my photo editing program. One feature of the Nikon VIEW NX is a resizing and converting function. I use this on occasion to resize, mostly downsize a file to the appropriate size. Sometimes, I'll batch convert a large body of work to a smaller size, say down to 5mb's, as opposed to the 180mb file that results from a scan of say a 6400dpi resolution setting, for quick view purposes on another device. Here is the question: if I take my scan that was scanned at a resolution of say 6400 or 9600dpi, and resize it to a dimension of 4000x4000 dpi for printing a 10x10 inch print (for a printing resolution of 400dpi), has the larger scanning resolution captured more information or detail than if I had scanned at 3200 dpi which would have initially created an original file of say 4000x4000 dpi's? What is the correlation between scanning resolution and image dimension in terms of capturing detail? Does scanning at 6400dpi gather more image information and detail than scanning at 4800dpi? Is the scanner collecting more detail and information for the given inch? Does it even matter? On another note, should somebody be really familiar with the Epson V700, in the configuration settings I can select 1, 3, or 5 pixels for the eyedropper and densitometer functions. For best results what is the desired setting? It amazes me, I have downloaded all the manuals and their webbased instructions, it tells you what everything is but not necessarily how to use it best?