![]() ![]() The images produced appeared to be identical regardless of what option he selected, and he began to suspect the feature wasn’t actually doing anything. While investigating the optical properties of the scanner, became curious about the automatic focus options offered by the VueScan software he was using. ![]() The short version of his analysis is that the scanner’s slide frame does indeed seem to be holding objects at the proper “sweet spot” for this particular image sensor meaning that contrary to the advice he’d seen online, there’s nothing to be gained by purchasing custom film or slide holders. As you might expect, the nuances of these measurements are a bit beyond the average user. The first post attempts to quantify the optical capabilities of the scanner by determining its modulation transfer function (MTF), point spread function (PSF), and comparing its horizontal and vertical resolution. ![]() But is it really irredeemable? That’s what he set out to determine in a recent series of posts on his blog, and from what we can tell, it’s not looking good for the old Epson. From his comments about the noisy image and limited controls, we’re going to go out on a limb and assume isn’t a huge fan of using his Epson V550 for scanning film.
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