![]() ![]() At any rate, the biggest way to see the improvement is to make a large histogram adjustment.Īlso, make sure that you're using a color space that encompasses the entire range that the scanner can produce.ĭoes anybody know if the latest version of Vuescan can manually set different exposures and scan at those exposure saving each in a separate file? Does this depend on the hardware too? I am not talking about multi-sampling and multi-exposure which results in one single file output. I made the suggestion to save each pass as a separate file for later use, but he never replies. I've complained to Ed Hamrick about it but he just tells me that no one else is complaining. I seem to get slightly less noise with multi passes, and slightly better exposure with multi-exposure. Which was a bit of a disappointment, unless I am using it wrong. The result with all three scans viewed side by side in Photoshop was absolutely nothing, all three where exactly the same. The hope was to extract more detail from the models dark hair I did three scans one at standard, one with multi Exposure turned on and one with 4 multi Passes enabled. Just to test this out I dug out an old set of slides I did in a studio session in the mid 80's and with these there was not quite enough light on the models very dark hair. Well, I'd think referring to the hamrick website for explanation should provide the best answer: I've been scanning thousands of slides and I can assure you that the first pass is a normal exposure, not underexposed. This means one pass with underexposure, one pass with overexposure for badly exposed images, too thin negatives etc.) Numer of passes should be simply multiple passes with the same settings for exposure to improve the signal-to-noise ratio (e.g. Essentially following what the digital camp calls DRI or HDR. Parallel skin edited this topic 107 months ago.Īs far as I understood the Multipass option, this means one pass with underexposure, one pass with overexposure and then combining both to cover the full zonal range of the image. So if a single pass Multi-exposure doesn't cut it, turn off Scan From Preview. Negative film's are usually just fine with a single exposure (scanner wise). I say this because slides are about the only reason to use Multi-exposure. ![]() Usually this isn't a big deal, but with thicker slide film like Kodachrome and most of the other older slides it can be a hindrance and the results are very dark scans. ![]() Much like locking the controls on your camera. If you turn on Scan From Preview it disables the program from calculating a speed. Some flatbeds are really bad with muliple passes like these and the IR pass as well. It won't give you the option if it can't do it. Passes vs Samples is set based on the scanner attached. Multi-exposure is doing a second pass at a slower time (like a slower shutter speed on your camera) to make a brighter exposure.Īll of these are combined in the computer after the scan. Number of samples is reading each pixel multiple times before the scan head moves to the next line. Number of passes is actually the number of times the scanner does a pass. You can use this scanner on Mac OS X and Linux without installing any other software.What's the difference between the options for Number of Passes and Multi exposure and when would one use each option. If you haven't installed a Windows driver for this scanner, VueScan will automatically install a driver. If you're using Windows and you've installed a Minolta driver, VueScan's built-in drivers won't conflict with this. However, silver-based black/white film doesn't work with infrared cleaning because the silver particles look the same in visible light and infrared light. ![]() Infrared cleaning works well with all types of color negative and color slide film, including Kodachrome. It scans with both visible light and infrared light in a single pass. This is similar to (and we think better than) the ICE and FARE algorithms. VueScan's 'Filter | Infrared clean' option can be used to remove dust spots from film scans. This scanner has an infrared lamp for scanning film. If VueScan isn't working with the Firewire cable, try a different Firewire port or a different Firewire cable. VueScan is compatible with the Minolta Scan Multi Pro on Windows, macOS and Linux. ![]()
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