Likewise, ppm is also influenced by factors like image resolution and paper size. While top-tier models can quickly scan images at up to 7200 dpi, manual scanners can produce outputs depending on how fast you load your slides. In the case of slide scanners, speed is measured by the number of pages your device can scan per minute (ppm). If, on the other hand, you’re mainly going to use your scans for personal storage or for web purposes, 300-1200 dpi is sufficient. If you’re into prints, don’t go below 3200 dpi (dots per inch). Image resolution is what determines the overall clarity of your scans. For greyscale scans, 12-bit grey is mostly enough.
For personal use, you can settle for 24-bit, but if you need one for work purposes, don’t go lower than 30-bit. The higher the bit depth, the more accurate the colors of your scan will be. As far as quality goes, there are two major factors you need to consider: bit depth and resolution.īit depth greatly impacts the color quality of your scans. Scan Qualityīe it for professional use or not, scan quality dictates the final output of your shots, especially when you print them out later on. To help you navigate the technical features of slide scanners, below are some of the key considerations you should make when comparing models. By choosing a device that fits your goal and your purpose, you can make the most out of your investment.
The best slide scanners give you a wide array of advanced functionality.
Buying Guideīefore diving into the top 10, let’s cover some important facts. Commissions do not affect our evaluations. When you buy through links on our site, we may earn a commission at no cost to you.
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