Additionally the real optical resolution can vary along the scanner surface due to the complexity of the system. We need to be aware that the optical performance of the scanners may vary from system to system. Other factors on resolution and sharpness That means the real optical resolution is smaller than the one stated by Epson. The optical group that includes the CCD sensor is quite complex and small variations and inaccuracies reduce the optical quality slightly. Epson states a theoretical optical resolution of 4800spi for all of their V-series scanners.
These two elements determine the theoretical optical resolution in both directions vertically and horizontally. After my tests it turned out that these values are close to the optimum settings but with some adjustments I was able to reveal even more and cleaner detail from my scans.Įpson uses CCD sensors (Charge-Coupled Devices) for their scanners and these CCD elements are moved by an stepper motor underneath the glass surface of the flatbed scanner. In the past few years I simply used 2400spi (samples per inch) as a standard resolution setting for all my scans, as well as some sharpening presets that seem to work most of the time. So it is totally up to you if you want to do your own tests or play around with my settings and see if they work for you. In this blog post I will explain what is required to do the tests and provide you with the link to some more detailed explanations. Of course the optimal way of doing it, is investing some time and money and do your own tests. These settings work great on my scanner, with my mounting solution and chances are that they work for your flatbed scanner as well.
I did some testing with an USAF 1951 resolution target and I will share my findings with you. Have you ever wondered what would be the best settings for your scans with an Epson flatbed scanner? Well, there are two ways of getting those values and one of them is a s simple as reading this blog post.
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