Drum scanners are also known as drum scanners. Of course, such roller scanners are not the same thing as drum scanners.
Drum scanner is the most widely used product in the field of professional printing and typography. The photosensitive device he uses is a photomultiplier tube and is an electron tube. The performance is much higher than that of a CCD scanner. These scanners generally have an optical resolution of 1000-. 8000dpi, color number 24-bit to 48-bit, although the indicators are similar to the flatbed scanner, but in fact the effect is not the same, of course, the price is also surprisingly high, low-grade is also more than 100,000 yuan, high-grade reach million dollar.
Since this type of scanner can only scan one point at a time, the scanner is slow. It takes a few minutes or even several hours to scan a picture.
Drum scanner is the most widely used product in the field of professional printing and typography. The photosensitive device he uses is a photomultiplier tube and is an electron tube. The performance is much higher than that of a CCD scanner. These scanners generally have an optical resolution of 1000-. 8000dpi, color number 24-bit to 48-bit, although the indicators are similar to the flatbed scanner, but in fact the effect is not the same, of course, the price is also surprisingly high, low-grade is also more than 100,000 yuan, high-grade reach million dollar.
Since this type of scanner can only scan one point at a time, the scanner is slow. It takes a few minutes or even several hours to scan a picture.
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