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Welcome to the world of high quality scanning Capsu DigiScan is a small, friendly professional company based in South Wales offering high quality drum scans from colour slides, prints and original artwork. We also have a Agfa Sherpa 43inch large format high resolution inkjet printer for those who need a high quality proof which some of our clients use to colour match on press. Additionally, a data integrity PDF service is offered for those who need to send computer-to-plate ready files to printers anywhere in the world. |
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What is the difference between a drum scanner and other scanners? Drum scanners use a technology known as photo-multiplier tubes (PMT's) rather than charged coupling devices (CCD's) to convert light waves into electronic data. PMT's capture a longer smoother tonal range than CCD's and therefore can produce an image that is much nearer to the original. Generally, drum scanners have superior optical systems with better lenses and more consistent light sources, than their flatbed counterpart. Although this is starting to change with very high end flatbed scanners, drum scanners are still the best technology for colour scanning, Capsu DigiScan use Crosfield scanners.
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