Practice question · True or false
A drum scanner and a good flatbed differ only in speed, not in the density range they can record.
Hints
- Ask what the sensor in each one actually is.
- A photomultiplier tube and a CCD line array do not have the same noise floor.
Show the answer
False
Why
False. A drum scanner reads the negative with photomultiplier tubes, which record a longer density range with less noise in the deepest densities than the CCD or CMOS arrays in a flatbed. The difference shows up precisely in the shadows of the print, which are the densest parts of the negative.
Practise The Darkroom, Digital and Hybrid Workflows
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More questions on The Darkroom, Digital and Hybrid Workflows
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