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ABBYY® FineReader PDF Users Guide
Best results can be achieved with bright and evenly distributed light, preferably daylight. On a bright
sunny day, you can increase the aperture number to get a sharper picture.
Using a flash and additional lighting sources
·
When using artificial lighting, use two light sources positioned so as to avoid shadows or
glare.
·
If there is enough light, turn the flash off to prevent sharp highlights and shadows. When
using the flash in poor lighting conditions, be sure to take photos from a distance of
approximately 50 cm.
We advise against using the flash when taking pictures of documents printed on glossy
paper. Compare an image with glare and a good quality image:
If the image is too dark
·
Set a lower aperture value to open up the aperture.
·
Set a higher ISO value.
·
Use manual focus, as automatic focus may fail in poor lighting conditions.
Compare an image that is too dark with a good quality image:
Taking photos