Operation 4
TANGO / TANGO XL – Operation 4–7
8 Focus on/off Function
The focus setting of the scanner lens is per-
formed automatically in the middle of the
defined scanning area.
When scanning certain types of originals, e.
g. collages, this setting can lead to an incor-
rect focus value, because the middle of the
original is not on the same focus plane as
the individual collage pictures.
In the case illustrated above, the automatic
focus setting at the middle of the original
can be “disabled” and the focus point “posi-
tioned” by means of a special operation.
Proceed as follows:
1. Perform a prescan on the image section
with desired focus point in the middle.
Scanning collages
Desired focus point in the picture
Center of original = automatic focus point
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