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You determine the “optimal” setting for your images. To ensure that as many pixels of the imager as possible are used for you images, your image should fill the scanning area vertically. This will typically occur with the slider in the middle (nominal) range of the scanner either at, or within a few percentage points either way, of the center of the slider.
However you may wish to use other settings. To ensure that you obtain all of the image for one piece of film after another, you may wish to leave magnification at the negative end (underscanning) of the magnification slider. On the other hand if you always have “extra” space around the portion of the image you want to use, then you may wish to leave magnification at the positive end (overscanning) of the magnification slider.
The most recently used magnification setting for each film size is maintained from one work session to the next in the preferences file for the Scanner.
PreScan the Image Again
5.If you have changed the MAGNIFICATION ADJUSTMENT in the previous step, click PRESCAN to see the result of the changed magnification setting; repeat steps 4 and 5 as desired.
