Step 2:
Verifying that the dust/debris exists on the mirrors.
Calibration card Image from application
Note the horizontal dust lines at top of the card
If there is dust on the mirrors, you will see a dust line (as illustrated by the number 1 on the figure below) on the left
section (number2) of the image. The Left section (number 2) is the uncorrected side of the image and the Right Section
Содержание M500
Страница 2: ...Dust lines yellowing at top of image ...