How to clean the camera lens.
Do not use hard things to clean on the line
It is best to use a glass of cloth to get some alcohol wash
then you can use the glasses to wash the cloth with some alcohol, do not hand or other hard To get, this is the industrial lens, scratched your scan effect on the affected
Hello, we are the production of the scanner, you usually do not have to cover the best with black cloth, if the lens to determine the dirty,
