I used my "felt tip" pen to clean a finger-print i left early today, but after a few scrubs, it left marks as seen in the attach pic. what happen? i did scratch the coating off? or the felt pen is dirty?
the filter is a Canon UV haze (Sharp Cut)
http://pics.bbzzdd.com/users/andylawcc/IMG_0201.JPG
the filter is a Canon UV haze (Sharp Cut)
http://pics.bbzzdd.com/users/andylawcc/IMG_0201.JPG