I found a spot on the lens and tried to get it off only making it bigger (yes I am an idiot). Can it be fixed? Also, what should I get for lense cleaning? I gather a blower, right? What about this? " pen shape lens clean kit. A superb new tool in optical cleaning technology. Perfect for cleaning binocular lenses, small aperture spotting scopes and telescopes, eyepieces, and other optical items. Comes with a handy retractable dust removal brush and a special non-liquid cleaning element, designed to never dry out. Safe and very easy to use."