One of our primary missions is making sure that your optical equipment operates at its best, at all times. Part of regular maintenance for any optic should be cleaning the glass on your optics. With precision glass you need to use only the right tools! We’re here to help with an authentic LensPen! Perfect for cleaning your optic, binocular lenses, small aperture spotting scopes and telescopes, 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. Full-size LensPen® 11cm long with a round cleaning tip measuring 12mm in diameter Cleaning tip is slightly concave to match the slightly convex shape of a lens