Vortex Lens Cleaning Pen, Optics Lens Cleaner Now you can get rid of smudges, dust, and oily fingerprints that blur the best of views. This Lens Pen from Vortex gives you everything you need in a small, lightweight package that's no larger than a pocket pen. The Vortex Lens Pen uses a revolutionary non-liquid compound that outperforms other cleaners - won't spill or dry out. Safe and easy to use on all lenses. Reduces static charge build-up. Retractable natural hair brush removes dust.