Let the best view shine through your optics with a quick cleaning. Vortex brings you this cleaning kit for easy cleaning of binoculars, spotting scopes and other optics...even eyeglasses and sunglasses. Apply the lens cleaner for effective cleaning and anti fog protection without affecting optical properties. Meets Federal specification NNN P 40B. Clean off fingerprints and other smudges with the Vor Tek microfiber cloth.