... protect lens 4.High Light Transmission Rate 99.2% ♦ ApplicationsDetectors, pyrometers,security video cameras, infrared receiver, laser rangefinder, ... , night-vision mibile phone, laser measurement instrument.♦ Protection for your lensProtects your camera lens from all dust, dirt, ... This basic clear glass filter is a must for every lens.♦ CoatingSMC - Water, Oil repellent, Scratch & Stain resisitance ...