Rangers 46mm UV filter - 1.8mm Ultra-thin 14 layers Multi-Coating MC Japan optics Glass, without vignetting 99% Transmittance allows you to know exactly what your photos will look like. Constructed of Japanese AGC optical glass to ensure excellent optical performance. Black frame reduces the effect of glare and ill-defined rays on the image. 1.8mm Ultra-thin Spiral drawn aluminum frame design (thinnest in the world), 1.8mm separates the front of the filter and lens glassto avoid vignetting on super wide angle lenses, ensuring high strength and shape retention features. 14 Nano-coated layers of advanced polymers covering both sides of the glass to reduce all flare and ghosts caused by reflective light. Also excellent reflection resistance. Note: Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by an "" (diameter) symbol. For example: 46 = 46mm lens thread size.