【Ultra Slim Frame】Made of high-quality aviation aluminium keeps the filter lightweight and tough.Only 0.10"/2.52mm ultra-slim frame ideal for wide angle lens and telephoto lens,avoid vignetting and dark corner. | 【Nano Multi Coated】HD AGC glass with 32 layer double side nanometer coating prevents internal ghosting and reflections while the transmittance up to 99.6% and reflectance less than 0.2%. | 【Lens Protection】The multi-coated UNC UV filter protect your expensive lens from dust,dirty,fingerprints,water and scratch while not lowing your photo quality.It also can prevent from accident drops and other damages. | 【UV Light Reduction】Absorbs the ultraviolet light, prevents the harmful effect of UV rays,and reduces the bluish cast in images,ensuring sharpness and contrast,help you snap the true color of photos. | 【General Daily Use】Double-thread design make the lens protection filter can leave on your camera all the time,it compatible with any other accessories such as lens cap and lens hood. | 【Please Noted】The walkingway UNC UV filter compatible with all 40.5mm camera lens.Please verify your camera's lens thread size before ordering. e.g ø40.5mm.