Multi-coating, Harden and Waterproof UV Filter 67mm
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It Protects the DSLR camera lens, minimizes the loss of visible light transmittance, and has a waterproof, anti-oil, anti-scratch effect of three defenses.
Funcion: 1.Waterproof Water-drops dropping on it will form a round droplet which will not spread around. Tilting the Filter with 30 degrees, the water droplets will scroll down, but will not leave a watermark. 2.Anti-oil: After using oily bulk of the pen smears the lens surface, it does not leave the strip pen marks, only some of the dots can be removed, which can be gently wiped with a paper towel or cloth. 3.Antiscratch: According to the requirements of the U.S. military standard MIL-E-12397, using the standard friction test eraser with 1KG pressure wipes back and forth across the surface of the lens 20, no scratches or wipe marks.
Lens material: 1 Lens ring and pressure ring are with the A6063 or A6061 aluminum, and the surface is anodized of the matte black color. 2 Lens is with high transmittance and low absorption glass of the German Schott B270. Producing with super multi-layer double-sided antireflective, waterproof, anti-oil, scratch-resistant coating, a high surface finish and more than 99％ transmittance, does not affect the colors of the scene to reconcile the color balance, so that igniting probability reduces to the minimum. 3 Using 7.0mm ring height and 1.8mm thickness of the glass to break the restrictions of conventional ultra-thin market products so that people has a sense of security, and better reflect the traditional "protection" effect from the UV mirror, in order to avoid damage to its delicate lens.