K&F Concept Classic MCUV Filter comes with 77mm Circular Size filter, UV (Ultra Violet), UV Blocking with standard mount. This Filter featured with Multi-Coated, Glass. This filter will help you to reduce fog and glare excellently, keep finger print, dust and scratches at Bay, By using this filter, you will get free of dark coerners during wide angle shoot also. In this Filter, Super slim and lightweight aluminum frame, maximum reduce impact on light and effectively avoid dark corner for wide-angle shooting. Here UV filter reduce haze and improve contrast to your digital images vide by minimizing the amount of ultraviolet (UV) light and helps eliminate bluish cast in images. This is High Transmittance, Low Reflectivity, Multi-layer coating to prevent fogging with High Transmittance, Low Reflectivity Filter. The K&F Concept Classic MCUV 77mm Filter has no warranty.