Product Features Clear Protection Filter Prevents Damage to Lens 1x Filter Factor, +0 Stop No Effect on Image Black Rimmed, Optical Glass Construction Multi-Coated Water, Oil, Static, Scratch Resistant Slim Aluminum-Alloy Filter Ring 82mm Front Filter Threads Knurled Front Edge, Plastic Case 7 Years Manufacturer Canadian Warranty In The Box In The Box Sigma WR (Water Repellent) Protector Filter 82mm Overview Sigma WATER-REPELLENT Overview The Sigma WR (Water Repellent) Protector Filter is a simple, clear filter with a 1x filter factor and is designed to provide general protection for your lens. This optically clear filter does not affect overall image quality while helping to prevent dust, scratches, moisture, and other elements from reaching or damaging your lens. This filter is multi-coated to eliminate internal ghosting and reflections. An anti-static coating serves to limit the accumulation of static electricity, making dust particles easier to remove or preventing them from adhering to the filter. Additionally, a water-repellent coating results in an improved beading effect when in contact with water, as well as oil, for greater cleaning efficiency while enhancing scratch resistance. Sigma WR Lens Protect Filter Designed to protect the camera lens, SIGMA Lens Protect Filter is an ultra-clear, transparent filter with surfacereflection of less than 0.3% that does not affect the visible light range. Ultra Low-Reflection Optics: Less than 0.3% The outer rim of the lens is treated with black-ink and features a special frame structure allowing the filter toachieve an ultra low-reflection of less than 0.3%. With suppression of surface reflection, the filter brings out thecamera’s lens performance to its maximum, achieving excellent image quality. Ultra-Low Reflective Thin Frame The filter mount features multiple light-blocking ridges to eliminate flaring and ghosting caused by diffusion.The high-grade filter glass employed on the SIGMA Lens Protect filter assures improved flatness and intensity whilemaintaining an exceptionally thin frame design. Coated Filter to Lens Thread The filter to lens screw threads are specially coated to provide smooth and easy attaching and detaching of the filter during shooting situations, as well as reducing unneccesary excessive tightening of screwing the filter onto the lens.
