Product: X1 UV Filter for Camera Lenses - Weather-Sealed UV Filter with Protection Against Dust and Water - MRC4, Ultra-Slim, 25 Year Support, by Breakthrough Photography, 49mm
Brand: Breakthrough Photography
Reliable Lens Protection for Outdoor Photographers
 Lens manufacturers require the use of a protection filter to complete the weather-sealing of the lens. The X1 UV filter prevents dust and dirt from coming into contact with the lens, ensuring a long life. The X1 UV features 4-layers of our state-of-the-art and uniformly applied MRC, which means less flaring and ghosting that you’d normally see with uncoated protection filters. Our modern coating chambers are airtight, producing a uniform coating visible to the human eye when holding the filter at a right angle to a direct light source. Two layers of MRC are applied to each side of the optical disk, resulting in a total of 4 layers (MRC4). In addition to being structurally harder than glass itself, our MRC coating process increases light transmission from 94.6% (without MRC) to 97.8%. 3.5mm Eliminates Vignetting
 The X1 features a 3.5mm ultra-slim double-threaded frame profile to eliminate vignetting on wide-angle full-frame setups. Why 3.5mm? In our lab tests 4.2mm was the frame width at which point 1-stop of light falloff (vignetting) became visible on images with 16mm wide-angle setups on full-frame cameras. With the X1 UV has front-threads, it’s compatible with all your existing filters (for stacking) and lens caps. To ensure the lettering on the filter never fades, we laser engrave text into each aluminum frame rather than use paint-based lettering. About Breakthrough Photography
 Breakthrough Photography is a filter research and manufacturing company that designs, manufactures and sells the worlds sharpest and most color neutral ND, UV and CPL filters to over 180+ countries.
AGC GLASS MADE IN JAPAN: The X1 UV features 4-layers of our state-of-the-art and uniformly applied MRC coatings which reduces flaring and ghosting than you’d normally see with uncoated protection filters
ELIMINATES VIGNETTING: An ultra-slim, double-threaded design that eliminates vignetting on wide-angle full-frame setups
WEATHER-SEALED DURABILITY: Every filter we make, including the X1 UV, is weather-sealed to ensure that your lens is protected against the elements
ALL-NEW DESIGN: The X1 UV has an all-new filter design allowing better grip, making it faster and easier to install and remove
25 YEAR GUARANTEE: Each X1 UV Filter is laser engraved with a unique serial number that is personally registered to you upon activation of your 25 Year Ironclad Guarantee; Any future discussions regarding your X1 UV are tracked and recorded, and goes directly into our design and prototyping pipeline

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