This MRC Basic Circular Polarizing Filter from B+W reduces reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. Light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing it to scatter into what appears as haze. A polarizing filter arranges this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage. Objects and people behind surfaces such as shop windows and car windshields become visible again, a fascinating image enhancement without the need for image processing in post production.
B+W MRC Basic filters are equipped with the exclusive Multi-Resistant Coating (MRC) nano premium coating technology. This high-quality broadband coating is applied on both sides and enhances the optical imaging properties, allowing uniform and increased transmittance across the entire light spectrum to be achieved, with minimal physically induced remaining reflection. The nano all-round protection on the filter glass also ensures increased scratch resistance as well as extremely fast and easy cleaning for a long filter life. The slim filter ring design is compatible with wide-angle lenses with an equivalent width of a 17mm full-frame lens. The top knurling is redesigned for enhanced gripping.
Filters, like all crafted optics, are susceptible not only to breakage, but to premature aging caused by environmental factors. Most filters are made up of several layers of materials consisting of glass, dyes, optical cements, chemical compounds, particles etc. Even with protective measures employed, there are many factors that can still affect the longevity of the filter: moisture (prolonged exposure to humidity), excessive heat and excessive light are the most common environmental causes that can affect the filter’s chemistry over time.
To protect your filters and keep them in great working condition for a long time (along with the rest of your camera gear) we recommend making sure to keep the filters stored in a dark, cool, and dry place when not in use. The use of filter pouches or specialized cases will also keep your filters safe from breakage when not in use. If you are in a humid environment, the addition of fresh silica gel packs or a dehumidifier in the room they are stored is also highly recommended. Protecting your filters as you would your camera lenses will ensure many years of use of your filters.
What do you recommend cleaning filters with?
Hand blower first, if it's just light dust,that usually handles it. If you need to clean further, a Kim Wipe sprayed with Tiffen/Pancro Lens Cleaner, work in a circular motion from the middle out.
We at Guru Enterprises in Chatsworth, CA thank-you for stopping by. Please keep us in mind for all your requirements in motion picture equipment in future.
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