B W 67mm Circular Polariser CPL Filter MRCB+W Code - BW44842 Highly efficient standard circular polarising filter for digital and SLR film cameras. Nearly all modern digital DSLR cameras have beam splitters in the light paths for exposure and /or autofocus lenses. Circular polarization has the same pictorial effect as linear polarisation, but allows for proper exposure metering and/or autofocus distance settings. B+W high quality Polariser filters increase color saturation and reduce reflections. The neutral gray color and plane parallel polarizer material guarantee optimal image results. High-quality optical glass ensures excellent pictorial quality. The filter factor varies according to how the filter is positioned in relation to the sun. Filter factor is between 2.3 and 2.8. Polarisers are popular choice for many photographic applications including color and black-and-white film photography and digital photography.
MRC (Multi-Resistant Coating) by B+W is a very effective multiple layer coating. The MRC coating is harder than glass, so that it protects filters from scratches and it is also water and dirt repellent, thus helping filter cleaning and maintenance.
These B&W filters feature MRC - Multicoated Glass, and brass F-PRO standard mounts, to prevent filters from seizing on the filter threads, and helping easy application of these brass rings filter. Many professionals consider the B+W range to be some of the best filters of the highest quality available.
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