B+W 37mm F-Pro Circular Polariser SC Filter

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  • Regular price $139.00

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This B+W F-Pro Circular Polariser SC Filter reduces reflections of non-metallic surfaces and increases colour saturation and contrast. The neutral grey colour and plane parallel polariser material guarantee optimal image results. High-quality optical glass ensures excellent image quality. The filter light-loss factor varies according to how the filter is positioned in relation to the sun. Filter factor is between 2.3 and 2.8.

Each glass surface is vacuum coated with one layer of Anti-Reflection coating. This single layer helps to prevent internal ghosting and reflections. It also improves light transmission from approximately 92% (uncoated glass) to over 98%.

This filter uses the standard B+W F-Pro filter mount, which has a front accessory thread and is made of brass. The F-Pro mount can be used with wide angle lenses, including most 24mm focal lengths on a full frame body, without vignetting. Another advantage of the F-Pro mount is it's modified retaining ring, which is no longer threaded in from the front, but holds the filter glass in place from the back. When removing a filter or lens hood that has been screwed on too tight to the filter, the retaining ring is not at risk of loosening.