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B+W MRC CPL (Circular-POL) Filter
Filter Size: 39mm
Made In Germany
Note: Above pictures are just for reference. The real filter size pls check the title!!!
MRC Coating (Multi-Resistant Coating)
Extraordinarily effective multiple layer coating, minimizing reflection at the filter surfaces;
Harder than glass, protecting filters from scratches; water and dirt repellent.
Newly-improved F-Pro mount:
1. Maintain the excellent quality of materials, fabrication, and high mechanical stability;
2. Become thinner, so that now it can also be used on many wide-angle lenses without the danger of vignetting.
3. Modified retaining ring, which is no longer threaded in from the front, but holds the filter glass in place from the back. This prevents the retaining ring from being accidentally loosened during the removal of an additional filter or a lens hood that has been screwed in too tightly.
Filter Effect
A Circular Polarizing Filter removes unwanted reflections from non-metallic surfaces such as water and glass. They also enable colors to become more saturated and appear more clear, with better contrast. The effect can be seen through the viewfinder and changed by rotating the filter. The filter factor varies according to how the filter is rotated and its orientation to the sun. Filter factor is between 2.3 and 2.8 (approx. +1.3 stops).
Note: Circular polarizers are specifically designed for use with auto-focus SLR cameras and video cameras. It does not influence the metering systems of these cameras. (They will also work on manual systems without problems)
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