UV filters test
22. Marumi 77 mm WPC UV
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Marumi is a very popular Japanese firm and very highly regarded by photographers. The company specializes in making all kinds of glass filters. It also offers a few UV filters. The WPC (Water Proof Coating) series is equipped with special coatings, which make the water disappear faster, and therefore they are easier to keep clean. This series of filters also have the Slim version thread, which reduces vignetting when using wide angle lenses.
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Test result:
Visible light (390 - 750 nm): 98.9 %
Ultraviolet (200 - 390 nm): 31.5 % |
1/10 |
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| Edge darkening at the immeasurably small level |
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| Final result: 8th place in the overall ranking and a good rating Cost-to-Benefit result: 10th place |
-0.9 |
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Summary:
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This is probably the most controversial filter of all. It has absolutely the best light transmission in the visible range. However, it transmits the biggest amount of UV rays at the same time. The Marumi WPC filter is perfect as a protection filter, but to call it a UV filter is simply a mistake.
