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UV filters test - supplement

30 October 2009
Szymon Starczewski

4. Fomei WDG-MC Ultraviolet 72 mm

UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm
UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm
Fomei WDG-MC Ultraviolet 72 mm
Price: 72 PLN


As it is described by the Polish distributor, the Fomei WDG-MC Ultraviolet filter was made of high quality glass, covered with multi-layered, anti-reflexive coatings MC (multicoating). The filter is available in diameters ranging from 52 mm to 77mm and the 72 mm specimen, tested by us, costs about 72 PLN.

Test result

Transmission
UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm


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Mean transmission of ultraviolet light 17.5% - Score: 3/10
Mean transmission of visible spectrum light 96.4% - Score: 7/10
Score:
10/20
Flares
Without filter
UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm

With filter
UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm

Corner - Score: 0/5
Frame centre - Score: 2/5
Frame edge - Score: 2/5
Score:
4/15
Vignetting
UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm

Edge darkening 0.1%
Score:
5/5
Homogeneity

Without reservations
Score:
5/5
Final result
Final result:
24/45 pts (53.3 %)

Summary:

The filter’s score was 24/45 (53.3%).
Taking into account the previous ranking and omitting the homogeneity score, which wasn’t tested before, the Fomei filter would be 14th in the overall ranking.

The filter doesn’t fulfill its purpose as the UV radiation is cut off too late. Apart from that, the lack of 4% of light transmission returns in the shape of reflections and it generates very intense artifacts. We get the lens protection in return but a cap will perform this function even better.

The filter was lent courtesy of the Medikon company.