Polarizing filters test 2015

Have you rated your lenses yet?

1 November 2015

Szymon Starczewski

3. B+W Circular-Pol MRC

Polarizing filters test 2015 - B+W Circular-Pol MRC

Another company with tradition and reputation which has to be defended. In our first test of filters high prices of their products were usually followed by good results but there was one slip-up too. Today we are taking a closer look at 4 filters you can find the current line-up of B+W.

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Results of the test

Transmission and extinction coefficient

Red color extinction coefficient: 2.51e-4; Score: 3.5/4
Green color extinction coefficient: 3.14e-4; Score: 3.5/4
Blue color extinction coefficient: 1.44e-2; Score: 0.5/4
Mean transmission of the whole spectrum: 34.52% Score: 1.9/3
Score: 9.4 / 11 pts

Flares

Without filter

With filter

Score: 7.5 / 7.5 pts

Scattering

Luminance: 3.73
Score: 5 / 5 pts

Vignetting

Vignetting difference: 5.59%
Score: 2.45 / 5 pts

Homogeneity

Without reservation
Score: 5 / 5 pts

Final score: 29.4 / 37.5 pts (78.3%)

Overall ranking: 2nd place
Econo-ranking: 9th place

Design, usage and summary

Good, broadband coatings, relatively easy to clean, seem to be the only noticeable difference when you compare this filter to the B+W Circular-Pol E. The spectrum characteristics are almost the same as in the B+W Circular-Pol E.