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Review Summary
2021-01-19T07:59:48
The biggest compliment I can give this filter is that I completely forgot it was attached to my lens. I haven’t dropped the camera or done an unscheduled stress test thus far (fingers crossed!), but I don’t have too much worry since the filter is sturdy and well built. Completely worth the cost to have a quality piece of glass at the end of my lens.
JACK P.
2017-11-15T08:30:44
Just got this for my new Sigma Art 85mm. It cuts the UV spectrum and protects my lens well.
KYLE L.
2017-04-20T14:33:02
I bought this to largely protect a Sigma 85mm 1.4 Art lens. The UV reduction in all images is slightly improving my skies as it works with both the lens and camera. It was absolutely flawless to any test I could use to check it. It does not noticeably effect the light that enters the lens.
DWAINE G.
2017-01-10T06:38:16
I purchased this B+W filter to both protect the large lens element of an expensive lens and also to cut down some of the haze typical for long telephotos. This filter has not adversely impacted sharpness at all and has helped cut down the haze. Highly recommended!
DAVID C.
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Sturdy and non-existent filter.
By JACK P.
The biggest compliment I can give this filter is that I completely forgot it was attached to my lens. I haven’t dropped the camera or done an unscheduled stress test thus far (fingers crossed!), but I don’t have too much worry since the filter is sturdy and well built. Completely worth the cost to have a quality piece of glass at the end of my lens.
Great on Sigma Art 85mm
By KYLE L.
Just got this for my new Sigma Art 85mm. It cuts the UV spectrum and protects my lens well.
This UV Filter blocks the invisible UV component of light from the sky, which can cause blur and to which many color films react with a blue cast. These filters should be called UV-Blocking Filters, because there are filters for technical applications that pass UV radiation and block all the other wavelengths. Nevertheless, the short term "UV Filter" has become established among photographers.
UV Filters are ideal for photography in high altitudes (in the mountains), by the sea and in regions with very clean air. The pictures gain brilliance and disturbing blue casts are avoided. Because the glass is colorless, color rendition is not altered, aside from the elimination of the unwanted blue cast, and no increase in exposure is required. That makes a UV Filter very suitable as protection of the front element of the taking lens against dust, flying sand, sea water spray and the like, and it can be kept on the lens at all times. It is recommended for analog color and black-and-white as well as digital photography.
Filter Coating
Multi-Resistant Coating (MRC)
MRC by B+W is not only an extraordinarily effective multiple layer coating, it is also harder than glass, so that it protects filters from scratches (for instance when cleaning the filters), and it is also water and dirt repellent, thus facilitating filter maintenance.
Filter Mount
This filter uses our standard B+W F-Pro filter mount, which has a front accessory thread and is made of brass. Compared to the earlier standard mount introduced in 2001, the F-Pro mount has become thinner. Now it 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