This filter fulfils the desire of many photographers for pure lens protection without a filter effect. Its only function is to keep dirt, sand, or splashes away from the front lens. The extremely clear special glass with high transmission is MRC-finished.
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All custom boat covers are non-returnable. Semi-custom boat covers and bimini tops may be returned as per the conditions below. They are subject to a 20% restocking fee and must be returned in their original packaging in new condition.
All semi-custom covers and biminis require a Return Merchandise Authorization number (RMA). Returns to the wrong location and/or without an RMA number will be rejected. Please contact CameraWorld.com Customer Service to acquire a RMA number and shipping address. Click Here for Complete Return and Exchange Policies for Exclusive Online Products
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.
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.
NOTE: diopters are mounted in the older mount due to glass thickness.