What does this filter actually do?
It serves two main purposes: physically protecting your lens front element from scratches, dust, and moisture, and optically filtering out ultraviolet light to reduce atmospheric haze and blue colour casts in images, particularly in bright outdoor conditions.
What does MRC coating mean?
MRC stands for Multi-Resistant Coating. It's a proprietary B+W technology that applies multiple microscopic layers to the glass surface, making it highly resistant to water, oil, fingerprints, and dirt while reducing reflections and making the filter easier to clean.
Will this filter affect my image quality?
Properly designed UV filters like this one should have minimal impact on image quality when clean. This filter has no multiplying factor (doesn't affect exposure) and uses colour-neutral glass with anti-reflection coatings to maintain optical performance while providing protection.
What size lenses will this fit?
This specific model has a 49mm thread diameter, so it will fit any lens with a 49mm filter thread. Always check your lens specifications for the correct filter thread size before purchasing.
Can I leave this filter on my lens permanently?
Yes, many photographers use quality UV filters as permanent protective covers. The slim design allows most lens caps to still fit over the filter, and the MRC coating makes it easy to keep clean without frequently removing it.
Where is this filter made?
The B+W Basic UV-Filter MRC is manufactured in Germany, known for precision optical engineering and quality control standards.
What's included in the packaging?
Typically, B+W filters come in protective cases or boxes, but the exact packaging may vary. The filter itself should be the primary item included.