B+W
B+W 66-023184 40.5mm UV Protection F-PRO Filter
★★★★★
German-engineered 40.5mm UV filter with 16-layer multi-resistant coating for lens protection and haze reduction.
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Overview
Key Features
PROTECT YOUR EXPENSIVE CAMERA LENSES - The B + W40.5 mm UV haze clear camera filter is here to add 16 multi-resistant layers of protection against accidental drops, dust, flying, fingerprints, dirt, scratches sand or seawater spray. Enjoy outdoor photography without worrying about your precious lenses anymore.
TAKE BLUE CAST OUT OF THE PICTURE - Literally. Whether you are a professional photographer or a beginner, the invisible Ultra-Violet component of light from the sky is a common issue. Our UV-blocking haze protector filter for 77mm lenses will eliminate blue cast and help you snap clearer images.
F-PRO MOUNT - Thanks to precise precision manufacturing, B+W sockets fit absolutely accurately and are easy to install. The robust F-PRO filter with 40.5mm ensures easy handling, is suitable for wide-angle applications, and has a large selection of diameters as well as filter types. The internal thread means that a conventional lens hood can also be fitted.
CHOOSE YOUR SIZE – To select the appropriate filter size, check your lens. On all lenses from Canon, Nikon, Olympus, Samsung, Fuji and other manufacturers there is a printed diameter symbol that determines the filter size.
MADE IN GERMANY - Schneider Kreuznach (B + W) – We are proudly your precision mechanics specialists for filters, photography, optics and precision, with more than 100 years of German experience. Schneider products have already been used in NASA's Apollo missions. Thanks to our multi-resistant nano coating lens filter, we are helping photographers everywhere take clearer, crisper images.
Specifications
Brand
B+W (Schneider Kreuznach)
Model
66-023184
Filter Size
40.5mm
Filter Type
UV Protection (010)
Mount Type
F-PRO
Coating
MRC (Multi-Resistant Coating), 16 Layers
Material
Optical Glass
Thread Size
40.5mm
Country of Manufacture
Germany
Pros & Cons
👍 Pros
- 16-layer MRC coating effectively repels water, oil, and fingerprints for easy field cleaning.
- F-PRO mount threads on smoothly and includes a front thread for stacking hoods or additional filters.
- Provides constant physical protection against scratches, dust, and accidental impacts on the front element.
- Slim profile reduces the risk of vignetting at wide-angle focal lengths.
- Manufactured in Germany by Schneider Kreuznach with over 100 years of optical expertise.
👎 Cons
- 40.5mm is a less common thread size, so it fits only a limited range of lenses.
- Does not include a protective case or pouch for storage when removed from the lens.
- MRC coating version commands a higher price than uncoated UV filters of the same size.
- Adding any front filter can introduce minor additional flare in extreme backlit conditions.
Frequently Asked Questions
Will the B+W 40.5mm UV filter affect image sharpness or introduce color shifts?
No, the multi-resistant coating and high-quality optical glass are designed to be optically neutral, so sharpness and color accuracy are preserved.
Can I attach a lens hood on top of this filter?
Yes, the F-PRO mount includes an internal front thread that accepts standard lens hoods and additional filters.
What does the 16-layer multi-resistant coating do?
The MRC coating reduces reflections, repels water and oil, and resists fingerprints and smudges, making the filter easier to clean and less prone to flare.
Is this filter suitable for wide-angle lenses?
Yes, the F-PRO mount has a slim profile designed to minimize vignetting on wide-angle focal lengths.
How do I determine if 40.5mm is the correct filter size for my lens?
Check the front of your lens or the inside of your lens cap for the diameter symbol (ø) followed by a number — that number is your filter thread size.
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