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B + W Circular Polarizer Kaesemann - Xtra Slim Mount (XS-PRO), HTC, 16 Layers Multi-Resistant and Nano Coating, Photography Filter, 77 mm
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Brand | B + W |
Material | Glass |
Photo Filter Thread Size | 77 Millimeters |
Photo Filter Effect Type | Polarizer |
About this item
- Make sure this fits by entering your model number.
- A MUST-HAVE – Whether you’re indoors or outdoors, the right polarizing filter is a must for every photography equipment. No other filter provides such a simple and fast method for breathtaking pictures through reduced reflections on water and smooth non-metallic surfaces. Enjoy richer colors in landscape photography, outlining clouds, skies, and skylines in perfect clarity.
- EASY TO USE CAMERA FILTER - The Käsemann polarization filter can easily be screwed onto the filter thread of most lenses. Thanks to its special design, the adjustment ring can then be rotated on the filter without resistance in order to improve your images in the simplest possible way. You see an immediate result through the camera viewfinder, or on the display. Adjust the effect strength as desired.
- BEST WORKMANSHIP - The High Transmission (HTC) polarization film is set between two precise ground and polished cover glasses. It is particularly neutral in color and of high quality, providing for much sharper and richer images than conventional polarizing filters. The MRC glass has been refined with several wafer-thin layers of coating to ensure high scratch resistance and a dirt- and water-repellent effect due to nanotechnology (lotus effect).
- TOUGH & SOLID MOUNTS - B+W sockets are absolutely accurate, easy to apply, and easy to adjust as polarizing filters thanks to their precision manufacturing. With an extra narrow XS-PRO mount, vignettes can be ruled out in most cases, even at high wide-angle angles. Due to the internal thread, a conventional lens hood can also be fitted so you can take better pictures.
- MADE IN GERMANY - Schneider Kreuznach (B + W) – We’re 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’re helping photographers everywhere take clearer, crisper images.
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Product Description

Optical Excellence for Analog and Digital Photography
If you’re a professional or an amateur photographer and whether you prefer landscape, portrait, animal, real estate, or sports photography - the hardware requirements for photography should not be underestimated!
For instance, Schneider Optics and their wide range of B + W photo filters offer an exceptional lens accessory designed to help you make the most out of each and every shot without breaking the bank.
Using A Polarizing Filter In The Field
B + W polarizing filters ensure that reflections and light reflections can be drastically removed from the photographs that you take. Things like disturbing elements, unwanted reflections on water, glare on a pane of glass, among others, can be easily removed way before post-production. Even absolute professionals with the best post-processing software cannot achieve these results afterwards without filters! However, since every object reflects and scatters light (e.g. blades of grass), it can sometimes happen so quickly that colors become falsified and appear dull and boring.
Especially in landscape photography, the photo filter works to – quite literally – filter out these reflections and ensure that a green meadow or a blue sky looks richer, more colorful, and more natural.

Comparison
Especially in landscape photography, the photo filter works to – quite literally – filter out these reflections and ensure that a green meadow or a blue sky looks richer, more colorful, and more natural

Comparison
Especially in landscape photography, the photo filter works to – quite literally – filter out these reflections and ensure that a green meadow or a blue sky looks richer, more colorful, and more natural

Comparison
Reduce reflections from windows, ponds, lakes and many more.

Comparison
Reduce reflections from windows, ponds, lakes and many more.

Without

With B+W Filter

Without

With B+W Filter

Made in Germany
Whether in Hollywood, aboard the Apollo spacecraft for NASA’s moon landing, in the photo studios of professional photographers, or on the lenses of amateur photographers - Schneider Kreuznach stands with its filter brand, B + W for first-class photo accessories.
With one of the most advanced research and development departments in the industry, Schneider Kreuznach ensures continuous improvement and completely new and unique methods around thin film technology, nano-coating, antireflection technology, and much more as they continue to move into the future.
Today, state-of-the-art production facilities, precise CNC machines, and a highly developed antireflection coating technology promises top quality that is among the first and finest in the world market, making Schneider Kreuznach one of the leading camera lens filter manufacturers.
Choose Your Mount
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F-Pro (Standard Mount)
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XS-Pro (Slim Mount)
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T-Pro (Titanium Mount)
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Choose Your Coating
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E (Standard Quality)
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MRC (Premium Quality)
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MRC nano (Premium Quality + nano)
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B + W Protection/Clear | B + W UV | B + W Neutral Density (Variable) | B + W Neutral Density (Fixed) | B + W Cirular Polarizer High Transmission (Kaesemann) | Circular Polarizer | |
Intended Use | Protects your lens from damage and dirt. Highly transparent and protective. | Blocks undesirable UV components of daylight. Invisible UV light is more intense in pure sea air and in high mountain regions and can cause blurring and a blue cast. | Reduces light for larger apertures. Ideal for portraits. Cotton candy effect for moving water, crowds, and cars. With variable 1-5 ND stops. | Reduces light for larger apertures, ideal for portrait. Cotton candy effect for moving water, crowds, and cars. With fixed ND stops. | Reduces reflections from a variety of surfaces. Increases color saturation and contrast. With higher transmission and outstanding effectiveness. | Reduces reflections from a variety of surfaces. Increases color saturation and contrast. |
Available as F-PRO (Standard Mount) | ✓ | ✓ | ✓ | ✓ | ||
Available as XS-PRO (Slim Mount) | ✓ | ✓ | ✓ | ✓ | ✓ | |
Mounting Material: | Brass | Brass | Brass | Brass | Brass | Brass |
Matte black coated Mounting | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Frontmount | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Available Diameter | 30.5 mm - 112 mm | 30.5 mm - 112 mm | 46 mm - 95 mm | 30.5 mm - 95 mm | 37 mm - 82 mm | |
fine-polished filter glass for highest demands | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Made in Germany | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Compare with similar items
Product information
Size:77 mm | Style:XS-PRO (Slim Mount) | Pattern Name:PolarizerProduct Dimensions | 3.75 x 0.75 x 3.75 inches |
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Item Weight | 2.4 ounces |
ASIN | B00OK6YSAS |
Item model number | 66-1081478 |
Customer Reviews |
4.6 out of 5 stars |
Best Sellers Rank |
#3 in Camera Lens Filter Sets
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Is Discontinued By Manufacturer | No |
Date First Available | March 5, 2015 |
Manufacturer | B + W |
Warranty & Support
Feedback
Customer reviews
Top reviews from the United States
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The filter that I received, from what turned out to be a third-party seller (fulfilled by Amazon), was a counterfeit. I use this filter on multiple lenses and was able to compare - the fake one has white/silver text and in a different font than the yellow/gold on the original, is significantly lighter, and turns much less smoothly than the original. If you search online, there are articles of fake B+W products being sold, and it seems some are indeed showing up when ordering via Amazon.
I got around to doing some tests (see the attached image) and you can see what I mean. My Tiffen polarizing filter performs great, blocking out the computer screens as expected. But when I put on the knockoff B+W filter, I see a HUGE drop in exposure. I didn't calculate exactly, but it seems like it darkens the image by 4-5 stops. And when I raised the exposure to match my Tiffen filter, I saw a very noticeable blue/purple color shift, which is most evident in the bottom left corner of the frame (where a daylight balanced LED is shining through the glass table).
HOW TO TELL IF YOU'VE RECEIVED A KNOCKOFF FILTER:
-The filter significantly lowers your exposure and/or adds an ugly color shift to your image (this is the most surefire way to determine if you have a fake)
-The filter is lightweight (the real one is supposed to be brass, which is heavier than a typical cheap filter)
-The filter has white printing on the front ring (the B&H product listing shows this filter with gold text, so I believe the real filter has gold text instead of white)
Search for "B+W fake filter" online and you'll find an article on The-Digital-Picture which has more info on this. It says "In general, photographs of boxes and the text on the filter will not confirm a legitimate B+W product" so the most surefire way to determine if you have a fake filter is to test it on your camera like I did.
My recommendation is to buy this filter from a reputable source like B&H until Amazon can get it together and remove the fake listings/sellers from this product page. Or you can get it here and risk having to return it. Just be cautious!
Perhaps I should define B+W’s string of acronyms. This is an F-Pro HTC KSM CPOL MRC filter. F-Pro refers to the type of mount. This mount is of standard thickness. B+W says that it can be used on a 35mm lens (63º angle of view) and most 28mm lenses (75º angle of view) with 35mm film or a full-frame digital sensor without vignetting. If your lens is very wide angle, you may want the XS-Pro mount, which is thinner, or the Extra-Wide mount, which extends the polarizer beyond the size of the mount. B+W claims that the XS-Pro will not vignette with most 17 mm lenses.
HTC stands for High Transmission Circular, which means more light gets through than non-HTC filters. KSM stands for Kaesemann (or Käsemann). Kaesemann was an independent company that patented a process to seal the edges of two layers of glass so that moisture could not get inside. Schneider, which owns B+W, purchased Kaesemann in 1989. They use that process in their circular polarizers. When a filter is referred to as “Kaesemann”, it also means that its glass has “maximum color neutrality” and outstanding sharpness. So it is high quality glass.
CPOL means Circular Polarizer. MRC means Multi-Resistant Coating. Filters that have MRC reflect less incident light (about 0.5%) than single-coated filters (about 2%), and they repel dirt and water more efficiently, making them easier to keep clean. Single coated filters have one layer of coating on each side of the filter. MRC filters have 8 layers of coating on each side of the filter, the outer of which repels dust and water. The MRC NANO coating on some of B+W’s filters (not this one) repels dust and water even more efficiently. I think that covers the acronyms.
I was curious to compare this polarizer to my Nikon circular polarizer (now discontinued), because B+W claims that its HTC filters cause 1-1.5 stops of light loss as opposed to “up to 3 stops with standard polarizers.” B+W’s Standard F-Pro Mount polarizers are described as causing 2.3-2.8 stops of light loss. That’s a lot! In testing this F-Pro HTC KSM CPOL MRC filter against my Nikon polarizer, I found no difference in light loss. I tested it in removing reflections from glass and in deepening blue skies and fall foliage. With ISO set to 400, the difference between minimum and maximum blocking was 1 EV. The polarizer being attached to the lens causes a little more than 0.5 EV light loss. So total light loss is about 1.5 EV with the filter used to maximum effect. The B+W works very well, and I prefer it to my Nikon for most applications, because the Nikon is extra-wide so tends to bang into things.
Attached images: (1) Light reflected by car windows at different angles. Rotating the polarizer to different positions eliminates reflections from the front or side windows. (2) Fall foliage and blue sky. The top photo uses the polarizer to maximum effect. The bottom photo is without any polarizing filter.
Top reviews from other countries

Ich veröffentliche hierzu 2 Bilder, einmal mit Filter und das andere Bild ohne Filterwirkung. Hier kann sich jeder seine eigene Meinung bilden. Verwendetes Equipment: Canon EOS 6 D, Vollformat. Objektiv Canon L Serie 24 - 105 mm. Landschaftsmodus. Beide Bilder sind unbearbeitet!

Reviewed in Germany on May 26, 2019
Ich veröffentliche hierzu 2 Bilder, einmal mit Filter und das andere Bild ohne Filterwirkung. Hier kann sich jeder seine eigene Meinung bilden. Verwendetes Equipment: Canon EOS 6 D, Vollformat. Objektiv Canon L Serie 24 - 105 mm. Landschaftsmodus. Beide Bilder sind unbearbeitet!




Reviewed in the United Kingdom on March 8, 2020





The filter itself is the usual Schneider Kreuznach quality which sets a very high standard in my opinion. Yes it is quite expensive but you get what you pay for.

Für meine Macro-Kombi bestehend aus Sony Alpha 7R II und SEL90M28G Objektiv mit 62 mm Filtergewinde benötigte ich einen POL-Filter, um störende Reflexionen z.B. von Glasplatten etc. zu minimieren. Doch wenn man schon eine HighEnd-Kombi nutzt, wäre es Frevel, einen Billigfilter zu nutzen. Deshalb fiel meine Wahl auf ein Produkt „Made in Germany“ von B+W (Schneider-Kreuznach) aus der F-Pro Serie.
► Verpackung und Lieferumfang:
Der Filter wird, wie bei den meisten Wettbewerbsprodukten auch, in einer Kunststoffbox geliefert. Diese ist allerdings nicht so spröde, sondern besteht aus einem weicheren, flexibleren Material und sollte auch beim Transport im Rucksack keinerlei Schaden nehmen. Die Kunststoffbox selbst ist von einem nicht versiegelten blauen Umkarton umgeben. Dieser ist mit einem individuellen QR-Code-Sticker versehen, welchen man mit einem Smartphone scannen und somit die Echtheit des Produkts verifizieren kann.
► Erster Eindruck und Verarbeitungsqualität:
Ich habe schon viele Filter besessen, günstige und mittelpreisige. Der B+W Filter ist mein bislang teuerster Filter und allein die solide und gut designte Fassung ist eine Klasse für sich. Der gerändelte Ring zum Verschrauben mit dem Filtergewinde ist im Durchmesser etwas größer gehalten als der Ring zum Einstellen der Polarisation. Bei meinen bisherigen Filtern waren die Durchmesser immer gleich, weswegen es häufig Probleme beim Entfernen der Filter gab.
Auch war der Filter absolut frei von Staub oder Fingerabdrücken. Man sollte meinen, dies sei eine Selbstverständlichkeit. Aber gerade bei Hoya-Filtern hatte ich schon oft verschmutzte Filter in der Verpackung vorgefunden.
► Funktion und optische Qualität:
Wer sich einen POL-Filter kauft, weiß in der Regel wozu dieser da ist und was er damit machen will. Dennoch möchte ich für Neulinge einige wenige Worte darüber verlieren.
Mittels eines Polfilters kann man störende Lichtreflexe entfernen oder zumindest minimieren. Solche Lichtreflexe findet man häufig auf spiegelnden Gewässern, Autolackierungen oder Glasscheiben. Gleichzeitig kann man bei Landschaftaufnahmen die Farbsättigung erhöhen und erhält kontraststärkere Aufnahmen. So wird z.B. das Himmelsblau entsprechend verstärkt.
Was viele Anwender aber nicht wissen ist, dass die Wirkung eines Pol Filters vom Aufnahmewinkel der Kamera zur Motivoberfläche abhängig ist. Der optimale Aufnahmewinkel zu spiegelnden Flächen liegt bei ca. 35°. Bei Landschaftsaufnahmen erreicht man hingegen eine maximale Wirkung bei einem Aufnahmewinkel von ca. 90° zur Sonne. Bei trübem Wetter hat ein Pol-Filter allerdings so gut wie gar keine Wirkung. Auch ist es nicht möglich, Spiegelungen metallischer Gegenstände zu verringern.
Doch zurück zum eigentlichen Produkt dieser Rezension. Die High-Transmission Filter von B+W sind zwar seitens ihrer optischen Qualitäten absolute Spitzenprodukte, dennoch wird ein gewisser Anteil des Lichts zurückgehalten, weswegen man von einem Filterfaktor von 2-3 spricht. Dies entspricht einem Verlust von ca. 1 – 1,5 Blendenstufen. In meinem Falle bemerke ich bei Macroaufnahmen dann auch gelegentlich, dass für die automatische Fokussierung nicht genügend Licht zur Verfügung steht. Hier empfiehlt es sich, den Filter erst einmal auf maximale Durchlässigkeit zu drehen, zu fokussieren und erst wenn der Fokuspunkt gesetzt ist, den Filter auf maximale Wirkung zu verdrehen und dann abzudrücken.
Die A7R II mit ihren 42 Megapixeln ohne Tiefpassfilter legt jede optische Schwäche eines Objektivsystems gnadenlos offen. Dennoch konnte ich keinerlei negative optische Effekte feststellen. Der Filter minimiert unerwünschte Reflexionen, nicht mehr und nicht weniger. Dafür habe ich ihn gekauft und er macht was ich von ihm erwartet habe.
Neben den optischen Qualitäten gibt es einen weiteren Grund für den hohen Preis dieses Filters. Und das betrifft die Verkittungstechnik. Viele preisgünstige oder auch mittelpreisige Filter sind bereits nach einer gewissen Zeit nicht mehr verwendbar, weil sich die Polarisationsfolie vom Deckglas löst. B+W Filter sollen über eine besonders robuste Verkittung verfügen.
► Unterschied zwischen F-Pro und XS-Pro Fassungen
Der Unterschied liegt in der Bauhöhe der Fassungen (Dicke) und der damit verbundenen Vignettierung. Für Weitwinkelobjektive sollte man also auf jeden Fall XS-Pro Fassungen verwenden um eine unerwünschte Vignettierung zu vermeiden. In meinem Falle (90 mm Brennweite) spielt das aber keine Rolle und so hat die F-Pro Fassung den Vorteil, dass der (dickere) Drehring so besser zu bedienen ist.
► Fazit:
Wer auf kompromisslose Qualität achtet und mit HighEnd-Equipment fotografiert, sollte die maximalen Abbildungsleistungen nicht durch falsche Sparsamkeit in Frage stellen. Die B+W Filter genießen unter Fotoprofis nicht umsonst einen exzellenten Ruf.

I tried this filter with my Leica M lens and camera and failed to notice any difference with or without it in any position. This is not to say that it'll be the same on other camera makes or models. It could be that Leica's Apochromatically corrected Aspheric lens's already deliver what this filter suppose to do
I've given 3 stars thinking that B+W should have tested the filter with various camera and lens and have produced compatibility list but it looks like they're not interested.
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