B+W 39mm Circular Polarizer SC Filter

B+W 39mm Circular Polarizer SC Filter

B+W 39mm Circular Polarizer SC Filter

B&H # BWCP39 MFR # 65-041807
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Product Highlights

  • Helps to Eliminate Reflections and Glare
  • Reduces Haze and Blue Cast in Landscapes
  • Greater Color and Tonal Saturation
  • Single Anti-Reflection Coating
  • Rugged Brass Filter Ring
  • High Quality Schott Glass
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  • 1Description

The B+W 39mm Circular Polarizer SC Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.

A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.

B+W filters are constructed from high quality Schott glass for increased optical clarity and color fidelity. They feature a brass filter ring for durability as well as jamming prevention. This filter is vacuum coated with 1 layer of anti-reflection coating per side to help prevent internal ghosting and reflections as well as improve light transmission.

Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Polarizing filters arrange, and filter, directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.
Clears up haze in distant landscapes and provides more saturated, vivid colors.
Strongest effect when used at a 90° from the sun.
Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
Features a single anti-reflection coating per side to help prevent ghosting and reflections as well as increase light transmission from approximately 92% (uncoated glass) to over 98%.
Constructed from high quality Schott glass for optical clarity.
Brass filter ring helps to prevent jamming and provides additional strength.
In the Box
B+W 39mm Circular Polarizer SC Filter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Filter Type Circular Polarizer
    Filter Factor 2.5 (1.3 Stop)
    Shape Circle
    Circular Size 39 mm
    Rotating Yes
    Front Accessory Thread / Bayonet 39 mm
    Filter Material Glass
    Packaging Infowcfzedbcufcvtvazyrvfefcvbztxrdeadweyq
    Package Weight 0.1 lb
    39mm Circular Polarizer SC Filter is rated 5.0 out of 5 by 8.
    Rated 5 out of 5 by from Excellent filter German filters are considered excellent for a good reason. Smooth action, well coated, and SOLID. This makes an excellent all-around daytime filter for the fuji XF 27 pancake lens. Has a second ring for rotating the outter filter element, which sticks out enough to shield the element from abrasion inside your bag, meaning you can put this one and not bother with the lens cap if your bag is clean. You lose a stop or two of light, so I take it off indoors / at night. At the time I bought it, it was also not very expensive (around $ I think?). GREAT bargain.
    Date published: 2014-05-28
    Rated 5 out of 5 by from Amazing I've used polarizers of the 77mm to 82mm variety and never had thoughts that a filter affixed to such a small thread would be as effective, but I was pleasantly surprised to find the impact of the 39mm version was as immediately apparent as those of the larger radii. Expensive, but well worth the price of admission!
    Date published: 2015-09-18
    Rated 5 out of 5 by from Polarizer Works Fine The filter fits the lens fine. It performs the polarizing function, deepening blue sky efficiently. I haven't tried it on reducing reflections yet but I would imagine it does a good job on that too.
    Date published: 2015-01-26
    Rated 5 out of 5 by from Works as Designed It's well constructed and durable. I use it frequently when shooting outdoors. I would recommend purchasing a 39mm stack cap to protect this and any other 39mm filters.
    Date published: 2016-08-30
    Rated 5 out of 5 by from Worth the $ Not all filters are created equal. This one has a wonderful antireflection coating and a fine mount. These days, you don't need lots of filters. Splurge on a good one.
    Date published: 2015-03-12
    Rated 5 out of 5 by from Does the Job! Bought this for my Fuji and Voightlander lenses. Works well. A bit pricey but it's B+W quality so I'm okay with that.
    Date published: 2015-11-15
    Rated 5 out of 5 by from Worth the money I use this on my Fuji 27mm. Works as a circular polarizer should.
    Date published: 2014-03-23
    Rated 5 out of 5 by from The Best B+W filters are excellent. Well worth the money.
    Date published: 2014-09-21
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