Breakthrough Photography 49mm X2 Circular Polarizer Filter

Breakthrough Photography 49mm X2 Circular Polarizer Filter

Breakthrough Photography 49mm X2 Circular Polarizer Filter

B&H # BRX2CP49 MFR # X2-CPL-49MM
Breakthrough Photography 49mm X2 Circular Polarizer Filter

Breakthrough Photography 49mm X2 Circular Polarizer Filter Cloth

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Product Highlights

  • Circular Polarizer Filter
  • 2.8x Filter Factor, +1.5 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
  • Greater Color and Tonal Saturation
  • MRC Coating, Nano Coating
  • Asahi Glass Construction
  • Aluminum-Alloy Filter Rings
  • 49mm Front Filter Threads
  • Thin Filter Ring, Knurled Sides
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  • 1Description

The Breakthrough Photography 49mm X2 Circular Polarizer 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.

To prevent internal ghosting and reflections while providing 99.7% polarizing efficiency and 47% light transmission, each glass surface includes four layers of anti-reflection coating. This Multi-Resistant Coating (MRC) also offers greater protection to the filter substrate and helps it to stay clean for longer than with uncoated filters. The Nano coating associated with X2 circular polarizing filters provides an additional fifth layer over each MRC, resulting in an improved beading effect when in contact with water for greater cleaning efficiency.

This Breakthrough Photography circular polarizer filter is constructed from Asahi glass for increased optical clarity as well as color fidelity and features thin, aluminum-alloy filter rings to minimize the potential for vignetting.

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° angle 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.
Multicoated to prevent internal ghosting and reflections while providing 99.7% polarizing efficiency and 47% light transmission.
2.8x filter factor reduces exposure by 1.5 stops.
Thin filter ring helps to prevent vignetting including with 16mm wide-angle lenses.
49mm front filter threads allow for use with other filters.
Side knurlings to provide a more textured grip when adjusting polarization effect as well as mounting onto or removing from a lens.
Constructed from Asahi glass for optical clarity.
5.9 x 5.9" microfiber cleaning cloth included for filter maintenance.
UPC: 641061423041
In the Box
Breakthrough Photography 49mm X2 Circular Polarizer Filter
  • Microfiber Cleaning Cloth
  • 25-Year Limited Warranty
  • Table of Contents
    • 1Description
    Filter Type Circular Polarizer
    Filter Factor 2.8 (1.5 Stop)
    Shape Circle
    Circular Size 49 mm
    Front Accessory Thread / Bayonet 49 mm
    Filter Material Glass
    Coatings Multi-Coating
    Packaging Info
    Package Weight 0.25 lb
    Box Dimensions (LxWxH) 4.0 x 4.0 x 1.1"

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