NiSi 55mm Pro Circular Polarizer Filter

BH #NIRCPL55 • MFR #NIR-CPL-55
NiSi
NiSi 55mm Pro Circular Polarizer Filter
Key Features
  • Circular Polarizer Filter
  • 2 to 2.5x Filter Factor, +1 to 1.3 Stops
  • Helps to Eliminate Reflections and Glare
  • Reduces Haze in Landscapes
The NiSi 55mm Pro 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.
Special Order
Expected availability: 7-10 business days
$51.00
Price $60.00
Instant Savings $9.00Offer ends Aug 16 at 11:59 PM EDT

Important Notice

  • This item is noncancelable and nonreturnable.

NiSi 55mm Pro Circular Polarizer Filter

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NiSi NIR-CPL-55 Overview

The NiSi 55mm Pro 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.

The NiSi 55mm Pro Circular Polarizer Filter is constructed from optical glass for clarity as well as color fidelity. It features a brass filter ring that can be rotated in order to adjust the intensity of the polarization effect while enhancing durability and jamming prevention. Additionally, one layer of NiSi Optical Nano Coating is applied to each of this filter's surfaces to create an improved beading effect when in contact with water for greater cleaning efficiency.

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.
NiSi Optical Nano Coating creates an improved beading effect when in contact with moisture for greater cleaning efficiency.
2 to 2.5x filter factor reduces exposure by 1 to 1.3 stops.
Constructed from optical glass for clarity.
Brass filter ring helps to prevent jamming, and provides additional strength.
Filter ring can be rotated to adjust the intensity of the polarization effect.
Side knurling to provide a more textured grip when mounting or removing filter from a lens.
55mm front filter threads allow for use with other filters.
Plastic filter case for storage and transport.

NiSi NIR-CPL-55 Specs

Filter TypeCircular Polarizer
Filter Factor2x (1-Stop) to 2.5x (1.3-Stop)
Circular Size55 mm Filter Thread
RotatingYes
Front Accessory Thread / Bayonet55 mm
CoatingsSingle-Coating
Filter MaterialGlass
Ring MaterialBrass
Packaging Info
Package Weight0.1 lb
Box Dimensions (LxWxH)3 x 2.9 x 0.9"
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