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NiSi 77mm Pro Circular Polarizer Filter, NIR-CPL-77

SKU: NIR-CPL-77 Brand:
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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
  • Greater Color and Tonal Saturation
  • NiSi Optical Nano Coating
  • Optical Glass Construction
  • Brass Filter Ring
  • 77mm Front Filter Threads
  • Plastic Case
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77mm Pro Circular Polarizer Filter
The NiSi 77mm 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 77mm 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.
77mm front filter threads allow for use with other filters.
Plastic filter case for storage and transport.
Packaging Weight 0.09 kg
Packaging Dimensions 11.3 × 11.1 × 2.1 cm
Filter Type

Circular Polarizer

Circular Size

77 mm Filter Thread

Rotating

Yes

Front Accessory Thread / Bayonet

77 mm

Coatings

Single-Coating

Filter Material

Glass

Ring Material

Brass

Filter Factor

2x (1-Stop) to 2.5x (1.3-Stop)

Brand

Nisi

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Returns Policy

  • Replacement of 7 days is covered for manufacturing defect only.
  • You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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  • All terms of returns & refunds can be found on the Return Policy.
  • Drones & Robots cover no warranty, returns or replacement. There is no service center of DJI in India and the products cannot be inspected by any person.

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GTIN: 6972949370817