NiSi 82mm Natural Night Filter



PRODUCT HIGHLIGHTS

  • Reduces Light Pollution in Night Sky
  • Blocks Yellow Sodium-Vapor Light
  • Blocks Yellow Mercury-Vapor Light
  • Blocks Yellow Light from Low CRI LED's
  • 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
  • H-K9L Optical Glass Construction
  • Nano Coating
  • Aluminum-Alloy Filter Ring
  • 82mm Front Filter Threads
  • Plastic Case

$229.00
In Stock

$229.00
In Stock



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The NiSi 82mm Natural Night Filter is designed to reduce the appearance of light pollution in images or video that include the night sky and illumination from artificial light sources. This effect can be obtained when this filter is used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected.

Light pollution occurs in areas of the night sky that are above or near concentrated and intense sources of artificial light such as cities. These light sources can include exterior and interior lamps for commercial or residential buildings, brightly lit advertisements such as billboards, streetlamps, as well as sports and entertainment venues. Together, they can result in a type of light pollution known as skyglow, where individual stars, the Milky Way, and other astronomical features in the night sky are obscured. Additionally, artificial lights clustered together can become difficult to individually discern. Light pollution from these "cluttered" sources can become a source of distraction within an image and can resemble overexposed areas of glare.

When used, the NiSi 82mm Natural Night Filter can improve the results of nighttime images by blocking the yellow light from sodium-vapor lamps, mercury-vapor lamps, or low Color Rendering Index LED's, common light sources within urban areas. By preventing the dominant wavelengths of light associated with the color of those lamps from being recorded, the visibility of astronomical objects is enhanced, and artificial light sources are more clearly defined with less glare and improved contrast.

This NiSi 82mm Natural Night Filter is constructed from optical glass for clarity as well as color fidelity. Each glass surface includes one layer of nano coating. The nano coating associated with this filter results in an improved beading effect when in contact with water or oil for greater cleaning efficiency.

  • Reduces the appearance of light pollution in images or video that include the night sky and illumination from artificial light sources
  • For cameras with daylight film installed, or a digital camera system with its daylight white balance setting selected
  • Blocks the yellow light from sodium-vapor lamps, mercury-vapor lamps, or low Color Rendering Index LED's, common light sources within urban areas
  • Enhances the visibility of astronomical objects, and where they appear, artificial light sources are more clearly defined with less glare and improved contrast
  • 1.5 to 2.8x filter factor reduces exposure by 0.6 to 1.5 stops
  • Constructed from optical glass for clarity
  • Each glass surface includes one layer of nano coating that results in an improved beading effect when in contact with water or oil for greater cleaning efficiency
  • Aluminum-alloy filter ring for durability while remaining lightweight
  • 82mm front filter threads allow for use with other filters
  • Plastic case included for storage and transport

(59728)


PRODUCT HIGHLIGHTS

  • Reduces Light Pollution in Night Sky
  • Blocks Yellow Sodium-Vapor Light
  • Blocks Yellow Mercury-Vapor Light
  • Blocks Yellow Light from Low CRI LED's
  • 1.5-2.8x Filter Factor, 0.6 to 1.5 Stop
  • H-K9L Optical Glass Construction
  • Nano Coating
  • Aluminum-Alloy Filter Ring
  • 82mm Front Filter Threads
  • Plastic Case

NiSi 82mm Natural Night Filter

Type Broad-band light pollution reduction filter
Size 82 mm
Density 0.2 to 0.45
Filter Factor 1.5 to 2.8 (0.6 to 1.5 stop)
Multi-Coated No
Effect Reduces the appearance of light pollution in images or video that include the night sky and illumination from artificial light sources by blocking yellow light from sodium-vapor lamps, mercury-vapor lamps, or low Color Rendering Index LED's
Construction H-K9L optical glass
Front Filter Thread Size 82 mm
Front Lens Cap Size 82 mm

Packaging Info

Package Weight 0.25 lb
Box Dimensions (LxWxH) 4.4 x 4.3 x 0.9"
SKU 59728
Brand NiSi Filters
Unit Of Measure ea

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