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NiSi 77mm Natural Night Filter

BH #NIRNGT77 • MFR #NIR-NGT-77
NiSi 77mm Natural Night Filter
Key Features
  • Reduces Light Pollution in Night Sky
  • Blocks Yellow Sodium-Vapor Light
  • Blocks Yellow Mercury-Vapor Light
  • Blocks Yellow Light from Low CRI LEDs
The 77mm Natural Night Filter from NiSiis 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.
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NiSi Natural Night Filter Overview

The 77mm Natural Night Filter from NiSiis 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 77mm 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 LEDs, 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 77mm Natural Night Filter is constructed from optical glass for clarity as well as color fidelity. Each glass surface includes nano coating for reduced glare and improved color transmission. The nano coating also incorporates resistance coating for an improved beading effect with water or oil for easier cleaning, plus resistance to scratches and abrasions.

  • 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 LEDs, 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
  • Approximately 2x filter factor reduces exposure by 1 stop
  • Constructed from optical glass for clarity
  • Each glass surface includes nano coating for improved light transmission
  • Resistance coating for improved beading with water or oil for easy cleaning
  • Resists scratches and abrasions
  • Aluminum-alloy filter ring for durability while remaining lightweight
  • 77mm front filter threads allow for use with other filters
  • Plastic case included for storage and transport

NiSi Natural Night Filter Specs

Filter Type
Light Pollution
Filter Factor
2x (1-Stop)
Circular Size
77 mm Rear Filter Thread
Front Accessory Thread / Bayonet
77 mm
Coatings
Multi-Coating, Resistance Coating
Filter Material
Glass
Packaging Info
Package Weight
0.235 lb
Box Dimensions (LxWxH)
4.45 x 4.35 x 0.8"

NiSi Natural Night Filter Reviews

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Does anyone compares this Nisi Natural night ...

Does anyone compares this Nisi Natural night filter with Breakthrough photography "Autumn & Night Sky" filter?
Asked by: p
I’ve gotten great results with the NISI filter. Can’t speak for Breakthrough filter.
Answered by: Sandy
Date published: 2021-02-05

does this filter pass 5577 angstroms? I wish to ...

does this filter pass 5577 angstroms? I wish to pass 5577 for auroral photography, but otherwise block Na 5890 & other street lamp emissions. Maybe i can get a transmission spectrum for this filter? Otherwise, can you recommend an ideal auroral/light pollution filter? thank you.
Asked by: Bob
Unfortunately, for whatever reason NiSI does not list the angstroms for this filter. However, I would take their word that it is: Reduces Light Pollution in Night Sky, Blocks Yellow Sodium-Vapor Light, Blocks Yellow Mercury-Vapor Light, and Blocks Yellow Light from Low CRI LEDs. If it does not, they will lose customers.
Answered by: Dennis A
Date published: 2022-08-07

does this filter fit on the nikkor 70-300 ...

does this filter fit on the nikkor 70-300 f4.5-6.3 lens for nikon cameras?
Asked by: zane
I don't think so. My lens is AF-S NIKKOR 70-300mm f4.5-5.6, and its diameter is only 67 mm; so this NiSi filter would be too large.
Answered by: Eva
Date published: 2020-10-25

did anyone notice any vignetting issue when using ...

did anyone notice any vignetting issue when using ultrawide angle lenses, such as Nikon 16-35mm f/4, specially at 16mm?
Asked by: p
When mounted on the Nikon 16-35 f/4 there does not appear to be any vignetting at 16mm.
Answered by: Zachariah
Date published: 2022-08-07

does this filter cast any color stint such as ...

does this filter cast any color stint such as magenta on the photographs taken in the night on New york citi sky/building photographs?
Asked by: p
Yes it is a slight magenta cast which when used in proximity to city lights, evens out the warm colorcast from the city lights.
Answered by: Zachariah
Date published: 2022-08-07
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