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NiSi 67mm Natural Night Filter

BH #NIRNGT67 • MFR #NIR-NGT-67
NiSi 67mm 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 67mm 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 67mm 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 67mm 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 67mm 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
  • 67mm 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
Exposure Reduction
1-Stop
Size
67 mm Rear Filter Thread 
Front Accessory Thread / Bayonet
67 mm
Coatings
Multi-Coating, Resistance Coating
Filter Material
Glass
Packaging Info
Package Weight
0.22 lb
Box Dimensions (LxWxH)
4.45 x 4.35 x 0.8"

NiSi Natural Night Filter Reviews

See any errors on this page? Let us know

Is it affective?

Is it affective?
Asked by: Anonymous
Yes, this filter works very well to reduce light pollution and produce cleaner sharper images.
Answered by: Rob
Date published: 2023-10-10

Two questions: (1) how thick is this filter, ...

Two questions: (1) how thick is this filter, neglecting the thickness of the threads; and (2) why is the "filter factor" 0.6 to 1.5 stop instead of a constant value?
Asked by: Russell
The frame is 6.2mm. But once threaded into the lens it is about 3.8mm. And the light loss is just under a stop.. It is not a range.
Answered by: Rob K
Date published: 2023-10-10

is this filter necessary for nighttime ...

is this filter necessary for nighttime videography? And is it worth buying this filter for video or you can do all of the color adjustments in post where you could remove the light pollution and grade to a natural night color?
Asked by: Yosi
If are shooting on locations at night with light pollution it is best to use a filter like the NiSi 67mm Natural Night Filter. editing in post will not be as good.
Answered by: Rob K
Date published: 2023-10-10
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