SKU: GC11-59727 In stock

NiSi 77mm Natural Night Filter (Light Pollution Filter)

Name: NiSi 77mm Natural Night Filter (Light Pollution Filter)
Brand: NiSi
SKU: GC11-59727
Price: 246.05 AUD
Availability: InStock

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$246.05

Product Overview

NiSi 77mm Natural Night Filter (Light Pollution Filter)

The NiSi 77mm 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 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 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 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
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
77mm front filter threads allow for use with other filters
Plastic case included for storage and transport

What's in the box:

NiSi 77mm Natural Night Filter

Filter Case

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FAQs

How does the NiSi Natural Night Filter improve my astrophotography?

The NiSi Natural Night Filter is specifically designed to reduce the effects of light pollution, which is particularly beneficial for astrophotography. By blocking out the yellow light emitted from common urban sources such as sodium-vapor and mercury-vapor lamps, the filter enhances the visibility of stars and celestial objects in your images. This results in clearer and more vibrant night sky photographs, allowing you to capture details of the Milky Way and other astronomical features that might otherwise be obscured by artificial light.

Can I use this filter on different camera systems?

Yes, the NiSi 77mm Natural Night Filter is versatile and can be used on both film and digital camera systems. For film cameras, it works best with daylight film. For digital cameras, it is effective when the daylight white balance setting is selected. This flexibility allows you to utilise the filter across various shooting setups, making it a valuable addition to your photography kit.

What is the filter factor, and how does it affect exposure?

The NiSi Natural Night Filter has a filter factor ranging from 1.5 to 2.8x, which means it can reduce the exposure by approximately 0.6 to 1.5 stops. This reduction in exposure is important to consider as it can affect your camera settings. To achieve the correct exposure when using this filter, you may need to adjust your aperture, shutter speed, or ISO to compensate for the light loss, ensuring that your images remain well-exposed while benefiting from reduced light pollution.

How does the nano coating on the filter enhance its performance?

The nano coating on the NiSi Natural Night Filter provides several advantages. It enhances light transmission and clarity, ensuring that your images maintain high colour fidelity without unwanted colour casts. Additionally, the nano coating improves the beading effect when the filter comes into contact with water or oil, making it easier to clean and maintain. This means you can spend less time worrying about smudges or dust and more time capturing stunning nighttime images.

Is the filter compatible with other filters?

Yes, the NiSi 77mm Natural Night Filter features 77mm front filter threads, allowing it to be used in conjunction with other filters. This compatibility means you can stack the filter with polarising filters, neutral density filters, or any other 77mm filters you might have. However, keep in mind that stacking filters can sometimes lead to increased vignetting or a reduction in image quality, so it is advisable to test combinations to see what works best for your specific shooting conditions.

What care should I take when using and storing the filter?

To maintain the performance of your NiSi Natural Night Filter, it is important to handle it properly. Always use a lens cloth to clean the glass surfaces, avoiding abrasive materials that could scratch the coating. When not in use, store the filter in the included plastic case to protect it from dust, scratches, and accidental damage. Avoid exposing the filter to extreme temperatures or humidity, as this can affect its optical properties over time.