SKU: GC11-108697 In stock

NiSi 72mm Natural Night Filter (Light Pollution Filter)

Name: NiSi 72mm Natural Night Filter (Light Pollution Filter)
Brand: NiSi
SKU: GC11-108697
Price: 236.55 AUD
Availability: InStock

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$236.55

Product Overview

NiSi 72mm Natural Night Filter (Light Pollution Filter)

The NiSi 72mm 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 72mm 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 72mm 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
72mm front filter threads allow for use with other filters
Plastic case included for storage and transport

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FAQs

How does the NiSi 72mm Natural Night Filter improve night photography?

The NiSi 72mm Natural Night Filter enhances night photography by selectively blocking specific wavelengths of light emitted by common urban light sources, such as sodium-vapor and mercury-vapor lamps. This reduction in yellow light allows for improved contrast and clarity in your images, helping to reveal more details of the night sky and astronomical objects that might otherwise be obscured by light pollution. The filter effectively minimizes glare and enhances the visibility of stars and the Milky Way, resulting in more vibrant and defined night scenes.

Is this filter suitable for both film and digital cameras?

Yes, the NiSi 72mm Natural Night Filter is compatible with both film and digital cameras. For film cameras, it is recommended to use it with daylight film to achieve optimal results. For digital cameras, selecting the daylight white balance setting is crucial for leveraging the filter's benefits. This versatility makes it an excellent choice for photographers working with different camera systems.

What is the effect of the filter on exposure settings?

The NiSi 72mm Natural Night Filter has a filter factor of 1.5 to 2.8x, which translates to a reduction in exposure by approximately 0.6 to 1.5 stops. This means that when using the filter, you may need to adjust your camera settings, such as increasing the exposure time, opening the aperture, or raising the ISO, to achieve the desired brightness in your images. Being aware of this adjustment will help ensure that your night photography remains well-balanced and properly exposed.

How does the nano coating on the filter benefit users?

The nano coating applied to the glass surfaces of the NiSi 72mm Natural Night Filter significantly enhances its usability by providing improved water and oil resistance. This results in a beading effect that makes it easier to clean the filter, reducing the likelihood of streaks or smudges that could affect image quality. This feature is particularly beneficial when shooting in humid or rainy conditions, as it helps maintain clarity and performance.

Can the NiSi 72mm Natural Night Filter be used in combination with other filters?

Yes, the NiSi 72mm Natural Night Filter features 72mm front filter threads, allowing it to be used in conjunction with other filters. This flexibility enables photographers to stack filters to achieve various effects, such as polarisation or colour enhancement, while still benefiting from the light pollution reduction characteristics of the Natural Night Filter. However, it's essential to be mindful of potential vignetting when stacking multiple filters, especially at wider angles.

What materials are used in the construction of the filter, and how does this affect its durability?

The NiSi 72mm Natural Night Filter is constructed from high-quality optical glass, ensuring excellent clarity and colour fidelity in your images. The filter also features an aluminum-alloy ring that is both lightweight and durable, making it resilient to everyday handling and environmental factors. This combination of materials ensures that the filter maintains its performance over time, even with regular use in various shooting conditions.

What type of photography is best suited for the NiSi 72mm Natural Night Filter?

The NiSi 72mm Natural Night Filter is particularly well-suited for astrophotography, cityscapes at night, and any photography that includes the night sky alongside artificial light sources. It is beneficial for capturing detailed images of stars, the Milky Way, and other celestial features while minimizing the distracting effects of light pollution. This filter is also useful for urban photographers looking to enhance the quality of their night shots by improving contrast and definition against the backdrop of city lights.