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User Manual for Benro 82mm Master Series TrueNight Filter Click to enlarge the picture
Contents of the user manual for the Benro 82mm Master Series TrueNight Filter
- Product category: Special Applications Filters Benro
- Brand: Benro
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Benro Special Applications Filters
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User manual for the Benro 82mm Master Series TrueNight Filter contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Benro product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Benro user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Benro product will considerably shorten its lifespan!
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Product description The Benro 82mm Master Series TrueNight 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 Benro 82mm Master Series TrueNight Filter can improve the results of nighttime images by absorbing 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 where they appear, artificial light sources are more clearly defined with less glare and improved contrast.
To prevent internal ghosting and reflections, each of the Benro 82mm Master Series TrueNight Filter's glass surfaces include multiple layers of anti-reflection coating. These coatings also offer greater protection to the filter substrate and help it to stay clean for longer than with uncoated filters. The nano coating associated with Benro Master Series filters provides an additional 13th layer over each side of this filter, resulting in an improved beading effect when in contact with water for greater cleaning efficiency.
The Benro 82mm Master Series TrueNight Filter is constructed from Schott B270 glass for increased optical clarity as well as color fidelity and features a brass filter ring for enhanced durability and jamming prevention. -
- 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
- Absorbs 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
- 1.3 to 2x filter factor reduces exposure by 0.3 to 1 stop
- Constructed from Schott B270 glass for optical clarity
- Multi-coated to prevent internal ghosting and reflections
- Nano coating provides an improved beading effect with water for more efficient cleaning
- Brass filter ring helps to prevent jamming and provides additional strength
- 82mm front filter threads allow for use with other filters
- Side knurlings provide a more textured grip when mounting or removing filter from a lens
- Plastic filter case for storage and transport
In the Box Benro 82mm Master Series TrueNight Filter Filter Case Limited 3-Year Warranty, Extendable to 5 Years with Registration Table of Contents
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Technical parametersBenro SHDTN82 Specs | Type | Broad-Band Light Pollution Reduction Filter | | Size | 82 mm | | Density | 0.1 to 0.3 | | Filter Factor | 1.3 to 2 (0.3 to 1-Stop) | | Multi-Coated | Yes | | Effect | Reduces the Appearance of Light Pollution in Images or Video that Include the Night Sky and Illumination from Artificial Light Sources by Absorbing Yellow Light from Sodium-Vapor Lamps, Mercury-Vapor Lamps, or Low Color Rendering Index LEDs | | Construction | Schott B270 Glass | | Front Filter Thread Size | 82 mm | | Front Lens Cap Size | 82 mm | | | | Package Weight | 0.2 lb | | Box Dimensions (LxWxH) | 4.1 x 4.0 x 0.5" |
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