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User Manual for Alpine Astronomical Baader 3.0 Neutral Density Filter Click to enlarge the picture
Contents of the user manual for the Alpine Astronomical Baader 3.0 Neutral Density
- Product category: Eyepiece Filters Alpine Astronomical
- Brand: Alpine Astronomical
- 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 Alpine Astronomical Eyepiece Filters
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User manual for the Alpine Astronomical Baader 3.0 Neutral Density 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 Alpine Astronomical 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 Alpine Astronomical 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 Alpine Astronomical product will considerably shorten its lifespan!
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Product description Use the Alpine Astronomical Baader 3.0 Neutral Density Filter to reduce the amount of light coming into your eye during lunar observation and improve the view and contrast. The lens surfaces are fully multi-coated with Phantom Group seven-layer optical coatings. This maximizes light transmission across the entire visual spectrum, stepping down the light throughput while maintaining color-neutral views without reflections, ghosting, or stray interference light.Its housing is made to fit most 2" eyepieces and has female threads for stacking it with other ND and colored filters to further improve views when observing planets and other objects. This iteration of the ND filter line has an optical density of 3.0, with 0.1% transmission and a reduction factor of 1000—making it ideal for viewing and photographing the moon when it's full and very bright.The filter can also improve solar viewing, but only as a secondary pre-filter stacked with a primary dedicated solar filter. Failure to use a dedicated solar filter may result in permanent eye damage up to and including blindness. In the Box Alpine Astronomical Baader 3.0 Neutral Density Filter (2") Plastic Carrying Case Limited 2-Year Warranty Table of Contents
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Technical parametersAlpine Astronomical FND3-2 Specs Type | Neutral density | Size | 2" | Optical Density | 3.0 | Transmission | 0.1% | IR Reduction Filter | 1000 | Multi-Coated | yes | Application | Primary lunar Pre-filter for solar viewing | Weight | 2.5 oz / 72.0 g | | Package Weight | 0.16 lb | Box Dimensions (LxWxH) | 3.85 x 3.0 x 0.95" |
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