User Manual for Lumicon Minus Violet 72mm Filter Click to enlarge the picture
Contents of the user manual for the Lumicon Minus Violet 72mm Filter
- Product category: Eyepiece Filters Lumicon
- Brand: Lumicon
- 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 Lumicon Eyepiece Filters
User manual for the Lumicon Minus Violet 72mm 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 Lumicon 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 Lumicon 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 Lumicon product will considerably shorten its lifespan!
Product description The Lumicon Minus Violet 72 mm Filter greatly improves photographs taken through lenses of any kind. This filter is made from optically flat specially made colored glass, and has anti-reflection coatings on both surfaces. When you want the maximum clarity you can get from a star, this is the filter to use. Celestial "halos" can obscure and block stars and prevent the viewer from obtaining the best view possible. This filter strips through the excess "glow" around stars and passes only the visible light. The 1.25" filters employ industry-standard 1.125" x 42 tpi threads (except for Questar/Brandon, which use a thread pattern unique to Questar). The 48 mm filters employ industry-standard 48 x 0.75 mm threading, which thread into 2" eyepieces. All larger filters use the given size with 0.75 mm pitch (e.g. a 72 mm Minus Violet filter has 72 x 0.75 mm threads). Note: This filter is especially recommended for all telephoto lenses, and will help you obtain pinpoint star images
- The Minus Violet filter passes the maximum amount of visible light, including the full blue, green, yellow, and red portions of the spectrum
- It absorbs violet and ultraviolet light below 420nm and thus eliminates blue halos around bright stars in color photography
In the Box Lumicon Minus Violet 72mm Filter Warranted Against Manufacturer's Defects Table of Contents
- In photography it eliminates bloated and swollen star images caused by violet and ultraviolet light, which telephoto lenses cannot focus exactly, due to chromatic aberration
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