SkyWatcher 90mm Solar Filter for Maksutov Telescopes
The Skywatcher 90mm Solar Filter for Maksutov Telescopes enables observation of the sun and solar phenomena. It attaches to the front of the scope and provides ample filtering to make the sun safe for viewing. It is made of high quality Baader solar film which produces a natural white light image of the corona, photosphere and fine details like sunspots.
The Baader Astro Solar Safety Film performs as well as high quality plane-parallel glass filters. Metallic coatings are uniformly distributed along both sides of the film’s surface producing excellent color balance from edge to edge.
The 90mm Solar Filter , allows you to see the details in sunspots, bright faculae near the limb and the mottled areas known as granules. These filters enable the safe viewing of our sun. The sun is one of the most interesting objects in the sky and its details can only be unlocked when viewed safely through a solar film.
Completely safe and durable. The film transmits 1/100,000 of visible light (.001%) while reflecting (blocking) 99.999%of unwanted light. The film significantly decreases harmful ultraviolet rays and infrared light. Baader Astro Solar film has also been declared safe for direct solar viewing by the German National Bureau of Standards for eye safety. Do not use it if the film on the filter is damaged or torn!