SkyWatcher 250mm Solar Filter for Newtonian Telescopes

The Skywatcher 250mm Solar Filter for Reflector Telescopes allows you to view the sun and solar phenomena safely It attaches to the front part of your Telescope tube securely and covers the tube opening completely. Its designed to effectively reduce all harmful components of the sun’s rays. These solar filters allow you to see the details in sunspots, bright faculae near the limb and the mottled areas known as granules. The sun is one of the most interesting objects in the sky and its details can only unlocked when viewed safely through a solar film.

The Baader Astro Solar™ Safety Film use in these Skywatcher Solar Filters 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 film transmits 1/100,000 of visible light (.001%) while blocking out 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.

Before you start your viewing, please read through our guide to solar viewing and safety precautions here.