Sun Catcher Trim-To-Fit Solar Filter

100% Safe for Eclipse Viewing Lightweight and generally does not require rebalancing tube assembly. Stronger than any other solar filter film on the market. It is highly tear and puncture-resistant. Consistent yellow-orange solar image. Even density with any aperture that keeps a flat surface as compared to other thin-film filters that have wrinkles and creases. Thousand Oaks Optical Guarantees Solarlite Filter Material for 15 years. Observe Granulation Features and Sun Spots. Perfect for Eclipse Chasers! Explore Scientific’s Sun Catcher Variable Large Aperture Solar Filters are available in many sizes to work on most telescopes from 70mm up to 12-inch SCTs, and of course all Explore FirstLight, and Explore Scientific Telescopes. The Solar Filter material being used is the new advanced ‘Solarlite’ Film manufactured by world-famous Thousand Oaks Optical through years of research and development. ‘Solarlite’ a new solar film that has the optical quality of glass with the advantages of impregnated polymer… perfect for the solar astrophotographer! Use the table below to select the correctly sized filter for your telescope or camera lens. The clear aperture is the solar film diameter. Filter Solar film Clear Aperture Inside Diameter (to fit the outside diameter of the telescope tube) Camera Lenses 2.5" / 60mm Max 7.5" adjustable down to 2.5" Small Refractors 3.5" / 85mm Max 7.5" adjustable down to 3.5" Medium Refractors 4.5" / 110mm Max 7.5" adjustable down to 4.5" 6" Newtonians and SCTs 6" / 150mm Max 12.5" adjustable down to 6" 8" - 10" Newtonian and Schmidt-Cassegrains 8" / 200mm Max 12.5" adjustable down to 8" 11" - 14" Schmidt-Cassegrains 11" / 275mm Max 17" adjustable down to 10"  Clear aperture is approximate. Upcoming Eclipses 2024 - On April 8, 2024, the Moon will completely cover the Sun during an awe-inspiring Total Solar Eclipse. Observers within the path of totality will witness the sun’s dazzling corona, observe the “diamond ring” effect, and see day turn to night.