Gosky 70 80 Solar Filter -Baader Film-for Celestron 70mm 80mm Aperture Telescope for Orion ST 80 -for 70mm Travel Scope, AstroMaster 70AZ 70 EQ, PowerSeeker- Prepare for the Solar Eclipse of August 21 The Solar Filter is for Celestron 70mm / 80mm Aperture Telescope, for 70mm Travel Scope, AstroMaster 70AZ Refractor Telescope, PowerSeeker 70EQ Telescope, PowerSeeker 70AZ, AstroMaster 70 EQ, PowerSeeker 80EQ, Orion ST 80 telescope. With this filter the Sun will be of a neutral, eye-pleasing white color. See sunspots, eclipses, and planetary transits of the Sun safely with your telescope and this filter Made with high-quality, streak-free and blister-free Baader Astro Solar Safety Film CAUTION: Never look at the Sun, either directly or through a telescope, without a professionally made protective solar filter installed that completely covers the front of the instrument, or permanent eye damage could result. Optical density: 5.0 Aperture of the telescope