Seymour Solar Filter (SF750) Fits this Equipment: AstroPhysics 155, Bushnell 6" Dob., Celestron NexStar 6/6SE, Celestron C6, Celestron Starhopper 6, Orion AstroView 6, Orion SkyView Pro 6/6LT, Orion SkyView Pro 3.6 CA, Orion SkyView Deluxe 6 EQ, Orion SkyQuest XT6, Vixen 150. Telescopes. Sun Photography, Solar Events, Sun Pictures, Sun Viewing, See Sun Spots, and Solar Eclipses. Take pictures of the Sun. Get your solar viewing ready for the Total Solar Eclipse August 21 2017 in the USA.