9.5" (241mm) Helios Solar Glass Filter. Fits Optical Tube Diameter 9 1/8" (232mm) to 9 3/8" (238mm)

[Music] [Music] everyone in here with ocean side photo and telescope here today to talk about solar filters from spectrum telescope it's a great opportunity to talk about these with the upcoming solar eclipse in August so get right to it there's two different kinds of solar filters that spectrum offers the first one is glass nice dirty design and we have the film black polymer filters now the main difference between these two is that the glass one you're going to have better contrast but a little higher price point versus the film filters they're a little cheaper in cost but they're very durable so you won't have to worry about glass shattering now what I want to talk about is the different sizes so as we have here we have the 55 58 77 there's all different kinds of sizes depending on what kind of camera lens you have but they're really easy to install just check your camera lens and ma