These products work very well with my existing equipment, and arrived promptly. Great bang for your buck!
Dear sirs, I bought throught amazon Helios Solar Glass Filter 12.5" (317mm). Fits Optical Tube Diameter 12 1/8" (308mm) to 12 3/8" (314mm). SF1250, fit it's perfect to my CGEM Celestron 11", excelente product
Excelents products, I bought 1for my Celestron 11", but iI decided to buy another for Celestron 80 mm refractor and my Celestron finderscope 50mm (necessary tool to center Sun in a field of view of the finder) , excelente and safe tool for solar watching and photography,
Nice natural color of the sun. Can easily see surface detail such as sun spots and facula. I got the 2.75" filters for my 56mm binos.