Thousand Oaks Solarlite 11" Solar Filter For Celestron 11" SCT S-12500

After years of R & D Thousand Oaks has developed a new solar film that has the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). Solarlite will never develop pin holes or scratches that can let in light and ruin a filter. Other advantages: Light weight and does not require re-balancing tube assembly, will not break, consistent yellow-orange solar image, even density with any aperture, flat surface compared to other thin film filters that have wrinkles and creases. Will not tear or puncture. The Solarlite is stronger than any other solar film on the market.