Farpoint Carey Focus Mask for Celestron 11" Classic SCT

Farpoint Carey Focus Mask - Celestron 11 Classic is an ingenious new way to easily focus a telescope. George Carey, an amateur telescope maker and astronomer from the UK, published a modification of previous focus mask designs to make a much more sensitive version of the device. The method is simple, very intuitive, and the device has universally been named after the inventor: The "Carey Mask".Adjustable Carey focus mask for Celestron 11" SCT Classic telescopes without Fastar or Hyperstar.Farpoint manufactures this "lifesaving" astrophotography tool out of virtually indestructible ABS plastic, which comes in two major types and in a range of sizes.