Farpoint Bahtinov Focus mask, FP412 - fits Celestron 11" SCT. Fast Easy for Your astrophotos a lifesaving Tool Focusing Astro Camera or DSLR.

Bahtinov focus mask, fits Celestron 11" SCT without Fastar or Hyperstar. | Fast Easy focus for your astrophotos a lifesaving tool for focusing your astro camera or dslr. For older model C11" SCT...newer Fastar or Hyperstar ready scopes need our product FP412H. Bahtinov masks are easy to fit and use and make focusing a snap. Works with all electronic imaging devices. Includes DSLR cameras, modified DSLR cameras, CCD astro-imagers, CMOS astro-images, video cameras, low light systems etc. Use by simply placing the Bahtinov focus mask over the end of your telescope, record a quick image of a bright star, adjust focus and repeat two or three times until perfect focus is achieved. Made in the USA by Farpoint Astro. Made in America, by Americans, using American made materials and suppliers, supporting our economy. Buy American please.