Farpoint Bahtinov Focus Mask — ASA 10 Side By Side k{flex:0 0 42%

k{flex:0 0 42%

"name":"Does it work with binoculars

cc{flex:0 0 20%

and reveal dusky features on Uranus and Neptune with this filter

The middle of the baseboard and the edge of the baseboard are both fully supported

Farpoint Bahtinov Focus Mask — ASA 10 Side By Side k{flex:0 0 42%Not sure this is the right mask for your telescope? Use our Focus Mask Finder match your scope to the right Standard, Tri Bahtinov, or Hyperstar RASA mask. Custom fit Bahtinov focus mask for the ASA 10" Newtonian astrograph. Drops onto the front of your telescope, gives you perfect focus in seconds, and lifts off cleanly when you're done. Made in our own shop in the USA American materials, American machinery, by Americans. Fits the ASA (Astro Systems