Farpoint Carey Focus Mask - Meade 10 Inch SNFarpoint Carey Focus Mask Meade 10 Inch SN is an ingenious new way to easily focus a telescope. For use with Meade 10" Schmidt Newtonian Telescopes. Farpoint Carey Focus Mask Meade 10 Inch SN Farpoint Carey Focus Mask Meade 10 Inch SN 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