Farpoint Carey Focus Mask - Meade 12 Inch SCTFarpoint Carey Focus Mask Meade 12 Inch SCT is an ingenious new way to easily focus a telescope. For use with Meade 12" SCT telescopes. Farpoint Carey Focus Mask Meade 12 Inch SCT Farpoint Carey Focus Mask Meade 12 Inch SCT 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.