StarField Bahtinov Mask - 120 mm - FM-120 type-microscopes-and-magnifying choose color when ordering

choose color when ordering

For instance

Home sensors allow the mount to always start in the index position regardless of orientation before a power reset

Replace your 1

A fresh update to the venerable CGEM mount

StarField Bahtinov Mask - 120 mm - FM-120 type-microscopes-and-magnifying choose color when orderingThis StarField Bahtinov Mask is sized for 105 mm 125 mm telescopes and fits dew shields with an outside diameter of 120 mm to 152 mm. While basic, often home made focus masks have been used for quite some time, the Bahtinov mask, with it's distinctive pattern, is unique. Invented by Russian amateur astronomer Pavel Bahtinov, this mask has quickly become the astro imager's choice for fine focusing a telescope. To use, place the Bahtinov mask in front