StarField Bahtinov Mask - 120 mm - FM-120 type-microscopes-and-magnifying Replace your 1

Replace your 1

For instance

25" Optical Tube Aluminum Highest Useful Magnification 168x Lowest Useful Magnification 10x Limiting Stellar Magnitude 11

The Tele Vue encoder mount packages include encoders which have been pre-installed on Tele Vue mounts along with the cables necessary to work with your Digital Setting Circles or computer (DSC / Computer)

through-mount cabling

StarField Bahtinov Mask - 120 mm - FM-120 type-microscopes-and-magnifying Replace your 1This 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