StarField Bahtinov Mask - 140 mm - FM-140 61 mm Refractors Explore Scientific Small Vixen-Style Dovetail-To-Saddle

Explore Scientific Small Vixen-Style Dovetail-To-Saddle Plate

A molded foam insert cradles the Celestron Binoculars perfectly

The mount can attach to a tripod using a 3/8”-16 thread and includes an adapter for ¼”-20 thread sizes

Celestron Product Number: 18774

William Optics Product Number: D-DIG2D-C-DB

StarField Bahtinov Mask - 140 mm - FM-140 61 mm Refractors Explore Scientific Small Vixen-Style Dovetail-To-SaddleThis StarField Bahtinov Mask is sized for 125 mm 130 mm telescopes and fits dew shields with an outside diameter of 153 mm to 192 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