Astromania Bahtinov Mask Focusing Mask for Telescopes - FM60mm for a Tube Outer Diameter (OD) from 65mm-100mm - can be Mounted with The Brass Screws Inside or Outside The drawtube

The Astromania Bahtinov Mask is a game-changing tool for telescope enthusiasts, allowing you to achieve pin-sharp levels of focus with ease.

Made from precision laser cut plexiglass, this mask is stiff and long lasting, ensuring it will never break in the cold.

With its well-protected 3 screws, the mask grips the telescope tube securely, providing a tight seal that won't shift during use.

The Bahtinov mask has become the preferred method of focusing for both visual and imaging purposes, saving you time and improving your work.

Get yours today and experience the difference!