Bahtinov Mask Focusing Mask for Telescopes (for Outer Diameter from 125mm-180mm)

Description

🔍 Focus Like a Pro with Precision!

The Bahtinov Mask Focusing Mask is designed for telescopes with an outer diameter of 125mm-180mm, providing a mathematical approach to focusing. Made from durable 2mm thick laser-cut plexiglass, it is cold-resistant and features a secure three-post mounting system with non-scratching sleeves. This versatile mask is compatible with various telescope types and offers an adjustment range of 290-340mm, ensuring optimal performance for both reflectors and refractors.