Achieve perfect focus with this custom 3D printed Bahtinov mask designed specifically for Skywatcher 150mm telescopes.

Features:

• Designed to fit Skywatcher 150mm telescopes
• Precision measurements:150mm/6": Actual mask outer diameter to fit 171.5mm

• Custom sizes available upon request

Items will be shipped in black by default; however, if you prefer another color, simply drop me a message, and I'll be happy to accommodate your preference.

The Bahtinov mask consists of three separate grids strategically positioned to create three angled diffraction spikes at the focal plane, aligning with each bright image element. As you adjust the telescope's focus, the central spike moves across the star from one side to the other, allowing for precise focusing. For more information on the Bahtinov mask, please visit the following URL: https://astrobackyard.com/bahtinov-mask/

If you have any questions or require further assistance, please don't hesitate to send me a message.