Farpoint Clear Bahtinov Focus Mask — 150mm Square Cheshire Collimator {"@context":"https://schema

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No — the Triangle Style uses different leveling-screw mounting hardware

Will these fit my telescope

Safely attach your telescope optical tube with the Farpoint Vixen dovetail plate for the Celestron 9

Can I keep my standard handle and swap between them

Farpoint Clear Bahtinov Focus Mask — 150mm Square Cheshire Collimator {"@context":"https://schemaClear Bahtinov focus mask, 150mm square fits 150mm filter holder systems. The clear construction lets more light reach your sensor for brighter star images and stronger, more visible diffraction lines. Slides into the holder slot, gives you perfect focus in seconds, and slides out cleanly when you're done. Made in our own shop in the USA American materials, American machinery, by Americans. Works with most 150mm filter holder systems Lee, NiSi, Cokin