Starfield Optics 180mm Bahtinov Mask

Starfield Optics 180mm Bahtinov Mask: Your Solution for Precise Telescope Focusing

• Accurate Focusing for Telescopes: Specially crafted for precise focusing of small telescopes, enhancing the astrophotography experience.
• Bahtinov's Distinctive Pattern: Features the innovative pattern developed by Pavel Bahtinov, enabling unparalleled focus accuracy.
• Straightforward Use: Simply position the mask over the telescope's main optic, capture a photo, and adjust focus according to the diffraction spike pattern.
• Ideal for Larger Scopes: Best suited for 150 - 165mm class telescopes.
• Compatible Size Range: Fits dew shields with an outside diameter of 185-210mm.
• Quality Canadian Manufacturing: Constructed in Canada, ensuring high standards of quality and durability.
• Ease of Astrophotography Focus: Renowned for its ease of use, making it the go-to method for achieving crisp focus in astrophotography.