Bahtinov Mask 230mm - 250mm ID - PERFECT FOR 8 Inch SCTS! (Pre-owned)

Bahtinov Mask (230mm - 250mm ID) – Precision Focusing Tool for Telescopes

• Optimized for 230mm - 250mm Inner Diameter (ID) Telescopes – Designed to fit telescope apertures within this range for precise focusing.
• Enhanced Astrophotography Accuracy – Generates a clear diffraction pattern to achieve ultra-sharp focus on celestial objects.
• Durable & Lightweight Design – Made from high-quality materials to ensure longevity without adding extra weight to your setup.
• Easy to Use – Simply attach to the front of your telescope, point at a bright star, and adjust focus using the distinctive Bahtinov diffraction pattern.
• Compatible with Various Telescope Types – Works with SCTs, refractors, and Newtonians that match the specified diameter.