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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Durable optical construction
Mounting tool and screws for easy installation
Production of the 2" version started in the end of 2019
resulting in improved blocking of off-band light
Male) Mechanical Thickness 2 mm Material Anodised aluminium Internal Finish Matte black Application Astrophotography
Buckeyestargazer TriBahtinov Mask for Telescope Focus & Collimation Size:Tribahtinov-GSO8N Durable optical constructionThe Buckeyestargazer TriBahtinov Mask combines the proven focusing precision of a traditional Bahtinov mask with the added ability to assess and fine tune collimation on telescopes with adjustable optics. Using a three zone diffraction design, the TriBahtinov pattern allows astrophotographers to achieve highly accurate focus while also identifying optical alignment errors, making it particularly valuable for SCT, RC, Maksutov, and other collimatable
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