SANPYL
Bahtinov Mask Focusing Mask for Telescopes, Aluminum Alloy Focus Fishbone Acts for Outer Diameter from 63mm to 89mm Telescopes
45,56 €
75,93 €
Save 40% (30,37 €)
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Order within 9 hours and 9 minutes to get between May 11 - May 17 -
Tracked Shipping on All Orders
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14-Day Returns
- Secure Payments
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24/7 Customer Support
Description
- UNIVERSAL COMPATIBILITY: Suitable for all types of telescopes including reflectors, refractors, for Dobsonians, for Mak Cas, and for , fitting telescopes with an outer diameter of 63 to 89mm. The focusing mask can be easily installed on any telescope with 3 bolts.
- FOCUSING: The Bahtinov mask eliminates guesswork during focusing, overcoming visual conditions to quickly and easily achieve optimal focus for your telescope.
- SECURE GRIP: Three metal columns of the mask clamp the telescope to prevent slipping while keeping the mask perfectly centered. The 3 column design allows for central alignment and compatibility with a wider range of telescopes.
- DIFFRACTION PATTERNS: The focus fishbone acts as a set of artificial . As light passes through the fishbone plate, it diffracts in 3 different directions, creating 3 pairs of rays. With focus adjustments, the ray patterns move until the 3 sets of rays align, indicating proper focus.
- LIGHTWEIGHT AND ALUMINUM ALLOY: The telescope focusing mask features a thin and sturdy design made of 1mm thick aluminum alloy material, lightweight and to maintain balance without damaging the telescope.
Shipping and Returns
- We offer tracked shipping on all orders. Tracking information will be shared as soon as the order is dispatched.
- Please check the delivery estimate before adding a product to the cart. This is displayed for every product on the website.
- Available shipping methods and charges will be displayed at the time of checkout, depending on your exact location.
- All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
- Customers are advised to read our return policy for details of the return process, eligibility, refunds as well as cancellations or exchanges.
- In case of any issues or concerns about Shipping or Returns, please contact us and we will be happy to help.
Sanpyl.
Bahtinov Mask Focusing Mask for Telescopes, Aluminum Allo...
45,56 €
75,93 €
Save 40.0% (30,37 €)