New Bahtinov Focusing Mask - for Telescope Diameter from 60-200mm (90MM)
Description
- The latest Bahtinov Focusing Mask 18 rays are uniformly distributed and the rays are perfect for all the older ones Please check the effect map
- How to select the right mask for your convenience, we have designed a careful classification. If you are a 60mm telescope, choose 60mm for this product. If you are a 70mm telescope, choose 70mm for this product
- he mask attaches securely to your scope using brass screws with soft transparent nylon cover to ensure the finish of your telescope is protected
Size:90MM The latest Bahtinov Focusing Mask 18 rays are uniformly distributed and the rays are perfect for all the older ones Please check the effect map How to select the right mask for your convenience, we have designed a careful classification. If you are a 60mm telescope, choose 60mm for this product. If you are a 70mm telescope, choose 70mm for this product he mask attaches securely to your scope using brass screws with soft transparent nylon cover to ensure the finish of your telescope is protected.
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