Description
Details
EMSea Bahtinov Mask Lightweight Acrylic Telescope Focusing Mask for Tube Outer Diameter from 60mm to 90mm for Reflector Refractor Dobsonians: Made of premium acrylic, the telescope focusing the mask is strong and durable, reliable and long-term. The scorched fish bone board overcomes the visual situation and can easily and easily provide a suitable focus for the telescope.
Key features
- Made of premium acrylic, the telescope focusing the mask is strong and durable, reliable and long-term
- The scorched fish bone board overcomes the visual situation and can easily and easily provide a suitable focus for the telescope
- The outer diameter of the mask supports the telescope mirror within the range of 60-90mm (there is an error of 1-2mm in manual measurement)
- Size: 60-90mm
Product specifics
- Brand: EMSea
- Category: Telescope Accessories
- Size: 60-90mm