Astromania FM200mm Bahtinov Mask for a Tube (OD) from 215mm-260mm - Bundle with - 1.25" 40mm Plossl Telescope Eyepiece
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Product details
| Management number | 208575213 | Release Date | 2026/03/22 | List Price | $22.39 | Model Number | 208575213 | ||
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- Threaded for standard 1.25inch astronomy filters and barlow lens
- 4-element plossl design; has a approx 42 degree AFOV; perfect for broad field lunar observations; medium sized star clusters; and a wide range of cloudy nebulas and deep-sky targets
- Fold-down rubber eyeguard Threaded for standard 1.25inch astronomy filters
- Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task; the best focus for your telescope quickly and easily
- Suitable for use on all types of telescope; they are made from precision laser cut enforced plexiglass that is stiff and long lasting; they will never be brittle in the cold; unlike some other masks which are made from normal plastics
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