Astronomers can get pretty finicky about cleanliness, especially when it comes to their telescope's optics. Unfortunately, dust is everywhere and it is next to impossible to keep it entirely off a telescope's optics. However, you don't have to allow dust to settle on your optics between observing runs. Astrozap Dust Covers are proudly made in the USA of a cotton and nylon blend material. A sewed in elastic strap allows the Astrozap Dust Cover to fit snugly over the open end of a Newtonian telescope, covering the tube and keeping dust out. This helps protect the optics from excessive dust accumulation on the primary and secondary mirrors, which translates into sharper images.
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