How Often Should You Clean Telescope Mirrors? A Practical Guide
Most telescope mirrors need cleaning once a year at most, and only when contamination is visible. Learn when to clean and when to leave it.
3 articles
Collimation and Maintenance
Collimation and Maintenance
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How to Clean a Telescope Lens Safely: When and How
Learn when telescope lenses really need cleaning, which supplies are safe to use, and how to avoid scratches. Step-by-step guidance for amateur astronomers.
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How to Collimate a Newtonian Telescope with a Laser: Step-by-Step
Learn how to collimate a Newtonian telescope with a laser collimator. Align primary and secondary mirrors for sharper stars, less coma and higher contrast.