Start here · Essential guide
Telescope Troubleshooting: Common Problems and Fixes
Work through the most common telescope problems, from a black view and no focus to shaky images, dew and dirty optics, with simple checks to try first.
Setup & Care
Telescope Care Troubleshooting
6 guides, starting with Telescope Troubleshooting: Common Problems and Fixes.
Can I Leave My Telescope Outside? Risks and Protection
Is it safe to leave a telescope outside? Learn the risks from moisture, heat, pests and weather, when short-term setups are fine, and better storage options.
Cleaning a Telescope Mirror Safely at Home
Most mirrors need cleaning only rarely. Learn when to clean, how to wash a primary mirror with soap and distilled water, and the mistakes that cause scratches.
Cleaning Telescope Eyepieces Without Scratching Them
Learn how to clean telescope eyepieces safely: when cleaning is worth it, what supplies to use, a gentle step-by-step method, and what to avoid.
Dew on a Telescope: Prevention and Fixes
Learn why dew forms on telescope optics and how to prevent it with dew shields and heaters, plus safe ways to clear it and dry your gear after a damp night.
Telescope Not Focusing: Causes and Fixes
If your telescope will not come into focus, check the target distance, eyepiece, focuser lock and accessories first. Here are the common causes and fixes.
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