
Lumen – Telescope Guide
Setup & Observe for Beginners
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Free
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About
Lumen is a beginner-focused telescope guide designed for real observation sessions.
It helps you set up your telescope correctly, choose what to observe, and use the right magnification — without overwhelming you.
- Set up your telescope properly
Follow a guided setup wizard to reduce common beginner mistakes like poor leveling or incorrect mount configuration.
- Choose what to observe
Start with beginner-friendly objects like the Moon, Jupiter, and Saturn.
- Use the right eyepiece
Based on your telescope and accessories, Lumen calculates all possible magnification combinations and recommends the most suitable one.
- Understand what you’re seeing
Get short, clear explanations connected directly to your current observation.
- Preserve your night vision
Optional red light mode designed for outdoor night use.
If you bought a telescope and want to actually see something meaningful, Lumen helps you get there.
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What's New in Lumen
1.2.1
September 20, 2026
This update includes under-the-hood improvements and compatibility fixes to keep Lumen running smoothly on the latest iOS release.






