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Every Telescopes Geek guide in one place, grouped by topic.
Telescope Buying Guides
How to choose a telescope: aperture, mounts, scope types and plain side-by-side comparisons for first-time buyers.
- Telescope Buying Guide for Adults and Families
- What Telescope Should You Buy? A Simple Decision Guide
- Dobsonian vs Refractor Telescope for Beginners
- Equatorial vs Alt-Azimuth Telescope Mounts
- Telescope vs Spotting Scope: Which One Fits You?
Top Telescope Picks
Ranked telescope picks by budget and use, from low-cost refractors to tabletop Dobsonians and app-guided scopes.
- Best Easy-to-Use Telescopes for Beginners
- Best Portable Telescopes for Travel and Small Spaces
- Best Refractor Telescopes for Beginners
- Best Telescopes for Backyard Astronomy
- Best Telescopes for Moon Viewing
- Best Telescopes for Planets and Deep Space
- Best Telescopes for the Money
- Best Telescopes Under $100
- Best Telescopes Under $500
What You Can See
What small and mid-size telescopes show on the moon and planets, and how city skies change the view.
- Can You Use a Telescope in the City?
- Do You Need a Moon Filter for Your Telescope?
- How to See Mercury Through a Telescope
- What Can You See With a 70mm Telescope?
- Best Telescopes for Seeing Jupiter
Setup, Gear and Care
Set up, align, collimate and connect your telescope, plus eyepieces, finders, filters and phone adapters.
- How to Calculate Telescope Magnification
- How to Collimate a Newtonian Telescope
- How to Connect a Telescope to a Computer
- How to Set Up a Telescope for the First Time
- Telescope Eyepieces Explained for Beginners
- Telescope Phone Adapters: What to Know Before You Buy
- Telescope Red Dot Finder: Setup and Alignment
- Why Is My Telescope Image Upside Down?
Model Reviews and Matchups
Single-model reviews and head-to-head comparisons of popular beginner telescopes from Celestron and others.
- Celestron PowerSeeker 127EQ vs AstroMaster 130EQ
- Celestron StarSense Explorer LT 80AZ vs 114AZ
- Celestron AstroMaster 70AZ Telescope Review
- Gskyer 70mm Telescope Review
- Koolpte 80mm Refractor Telescope Review