Find the Telescope You’ll Actually Use.
Don’t get stuck with a shaky department-store closet ornament. We help you find the exact right telescope for your backyard, your age, and your budget—in plain English.
Taking the telescope out tonight?
Check cloud cover, rain, and wind. Find your next clear window after dark.
Help Me Choose (Buy)
Answer six questions about your backyard, your age, and what you want to see. We’ll calculate the shortlist and explain the tradeoffs in plain English.
Build from Scratch (DIY)
Want to build a Dobsonian in your garage? Use our interactive optics calculator, size your secondary mirror to eliminate vignetting, and source precision parts.
What would you like to do?
Choose a tool to plan your next step.
Stargazing Weather Forecast
Find a clear hour to take your telescope outside. Choose your city to check clouds, rain, wind, and dark hours.
Telescope Magnification Calculator
Choose your telescope and eyepiece to see the magnification and how much sky fits in the view.
Telescope View Simulator
Choose an object and telescope size to see an illustration of what may be visible through the eyepiece.
Bortle Scale & Backyard Stargazing Planner
Choose your sky’s Bortle class to find easier targets and ways to reduce nearby light.
Telescope Finder Quiz
Answer six questions about your sky, budget, and carrying limits to get a telescope shortlist.
Dobsonian Telescope Design Calculator
Enter your mirror size and focal ratio to check the tube layout, secondary mirror size, and a draft parts list.
How TelescopeBuddy Works in 3 Steps
From complete beginner to confident backyard stargazing in three easy steps:
Share Your Backyard Situation
Tell us your observing location (city balcony, suburb, or dark yard), who is using it (kids, adults, seniors), and how much weight you can carry.
Get Your Honest Top Matches
Our physics engine scores 16 Amazon-verified telescopes. We give you plain-English reasons why it fits you, plus honest tradeoffs and real weights.
Preview What You’ll Actually See
Use our optical simulator to see realistic eyepiece views of Saturn's rings and the Moon before spending a single dollar.
Popular Picks by Goal & Backyard
Kids & Family First Telescope
Sky-Watcher Heritage 150p Flextube
A 150mm collapsible tabletop Dobsonian with a parabolic primary mirror and manual mount.
City Balcony & Severe Light Pollution
DWARFLAB DWARF 3 Smart Telescope
A compact app-controlled imaging telescope that captures and stacks images; sky brightness still affects results.
Saturn’s Rings & Moon Close-Ups
Celestron NexStar 6SE Computerized SCT
A 150mm Schmidt-Cassegrain with computerized GoTo and tracking after successful setup and alignment.
Compact GoTo for Moon and Planets
Sky-Watcher SkyMax 127 AZ-GTi
A 127mm Maksutov-Cassegrain on an app-controlled Sky-Watcher AZ-GTi mount.
Phone Stargazing & Camping
Celestron StarSense Explorer DX 102AZ
The StarSense phone dock and app provide on-screen guidance after setup and calibration.
The 60-Second Jargon Decoder
Astronomy websites love to throw confusing numbers at you. Here is what they actually mean in plain English:
Want to Roam Around? Explore Our Free Astronomy Tools
Telescope Catalog
Compare scopes by verified optical specifications and setup needs.
Eyepiece Simulator
Simulate real eyepiece views of Saturn & Moon.
Rig & Lens Workbench
Calculate magnification, exit pupil & Barlows.
Telescope Guides Library
Browse every buying guide, explainer and planning tool.