Equipment

Beginner Telescope Guide 2025

By Karan Patil (Founder-Class Engineer)
Last updated: 2025-04-20
15 min read
Beginner Telescope Guide 2025

TL;DR Summary

Buying your first telescope? This guide cuts through the marketing noise to help you make the right choice based on aperture and mount types.

Buying your first telescope is one of the most exciting steps you can take as an astronomy enthusiast — and one of the most confusing. This guide cuts through the marketing noise to help you make the right choice.

The Golden Rule: Aperture Matters Most

Aperture is the diameter of the telescope's main optical element (lens or mirror). More aperture = more light collected = fainter objects visible. For beginners, aim for at least 70mm (refractor) or 114mm (reflector).

Types of Telescopes

Refractors

Use a lens system. Simple, durable, low-maintenance. Best for: planets, Moon, bright stars.

  • Entry level: Celestron Astromaster 70AZ, Sky-Watcher BK 70/900 (~$100-150)
  • Best value: Sky-Watcher 102/1000 (~$200)

Reflectors (Newtonian)

Use mirrors. More aperture per dollar. Require occasional alignment (collimation).

  • Entry level: Sky-Watcher 114/900 (~$150)
  • Best value: Orion StarBlast 6 (~$300)

Dobsonians

Large reflectors on simple alt-az mounts. Maximum aperture for minimum budget. Manual tracking.

  • Entry level: Orion XT6 6-inch (~$400)
  • Best value: Sky-Watcher 8-inch (~$500)

What to Avoid

  • Telescopes marketed by magnification ("675x power!") — these are almost always low-quality
  • Telescopes from department stores with flimsy mounts
  • Overly complex goto mounts before you know the sky

Essential Accessories

  1. Eyepieces: Start with a 25mm (low power) and a 10mm (medium power). Avoid cheap Huygens eyepieces.
  2. Star charts: Stellarium (free app) or SkySafari
  3. Red flashlight: Preserves night vision
  4. Astroneo: Find the brightest stars to aim at, check tonight's visibility, learn spectral types

Before You Buy

Look through a telescope at a star party organized by your local astronomy club before purchasing. Many clubs hold free public observing nights where you can try different equipment.

Remember: the best telescope is the one you'll actually use. A modest, portable scope you take out every week beats an expensive one that stays in the closet.