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Editorial rank 78 of 99Celestron AstroMaster 70AZ Refractor Telescope
Full specificationTelescope
Aperture70mm
Focal Length900mm
Focal Ratiof/13
Mount TypeAlt-Azimuth
Included Eyepieces20mm & 10mm
4.2

Celestron

Celestron AstroMaster 70AZ Refractor Telescope

★★★★☆ 4.2/5

The Celestron AstroMaster 70AZ is a solid, budget-friendly entry point into visual astronomy.

70mmaperturef/12.9focal ratio140×useful max magnification11.9maglimiting magnitude
  • Specification transcribed from manufacturer data
  • Scored against 46 peers in Telescopes
  • Compromises listed in full below

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Verdict

The Celestron AstroMaster 70AZ is a solid, budget-friendly entry point into visual astronomy. It delivers crisp views of the Moon, Saturn's rings, and Jupiter's moons, and its simple alt-azimuth mount makes it approachable for first-time users and families. It's not built for deep-sky imaging or astrophotography, but as a grab-and-go scope for learning the night sky, it offers excellent value.

Key features

0170mm aperture refractor optical tube
02900mm focal length (f/13 focal ratio)
03Alt-azimuth mount with pan handle for smooth manual tracking
04Includes 20mm and 10mm eyepieces for varied magnification
05StarPointer red dot finderscope for quick target acquisition
06Lightweight adjustable aluminum tripod
07Erect-image optics suitable for both astronomical and terrestrial viewing
08Quick no-tool setup, fully assembled in minutes

Full review

The Celestron AstroMaster 70AZ is an entry-level refractor telescope designed to introduce beginners, families, and casual stargazers to the hobby of astronomy without overwhelming them with complexity or cost. Featuring a 70mm aperture and a lightweight, sturdy frame, this telescope strikes a balance between portability and optical performance, making it a popular choice for those just starting to explore the night sky. Its fully coated glass optics help improve image brightness and clarity, allowing users to observe craters on the Moon, the rings of Saturn, and the cloud bands of Jupiter with surprising detail for a telescope in its class.

Ease of use is one of the standout qualities of the AstroMaster 70AZ. It comes with a simple alt-azimuth mount that allows for smooth up-down and left-right movements, making it intuitive for first-time users to locate and track celestial objects. The telescope includes two eyepieces (20mm and 10mm) that provide a range of magnification options, along with a StarPointer red dot finderscope that simplifies the process of aiming at specific stars or planets. Setup requires no tools and can typically be completed in under 15 minutes, which is ideal for spontaneous stargazing sessions or educational use with children.

Beyond its optical and functional design, the AstroMaster 70AZ is built with durability and long-term value in mind. The aluminum tripod provides stable support, even during outdoor use in slightly uneven terrain, and the accessory tray offers a convenient place to store eyepieces and small tools during observation sessions. Celestron, a well-established name in the telescope industry, backs this model with access to their Starry Night software, which helps users plan their observations and learn more about the night sky. Overall, the AstroMaster 70AZ serves as a reliable, budget-friendly gateway into amateur astronomy, combining functional design with dependable performance for skywatchers of all ages.

The trade-off

What you gain, what you give up

6 strengths · 5 compromises

Strengths

  • Very easy setup, great for beginners and kids
  • Sharp, high-contrast views of the Moon and planets
  • Portable and lightweight for travel or backyard use
  • Affordable price point for the Celestron brand name
  • Included accessories (eyepieces, finder) are usable out of the box
  • Doubles as a spotting scope for daytime nature viewing

Compromises

  • 70mm aperture limits deep-sky object visibility (faint galaxies/nebulae are dim)
  • Alt-azimuth mount lacks equatorial tracking for astrophotography
  • Stock tripod can feel slightly wobbly at high magnification
  • Included eyepieces are basic; upgrading improves experience
  • Focuser can feel a bit stiff/plasticky over time

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