Gskyer 600x90mm AZ Refractor Telescope Review: Includes Three Replaceable Eyepieces and a 3x Barlow Lens

Gskyer 600x90mm AZ Refractor Telescope

Gskyer 600x90mm AZ Refractor Telescope

4.3/5 from 22,640 buyer ratings

$169.99 price checked August 2026

If you need a beginner refractor telescope with a 31.5 to 49-inch adjustable tripod, this is the one.

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Where the Gskyer Refractor Telescope Fits

The Gskyer 600x90mm AZ Refractor Telescope is for beginner astronomers who need to resolve lunar craters and Jupiter’s moons clearly thanks to its 90mm aperture.

Blurry images of the moon often occur because beginner telescopes lack the aperture needed to resolve fine surface details. Small lenses fail to gather enough light, leaving craters looking like flat, grey discs rather than distinct geological features.

The Gskyer 600x90mm AZ Refractor Telescope solves this by providing a 90mm aperture, which clears the 70mm threshold required for clear lunar and planetary resolution. It includes a 3x Barlow lens to triple the magnifying power of the included 24X, 60X, and 120X eyepieces.

We evaluated the Gskyer 600x90mm AZ Refractor Telescope against the other refractor telescope options we compared to identify reliable entry-level gear. This review is for the buyer who prioritizes optical clarity and high transmission coatings over complex manual tracking.

If you are considering a different brand, see our full review of the AstroMaster 90AZ.

How RecommendedOptics picked: we started from the 119 most-reviewed refractor telescope listings in our retail dataset, removed duplicates, accessories and off-category products, and 82 qualified. This product is one of 15 from that pool chosen for a full review. Our scores blend buyer satisfaction (60%), price position against comparable products (25%) and rating volume (15%). Specifications come from manufacturer listings and ratings from verified Amazon buyer reviews (data checked August 2026).

The Short Answer on the Gskyer Refractor Telescope

Best for: you need a telescope that exceeds the 70mm aperture threshold to clearly resolve lunar craters and Jupiter’s moons.

The Gskyer Refractor Telescope is a reliable entry point for these observations at $169.99.

  • Pro: The 90mm aperture clears the 70mm threshold required for clear planetary detail.
  • Pro: The included 3x Barlow lens triples the magnification of the three included eyepieces.
  • Pro: The aluminum tripod adjusts from 31.5-inch to 49-inch to accommodate different viewing heights.
  • Con: The f/6.7 focal ratio is slower than an f/5 focal ratio, which may require longer exposure times for dim objects.
  • Con: The 90mm aperture is below the 100mm to 130mm reference tier, limiting its ability to view faint deep-sky objects.

Don’t buy this if: you require a “fast” f/5 focal ratio to manage high-magnification views without significant chromatic aberration.

Price assessment: The $169.99 price is fair for a 90mm refractor that includes a Barlow lens and three eyepieces.

8/10

RecommendedOptics score: 8/10 (data-driven – see “How we picked” above)

For a shorter design, view our spec breakdown of the AstroMaster 102AZ.

The Specifications That Matter

The Specifications That Matter – Gskyer Refractor Telescope
Aperture 90mm
Focal Length 600mm
Focal Ratio f/6.7
Mount Type Altazimuth Mount
Included Eyepieces Three (24X, 60X, 120X)
Barlow Lens 3x Barlow lens
Tripod Height 31.5-inch to 49-inch
Weight 17.45 pounds

The 90mm aperture clears the 70mm threshold required to resolve lunar craters and Jupiter’s moons clearly.

Before You Buy: Gskyer Refractor Telescope Checklist

The first thing to check is your available viewing space, as the adjustable aluminum tripod requires a clear area for setup.

  • ✅ Confirm the aperture size — 90mm (this clears the 70mm threshold required to resolve lunar craters and Jupiter’s moons)
  • ✅ Check the focal length — 600mm
  • ✅ Measure your tripod height needs — 31.5-inch to 49-inch
  • ✅ Verify the included eyepieces — 24X, 60X, and 120X
  • ✅ Account for the 3x Barlow lens — triples the magnifying power of each eyepiece
  • ✅ Budget for the price — around $169.99

You should not buy the Gskyer Refractor Telescope if you require an equatorial mount for high-precision long-exposure astrophotography.

Performance: What the Specs Deliver

High Transmission Optics

High transmission optics and fully coated glass on the Gskyer 600x90mm AZ Refractor Telescope ensure more light reaches your eye. Because the 90mm aperture clears the 70mm threshold required to resolve lunar craters and Jupiter’s moons clearly, you can see distinct surface details rather than blurry blobs. The fully coated optics help maintain image sharpness toward the edges of the field of view, reducing the blur common in lower-quality glass.

Versatile Magnification Options

Versatile magnification options allow you to switch between wide-field views and high-power lunar observation. The Gskyer Refractor Telescope includes three replaceable eyepieces (24X, 60X, and 120X) and a 3x Barlow lens. By using the Barlow lens, you can triple the magnifying power of each eyepiece, providing the flexibility to observe different celestial bodies without swapping hardware.

Adjustable Tripod Stability

Adjustable tripod stability is supported by an aluminum tripod that extends from 31.5 inches to 49 inches in height. This range allows you to position the Gskyer Refractor Telescope at a comfortable viewing height for different users. Because the tripod is adjustable without tools, you can quickly modify your setup to ensure the telescope remains steady during long observation sessions.

How the Gskyer Refractor Telescope Compares to Alternatives

The Gskyer Refractor Telescope provides a 90mm aperture, which clears the 70mm threshold required to resolve lunar craters and Jupiter’s moons clearly.

  • The Gskyer Refractor Telescope costs $169.99, which is the same price as the Dianfan 90mm Aperture 800mm Refractor Telescope.
  • The Gskyer Refractor Telescope has a 600mm focal length, whereas the Dianfan 90mm Aperture 800mm Refractor Telescope offers an 800mm focal length.
  • The Gskyer Refractor Telescope features a 90mm aperture, matching the 90mm objective lens of the 90mm Aperture 900mm Professional Refractor Telescope.
  • The Gskyer Refractor Telescope has a 4.3 rating from 22,640 buyer ratings, which is lower than the 4.5 rating of the 80mm 900mm Refractor Telescope.
  • The Gskyer Refractor Telescope provides a 90mm aperture, which is larger than the 80mm aperture of the Orion 52596 Goscope 80mm Backpack Refractor Telescope.
  • The Gskyer Refractor Telescope features a 600mm focal length, while the 70mm 400mm AZ Refractor Telescope has a 300mm focal length.

If you need a portable setup for travel, the Orion 52596 Goscope 80mm Backpack Refractor Telescope is the better pick due to its included padded backpack storage.

This refractor telescope serves as a capable starter scope because the 90mm aperture exceeds the minimum diameter for clear lunar and planetary observation. Because it clears the 70mm threshold, you can skip entry-level “toy” scopes that lack the resolution to see detail on Jupiter’s moons.

What the Gskyer Refractor Telescope costs next to the Refractor Telescope alternatives we compared.Gskyer 600x90mm AZ Refr…$169.99Dianfan 90mm Aperture 8…$169.9990mm Aperture 900mm Pro…$169.9980mm 900mm Refractor Te…$169.9970mm 400mm AZ Refractor…$169.99Orion 52596 Goscope 80m…$169.99Prices at review time; the reviewed product is highlighted.
What the Gskyer Refractor Telescope costs next to the Refractor Telescope alternatives we compared.

You might also consider checking our full review of the SVBONY SV503.

Where This Price Sits

The Gskyer Refractor Telescope sits at the $169.99 mark, which is the exact average of the similar refractor telescope products we compared it against. At this price point, you receive a 90mm aperture that clears the 70mm threshold required to resolve lunar craters and Jupiter’s moons clearly. You also get a 600mm focal length and a 3x Barlow lens that triples the magnifying power of each of the three included eyepieces. By choosing this model, you avoid the need to purchase a basic Barlow lens or additional 24X, 60X, and 120X eyepieces immediately.

The Gskyer Refractor Telescope is the right buy if you want a complete starter kit that includes all necessary optics to begin observing without additional accessory costs. Because the 90mm aperture provides a clear view of lunar and planetary details, it serves as a reliable entry point for those who want to avoid the blurry results of smaller, lower-quality scopes. If you require a specific focal ratio or a different mount type, check the technical specifications to ensure the f/6.7 rating meets your requirements before purchasing.

Where this sits in the buyer data: Among the 44 products screened for this category, this one’s 4.3 rating places it #12, on 22,640 ratings – above the 37-rating median of that group, so the average rests on more feedback than most of its comparables. On price it undercuts 42 of them.

If you want different optics, explore the alternatives to a refractor telescope.

The Gskyer Refractor Telescope: Remaining Questions

How much weight can the tripod actually hold before it starts to tip or wobble?

The Gskyer Refractor Telescope uses an adjustable aluminum tripod that supports the 90mm aperture assembly. Because the specific weight capacity of the tripod is not listed in the technical specifications, you should verify the maximum load rating in the manufacturer’s documentation before transporting the unit.

Is the Gskyer 600x90mm AZ Refractor Telescope good for viewing the moon?

Yes, the Gskyer Refractor Telescope clears the 70mm aperture threshold required to resolve lunar craters and Jupiter’s moons clearly. With a 90mm aperture and f/6.7 focal ratio, it provides the necessary light-gathering power for detailed lunar observation.

Does it come with enough accessories to start observing right away?

The Gskyer Refractor Telescope includes three replaceable eyepieces (24X, 60X, and 120X) and a 3x Barlow lens. This Barlow lens triples the magnifying power of each eyepiece, providing a variety of zoom levels for different celestial targets.

Is the Gskyer 600x90mm AZ Refractor Telescope easy to set up?

No tools are required for assembling the reflecting telescope, allowing for a quick transition from the box to observation. The aluminum tripod is also height adjustable from 31.5 inches to 49 inches to accommodate different viewing positions.

Learn the fundamentals by reading how a refractor telescope works.

Is the Gskyer Refractor Telescope Right for You?

The Gskyer Refractor Telescope suits 5 kinds of buyer and is the wrong choice for 3 jobs, listed below with the reason for each.

Who the Gskyer Refractor Telescope is for, and what it does well

Who the Gskyer Refractor Telescope suits

  • Middle school science students — the 90mm aperture and 600mm focal length provide a manageable entry point for learning basic celestial mechanics
  • Backyard stargazers on a budget — the $169.99 price point combined with high transmission coatings makes it accessible for beginners
  • Parents of children interested in astronomy — the no tools required setup and 12-month worry-free support ensure a frustration-free experience for families
  • Beginner astrophotographers — the f/6.7 focal ratio and 600mm focal length are suitable for capturing wide-field shots of the moon and planets
  • College students studying optics — the fully coated optics glass lens allows for the observation of light transmission and refraction properties

What the Gskyer Refractor Telescope handles well

  • Lunar crater observation — the 90mm aperture and 600mm focal length provide sufficient magnification for surface details
  • Planetary viewing — the 3x Barlow lens triples the magnifying power of the included eyepieces
  • Bird watching in the backyard — the adjustable aluminum tripod allows for stable, high-magnification viewing of nearby objects
  • Stargazing at different heights — the tripod height adjustable from 31.5-inch to 49-inch accommodates different viewing positions
  • Quick-start astronomy — the no tools required assembly allows for immediate use out of the box

What the Gskyer Refractor Telescope is the wrong choice for

  • Deep-space nebula photography — the 90mm aperture limits light gathering for faint, distant objects
  • High-magnification planetary study — the 600mm focal length limits the maximum usable zoom compared to longer focal length refractors
  • Professional astrophotography — the AZ mount and 90mm aperture are not suitable for long-exposure tracking of distant galaxies

What to budget alongside the Gskyer Refractor Telescope, and what to skip

Worth buying at the same time

  • Moon filter — to reduce glare when observing the bright lunar surface through the 90mm aperture
  • Red dot finders — to help center objects in the 600mm field of view more quickly
  • Astronomy guidebook — to identify objects visible through the 24X, 60X, and 120X eyepieces
  • Microfiber cleaning cloths — to maintain the high transmission coatings on the optics glass lens
  • Sturdy outdoor chair — to provide a comfortable seat while using the 31.5-inch to 49-inch adjustable tripod

What you can skip

  • Additional 3x Barlow lens — the product already includes one in the box
  • Basic 24X, 60X, and 120X eyepieces — these are already included as three replaceable eyepieces
  • Assembly toolkit — the telescope requires no tools for setup

Where to Buy the Gskyer Refractor Telescope

These retailers sell Refractor Telescope generally – we do not track which of them has this particular model in stock, so check availability and the current price with the retailer before making a trip.

  • B&H Photo Video (online only) — reliable shipping and professional photography/optics expertise
  • High Point Scientific (online only) — specialist retailer with expert staff and technical advice
  • Orion Optics (online only) — specialist retailer with a wide range of dedicated astronomy gear
  • Amazon (online only) — wide selection of entry-level and mid-range brands
  • Walmart (online and physical stores) — physical availability for common beginner models
  • Target (online and physical stores) — convenient in-store pickup for basic starter scopes

Final Verdict on the Gskyer Refractor Telescope

If you need a telescope capable of resolving lunar craters and Jupiter’s moons, the Gskyer 600x90mm AZ Refractor Telescope is a reliable entry point at the $169.99 mark.

The Gskyer Refractor Telescope clears the 70mm aperture threshold with its 90mm lens, and it maintains a 4.3 rating from 22,640 buyers to support its value.

Skip it if: you require an apochromatic (ED) lens to eliminate color fringing or need an equatorial (EQ) mount for tracking celestial objects over long periods.

Check the current price on Amazon