• SVBONY MK90 Maksutov Telescope — Compact Catadioptric Scope for Planetary and Lunar Viewing
  • SVBONY MK90 Maksutov Telescope — view 2
  • SVBONY MK90 Maksutov Telescope — view 3
  • SVBONY MK90 Maksutov Telescope — view 4
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SVBONY MK90 Maksutov Telescope — Compact Catadioptric Scope for Planetary and Lunar Viewing

SVBONY MK90 Maksutov Telescope — Compact Catadioptric Scope for Planetary and Lunar Viewing

$249.99
$249.99
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The SVBONY MK90 is a compact Maksutov-Cassegrain telescope — a "catadioptric" design that folds a long focal length into a short, portable tube using both a curved mirror and a front corrector lens. With 90mm of aperture and a long 1250mm focal length (f/13.9), it excels at high-magnification views of the Moon, planets and double stars in a package small enough to grab and go.

The front meniscus corrector replaces the usual open tube of a reflector, sealing the optics against dust and dew and removing the need to ever collimate (re-align) the mirrors — a genuinely low-maintenance scope.

Who it's for: Beginners and travellers who want sharp lunar and planetary views without fuss or bulk. Curious how this compares to other optical designs? Read our guide to refractor vs reflector vs Dobsonian.

  • 90mm Maksutov optics: crisp, high-contrast images ideal for the Moon and planets.
  • Long 1250mm focal length: delivers high magnification with everyday eyepieces.
  • Compact and sealed: a short tube that resists dust and dew and never needs collimation.
  • Vixen-style dovetail: mounts on common alt-azimuth and equatorial heads.
  • Grab-and-go weight: about 2.2kg, easy to carry and quick to set up.

What you'll see: The MK90 is a planetary and lunar specialist. Expect sharp craters and mountain shadows along the Moon's terminator, the rings of Saturn, the cloud belts and moons of Jupiter, and the phases of Venus. Brighter star clusters and double stars look crisp, while faint deep-sky objects are dimmer here due to the small aperture and long focal ratio.

Specifications
Optical design Maksutov-Cassegrain (catadioptric)
Aperture 90mm
Focal length 1250mm
Focal ratio f/13.9
Mounting Vixen-style dovetail
Weight approx. 2.2kg

What is a Maksutov-Cassegrain?
It's a catadioptric telescope that uses a mirror and a front corrector lens to pack a long focal length into a short tube, giving high magnification in a compact, sealed design.

Do I ever need to collimate it?
No — the sealed Maksutov design holds alignment, so unlike a Newtonian reflector it doesn't require routine collimation.

Is it good for deep-sky objects?
It's best for the Moon, planets and double stars; its small aperture and long focal ratio make faint galaxies and nebulae harder to see.

Does it come with a mount?
This is an optical tube (OTA) with a Vixen-style dovetail; pair it with a suitable alt-azimuth or equatorial mount.

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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