• Explore Scientific 16-Inch f/4.5 Truss-Tube Dobsonian OTA — Maximum-Aperture Visual Telescope for Deep-Sky Observers
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Explore Scientific

Explore Scientific 16-Inch f/4.5 Truss-Tube Dobsonian OTA — Maximum-Aperture Visual Telescope for Serious Deep-Sky Observers

Explore Scientific 16-Inch f/4.5 Truss-Tube Dobsonian OTA — Maximum-Aperture Visual Telescope for Serious Deep-Sky Observers

$3,599.99
$3,599.99
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The Explore Scientific 16-Inch f/4.5 Truss-Tube Dobsonian is a maximum-aperture Dobsonian telescope for serious deep-sky observers. Its enormous 16-inch (406mm) mirror gathers a tremendous amount of light, revealing faint galaxies, nebulae, and globular clusters with a brightness and detail that smaller scopes simply can't match — all on the simple, stable Dobsonian base that makes big apertures easy to use.

The truss-tube design breaks down for transport and storage, so a telescope this large can still be moved and set up by one person.

Who it's for

Experienced, aperture-hungry visual observers who want the deepest possible views of faint deep-sky objects and don't mind a large, transportable instrument. New to the hobby? See our Astronomy 101 stargazing guide.

Key features

  • 16-inch (406mm) primary mirror for maximum light-gathering on faint deep-sky objects
  • Fast f/4.5 optics for bright, wide-field views
  • Truss-tube design collapses for transport and storage
  • Stable Dobsonian base — big aperture with simple, intuitive pointing
  • Built for serious visual deep-sky observing

Specifications

Optical design Truss-tube Newtonian reflector (Dobsonian)
Aperture 406 mm (16 inches)
Focal ratio f/4.5
Focal length ~1826 mm
Mount Dobsonian base
SKU ES-DOB1645-01

Frequently asked questions

What can I see with a 16-inch telescope?
Faint galaxies with structure, detailed nebulae, globular clusters resolved into stars, and bright planetary detail — the large aperture shows far more, and fainter, objects than smaller scopes.

Is it portable?
The truss-tube design collapses down for transport and storage, so it's manageable for one person to move and assemble, though it's still a large instrument.

Does it track the sky?
As a manual Dobsonian it doesn't track automatically; you nudge it to follow objects. It's built for visual observing rather than long-exposure imaging.

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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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