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Vixen 103mm SD Apochromatic Refractor Telescope Tube – Sharp, Color-Free Views for Astrophotography & Deep Sky Stargazing (ES26144)

Vixen

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Price: $3,723.99 USD
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A Flagship 103mm Apochromatic Refractor With Built-In Field Correction

The AX103S is a 103mm SD glass triplet apochromatic refractor — the same optical tube used in several of Vixen's premium complete telescope kits. The SD glass virtually eliminates color fringing, and the built-in field-corrector lens keeps stars sharp all the way to the edges of the field, which is especially valuable for astrophotography.

At 825mm focal length (f/8), it balances well between wide-field deep-sky views and the magnification needed for detailed planetary and lunar work. The tube comes fully equipped and ready to mount on a compatible equatorial or alt-az mount.

What You Can See and Image

  • Deep-sky objects: galaxies, nebulae, and globular clusters
  • Sharp planetary detail and high-contrast lunar views
  • Wide star fields with edge-to-edge sharpness

What's Included

  • AX103S 103mm SD triplet apochromatic refractor optical tube
  • Flip-mirror diagonal
  • 7×50mm illuminated finder scope
  • Dovetail plate and tube rings with carry handle

Key Features

  • 103mm SD glass triplet APO — virtually no color fringing, sharp and high-contrast
  • Built-in field-corrector lens — sharp stars edge-to-edge for visual and imaging use
  • 825mm focal length (f/8) — balanced for deep-sky and planetary use
  • Flip-mirror diagonal — switch easily between eyepieces or between visual and camera use
  • Supports 2" eyepieces (1.25" adapter included) and T-ring camera mounts

Specs

SKU ES26144
Optical design SD triplet apochromat (multicoated)
Aperture 103mm
Focal length 825mm (f/8.0)
Resolving power ~1.13 arcsec
Limiting magnitude ~11.8
Light-gathering power ~217× naked eye
Tube dimensions 115mm diameter × 762mm (670mm retracted)
Total weight 6.4 kg (tube 4.6 kg)
Focuser 2" with 1.25" adapter, flip-mirror diagonal
Finder 7×50mm illuminated

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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All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
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