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

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