
Skywatcher Limited Edition Esprit 120EDX Triplet APO Refractor Telescope - OTA Only
The Skywatcher Esprit 120EDX Triplet APO Refractor Telescope offers a large 120mm aperture, utilising a FPL-53 ED triplet objective to deliver stunningly sharp and color-perfect images for both demanding astrophotographers and visual observers.
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The Skywatcher Esprit 120EDX Triplet APO Refractor is a professional telescope for demanding astrophotographers and visual observers. Its large, 120mm air-spaced apochromatic triplet objective lens uses premium Ohara FPL-53 ED glass, which provides exceptional color correction with no detectable chromatic aberration, even on bright stars.
The optical tube of the Skywatcher Esprit 120EDX features internal knife-edge baffles that reduce internal reflections and increase contrast, helping to reveal faint details in deep-sky objects. For wide-field imaging, an optional 2-element field flattener is available separately to provide a fully corrected 42mm image circle. The Esprit 120EDX refractor is a superb choice for high-resolution imaging.
Key Features
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120mm Apochromatic Triplet Lens: The air-spaced objective of the Skywatcher Esprit 120EDX triplet uses FPL-53 glass for exceptional color correction and sharp, high-contrast views.
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Precision 3-inch Focuser: A heavy-duty, CNC-machined 11:1 dual-speed linear power focuser provides precise, repeatable focus with a high load capacity and zero image shift.
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High-Transmission Coatings: Sky-Watcher's Metallic High-Transmission Coatings (MHTC) are applied to all air-to-glass surfaces to ensure the highest possible light throughput.
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Enhanced Contrast Design: Internal knife-edge baffles are used to maximize image contrast, making the Skywatcher Esprit 120EDX an ideal telescope for astrophotography.
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Fixed Dew Shield: A fixed dew shield on the Skywatcher Esprit 120 EDX protects the objective from stray light and moisture.
Full Specifications
| Optical Tube Assembly (OTA) |
| Optical Design | Airspaced Apochromatic Triplet |
| Aperture | 120mm |
| Focal Length | 840mm |
| Focal Ratio | f/7 |
| Diameter of the corrected field | 40mm |
| Visual Back Focus | 225mm |
| Resolving Power | 1.00″ |
| Stellar Limit Magnitude | 12.4 |
| Highest Practical Magnification | 240X |
| Light gathering power (compared to the unaided eye) | 294 |
| Focuser | 3″ Crayford dual speed with 2″ and 1.25″ adaptor |
| Optical Tube Length | 762mm |
| Optical Tube Weight | 10kg |
What’s in the Box
- 120/840 Apochromatic Refractor
- Fixed Dew Shield
- T2 Canon Camera Adapter
- D Style dovetail Bar
- 2″ to 1.25″ Eyepiece Adaptor
- Aluminium Foam-Lined Case
Recommended Accessories
About Sky-Watcher
Contemporary telescope-making has advanced the simple optical designs early scopes to revolutionary, state of the art. The Sky-Watcher company believes Telescopes of quality make should no longer be expensive, but accessible to everyone. Sky-Watcher philosophy has always been to bring the vast wonders of the skies within reasonable reach of anyone with enough curiosity and courage to look up and imagine. Sky-Watcher scopes come in a large range of observational applications - from 10"Dobsonians to spotting scopes for land use.
Product Code: SKW-SWESPRIT120EDX
| Optical Design | APO Refractor |
|---|---|
| Aperture | 120mm |
| Focal Length | 840mm |
| Focal Ratio | f/7 |
| Highest Practical Magnification | 240x |
| Resolving Power | 1.00″ |
| Motor Drive | No |
| Tube Length | 762mm |
| Autoguide Port | No |
| Electronic Hand Control | No |
| Warranty Information | 5 Years |
- 120/840 Apochromatic Refractor
- Fixed Dew Shield
- T2 Canon Camera Adapter
- D Style dovetail Bar
- 2″ to 1.25″ Eyepiece Adaptor
- Aluminium Foam-Lined Case






















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