Produits de la même famille
Why Purchase from All-Star Telescope?
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Description du produit
THE ELITE ASTROGRAPHS FOR THE REST OF US
Designed with the discerning astrophotographer in mind, Sky-Watcher’s ALL NEW top-of-the-line Esprit EDX refractors deliver the kind of imaging performance one would expect from telescopes costing thousands of dollars more. With the Esprit’s three-element, air-spaced objective lens design, false color is virtually eliminated, yielding exceptional contrast and sharpness. Each element is fully multi-coated with Sky-Watcher’s proprietary Metallic High-Transmission Coatings™ (MHTC)™, producing a transmission rate that rivals any refractor on the market.
In addition to superb optics, all Esprits feature exclusive dual-speed, Helinear track focusers, which provide smooth, rock-solid focusing with zero image shift. Using a Camera Angle Adjuster which is found on the end of the focuser drawtube and allows for orientation of your camera or eyepieces without needing to rotate the entire focuser. The Esprit EDX 100, 120, and 150 also come stock with rotatable focusers.
All Sky-Watcher Esprit EDX refractors come with mounting rings, dovetail plate, camera adapter, and foam-lined hard case.
Unsurpassed Performance
Esprit EDXs use three-element air-spaced optics to deliver images equal to scopes costing thousands of dollars more.
Award-winning Optics
All Sky-Watcher Esprit EDXs use laboratory matched lens assemblies, including extra-low dispersion elements, for unrivaled clarity and color correction.
Exclusive Linear-track Focuser
Sky-Watcher’s exclusive focuser design combines a rock-solid platform with zero image shift.
Specifications
| SKU | S11445 |
| UPC | 810098970723 |
| Optical Specifications | |
|---|---|
| Optical Design (achro or apo) | Super-Apochromatic |
| Lens Coating (fully multi-coated)? | Fully multi-coated |
| Lens design (doublet, triplet or Quad) | ED Triplet (Air Spaced) |
| Optical Quality | Diffraction limited (1/4 wave) |
| Collimatable Cell | Yes (Push/Pull Cell) |
| Primary Aperture (mm) | 120mm |
| F/Ratio | 7 |
| Focal Length (mm) | 840mm |
| Optional Corrector Specifications | |
| Field Flattener or Reducer? | Flattener |
| Thread-On or Insertable | Thread-On |
| Corrector Thread size | M65x1 female/M62x1 male |
| Corrector Back Focus | 75mm |
| Corrector illuminated field | 43mm |
| Corrector adapter needed? | Yes (Included with telescope) |
| Corrector allow for 2" filters? | Yes |
| Optional Corrector/Reducer Specifications | |
| Corrector Name | Esprit 120ED 0.77x reducer/flattener |
| Optional Corrector/Reducer SKU | S20209 |
| Reduction (reducer only) | 0.77x |
| Corrector - insertable or thread-on | Thread on |
| Corrector Thread size | M74x1 female/48mm male |
| Corrector Back Focus | 95mm |
| Corrector illuminated field | 34mm |
| F/Ratio with reducer installed | 5.4 |
| Focal Length with reducer installed | 648mm |
| Corrector adapter needed? | No |
| Corrector allow for 2" filters? | Yes |
| Mechanical Specifications | |
| Focuser Type | Linear Rail Rack & Pinion |
| Focuser Size | 3.4" |
| Focuser: Dual or Single Speed | Dual speed (11:1 ratio) |
| Focuser: Rotatable? | Yes |
| Camera Adjuster | Yes |
| Compression Ring | Yes |
| Drawtube thread size | M74x1 |
| Retractable dew shield? | Yes |
| OTA material | Aluminum |
| Optical Tube length Retracted/Extended (inches) | 28"/32" |
| Dew Shield diameter (inches) | 6.875" |
| OTA Diameter (mm) | 154mm |
| Optical Tube weight with included accessories (pounds) | 24 pounds |
| Mounting Rings? | Yes |
| Mounting Ring hole thread size(s) | 1/4-20 (top threads) |
| Dovetail type | D-style |
| Dovetail length | 11" |
| Accessories | |
| Eyepieces | No |
| Diagonal | None |
| Handle | Yes |
| Mounting Hardware | Mounting Rings/Dovetail |
| Flatter or Corrector | Optional |
| Additonal Accessories | None |
| Collimation eyepiece | No |
| Included finder | None |
| Manual | No (PDF online) |
| Case | Yes |
| Case Dimensions | 34"x15.5"x13" |
| Shipping Weight | 58 |
| Shipping Dimensions/Weight | 35.5"x19"x17" |
| Observational Info | |
| Dawes Limit | 0.97 |
| Rayleigh Limit | 1.16 |
| Limiting Magnitude | 12.9 |
| Minimum Magnification | 17x |
| Maximum Magnification | 236x |
| Light Gather (compared to next size down) | 44% (compared to Esprit 100EDX) |
| Intended use | Visual/Imaging |
What can I see with a Sky-Watcher Esprit 120EDX Super APO Triplet | S11445?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 34x Magnification
(Sold Separately)
Jupiter with
10mm Eyepiece - 84x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 168x Magnification
Sold Separately
Moon with 25mm Eyepiece
34x Magnification
(Sold Separately)
Moon with 10mm Eyepiece
84x Magnification
Sold Separately
Moon with 5mm Eyepiece
168x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
23x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
34x Magnification
(Sold Separately)
Andromeda with 10mm Eyepiece
84x Magnification
Sold Separately
