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Why Purchase from All-Star Telescope?
Free Expert Support
Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
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We also ensure privacy protection. We never keep any of your credit card information on file and any of your personal data is stored according to our policies.
30 Day Return Policy
Buy with confidence knowing that we accept returns up to 30 days after purchase. We want you to have something you will actually use and we are confident that we keep good quality products in our store with No Junk.
Price Match Promise
Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Product Description
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 | S11455 |
| UPC | 8100989707030 |
| 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) | 150mm |
| F/Ratio | 7 |
| Focal Length (mm) | 1050mm |
| Optional Corrector Specifications | |
| Field Flattener or Reducer? | Flattener |
| Thread-On or Insertable | Thread-On |
| Corrector Thread size | M65x1 female/M62x1 male |
| Corrector Back Focus | 96mm |
| Corrector illuminated field | 43mm |
| Corrector adapter needed? | Yes (Included with telescope) |
| Corrector allow for 2" filters? | Yes |
| Optional Corrector/Reducer Specifications | |
| Corrector Name | Esprit 150ED 0.77x reducer/flattener |
| Optional Corrector/Reducer SKU | S20215 |
| Reduction (reducer only) | 0.77x |
| Corrector - insertable or thread-on | Thread on |
| Corrector Thread size | M74x1 female/48mm male |
| Corrector Back Focus | 90mm |
| Corrector illuminated field | 36mm |
| F/Ratio with reducer installed | 5.4 |
| Focal Length with reducer installed | 810mm |
| 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) | 36.9"/40.5" |
| Dew Shield diameter (inches) | 7.89" |
| Optical Tube weight with included accessories (pounds) | 34 pounds |
| Mounting Rings? | Yes |
| Mounting Ring hole thread size(s) | 1/4-20 (top threads) |
| Dovetail type | D-style |
| Dovetail length | 13" |
| 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 | 42"x17"x13.5" |
| Shipping Weight | 77 |
| Shipping Dimensions/Weight | 49"x21"x17" |
| Observational Info | |
| Dawes Limit | 0.77 |
| Rayleigh Limit | 0.93 |
| Limiting Magnitude | 13.3 |
| Minimum Magnification | 21x |
| Maximum Magnification | 295x |
| Light Gather (compared to next size down) | 71% (compared to Esprit 120EDX) |
| Intended use | Visual/Imaging |
What can I see with a Sky-Watcher Esprit 150EDX Super APO Triplet | S11455?
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 - 42x Magnification
(Sold Separately)
Jupiter with
10mm Eyepiece - 105x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 210x Magnification
Sold Separately
Moon with 25mm Eyepiece
42x Magnification
(Sold Separately)
Moon with 10mm Eyepiece
105x Magnification
Sold Separately
Moon with 5mm Eyepiece
210x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
29x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
42x Magnification
(Sold Separately)
Andromeda with 10mm Eyepiece
105x Magnification
Sold Separately
