Sky-Watcher Esprit-100ED Professional Super APO Triplet Refractor OTA
The Sky-Watcher Esprit-100ED Professional Super APO Triplet Refractor OTA are instruments of the highest quality with optical performance rivalling or exceeding similar telescopes of even the most famous high-end telescope brands. The Esprit Super APO Triplets are designed for the most demanding astro-imagers, for use with the optional M48 Field Flattener (not included), but are also fine telescopes for visual observations. The premium, superbly-corrected optical sy More
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The Sky-Watcher Esprit-100ED Professional Super APO Triplet Refractor OTA are instruments of the highest quality with optical performance rivalling or exceeding similar telescopes of even the most famous high-end telescope brands. The Esprit Super APO Triplets are designed for the most demanding astro-imagers, for use with the optional M48 Field Flattener (not included), but are also fine telescopes for visual observations. The premium, superbly-corrected optical systems deliver high-contrast images full of detail and zero detectable colour fringing, even on the brightest of objects. The 3-element, 100mm objective lens offers a focal length of 550mm with F-ratio of f/5.5. Accessories include: a 2" Dielectric Star Diagonal, 9x50 Right-Angled Erect Image Finderscope, Tube Rings, 75mm Dovetail Mounting Plate and Heavy Duty Foam-Lined Storage/Transportation Case with Wheels.
Main Features:
- 3-Element Objective Lens, Focal Length 550mm (one Ohara FPL-53 ED element)
- 3" CNC Machined 11:1 Dual-Speed Linear Power Focuser
- Zero detectable Colour Fringing even on Bright Objects
- Metallic High-Transmission Lens Coatings
- Knife-edge Baffled Optical System
- High-precision Mechanical Components
- Aluminium OTA material (superior to plain carbon-fibre for this application)
- Adjustable Dew Shield
- OTA Weight 6.3kg (without accessories)
3" Dual-Speed Linear Power Focuser
- 3" LPF with 2" and 1.25" eyepiece adaptors and indexed scale
- Zero focus-shift during focusing
- High Load Capacity
- The smooth focus motion and 11:1 fine focus wheel allows precision adjustment and critical focusing of eyepieces & cameras
Accessories supplied:
- 2" Dielectric Star Diagona
- 9x50 Right-Angled Erect Image Finderscope
- Tube Rings
- 75mm Dovetail Mounting Plate
- Heavy Duty Foam-Lined Storage/Transportation Case with Wheels
Product Specification
| Diagonal | 2 Inch Dielectric Star Diagonal |
| Diameter [mm] | 100.0 |
| Eyepiece 1 | None supplied |
| Finderscope | 9x50 Right Angled, Erect Image Finderscope |
| Focal Length [mm] | 550 |
| Focal Ratio [f|] | 5.50 |
| Highest Practical Magnification [x] | 150 |
| Included Accessories | 2 Inch Dielectric Star Diagonal, 9x50 Right-Angled Erect Image Finderscope, 45mm Dovetail Mounting Shoe, Heavy Duty Foam-Lined Storage/Transportation Case with Wheels |
| Mount Type | Optical Tube Assembly Only |
| Optical Design | ED Apochromatic |
| Optical Tube Length [mm] | 470 |
| Optical Tube Weight [kg] | 6.30 |
| Manufacturers Link | Sky-Watcher |