Sky-Watcher Esprit 100 ED Pro Super APO Triplet OTA

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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.

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£ 1,749.00 Tax included

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Data sheet

Optical Design Refractor
Aperture 4 inch
Focal Length 550mm
Focal Ratio F5.5
Finderscope 9x50
Optical Tube Length 18.5 inch

More info

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
Optical design Apochromatic ED Triplet Refractor
Diameter (mm) 100
Focal length (mm) 550
Focal Ratio (f/) 5.5
Highest practical magnification (x) 150
Eyepiece 1 None supplied
Finderscope 9x50 Right Angled, Erect Image Finderscope
Diagonal 2 Inch Dielectric Star Diagonal
Optical tube length (mm) 470
Optical tube weight (Kg) 6.3
Tripod weight (Kg) 0
Shipping dimensions (cm) 105x39x29 cm
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Accessories

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