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Sky-Watcher Esprit 100 ED APO Triplet Refracting Telescope
Sky-Watcher Esprit 100 ED APO Triplet Refracting Telescope

Sky-Watcher Esprit 100 ED APO Triplet Refracting Telescope

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Your Price: CAD3,480.28
Retail Price:CAD3,663.45

Your Savings:CAD183.17(5%)

Usually ships in 1-2 weeks
Part Number:11045.3

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Diagonals & Barlows
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Guiding Systems
Field Flattener & Coma Corrector
Camera Adapters
Tube Rings
Esprit 80ED, 100ED, 120ED and 150ED Super APO refractors have a doublet field flattener to get a flat field and minimize aberration and distortion. Their M48 adapter for cameras assure larger clear aperture than M42 adapter to reduce halation as much as possible. Connect the triplet and doublet field flattener with a high precision thin thread to keep the optical axis perpendicular to the image. 

Sky-Watcher has a passion to produce some of the finest optics to capture the night sky. In 2010, Sky-Watcher announced a pair of ED triplet apochromatic refractors, the 150mm, and it's smaller but very capable brother, the 120mm. To add to this exciting line, Sky-Watcher introduces the new 100mm ED triplet APO refractor.

The Esprit 100mm is the third-largest Apochromatic refractor made by Sky-Watcher. This formidable instrument produces razor-sharp, false color-free views, highly suitable for astrophotography and visual observing. Our comparison with a high priced competitors scope was a draw.

Sky-Watcher's new 2.7" dual-speed linear power roller bearing focuser is tough enough to drive heavy accessories with virtually no slippage. Unlike traditional Crayford focusers which surround the drawtube with roller bearings, the linear power focuser places the bearings along a single metal track mounted along the drawtube, so the drawtube is never flexed or placed under compression.

The locking mechanism of the linear power focuser improves on the Crayford design, by retaining the desired focus, with no flexure or bending of the drawtube. An engraved linear scale helps set the focus close to where you need it.

The focus knobs can be rotated to change their orientation to suit the user. A built-in camera angle adjuster means easy and precise rotation of the camera and star diagonal independent of the focus knobs.

Apochromatic refractors have somewhat of a cult following; they are considered the finest instrument to observe and photograph the skies. Once relegated to a price range affordable by those drowning in money, they now swim in the shallow end.

All Sky-Watcher Esprit refractors come with a 9 x 50 right angle finderscope, 2-inch Star diagonal, 2-element field flattener, camera adapter, D-style dovetail and padded case. Everything you need to get out under the stars.

Main Features: 
- Premium optical materials 
- Short focal length and full frame corrected focal plane 
- Excellent field flatness 
- Precision linear power focuser is standard 
- Metallic high-transmission lens coatings 
- Light-baffled optical systems 
- Telescope tube attachment hardware
Optical Design Apochromatic Refractor
  • Diameter 100mm
  • Focal Length 550mm
  • F/Ratio f/5.5
  • Highest Practical Power 150x
  • Finder Scope 8x50 right angle erect finder
  • Focuser Diameter 3" Linear Power Focuser
  • Diagonal 2" dielectric diagonal
  • Eye Piece LET 2"-28
  • Shipping Weight 14 kg
  • Shipping Dimensions 105x39x29 cm3
  • not come with an eyepiece
  • Optical Performance
    • 3-Element Refractor
    • Aperture: 100mm
    • Focal length: 550mm
    • Focal ratio: f/5.5
    • Apochromatic extra-low (ED) dispersion glass
    • Fully multicoated optics
    Use and Handling
    • 2" rack-and-pinion Helinear Track focusing system
    • Thread-on 2-element field flattener
    • 90° star diagonal with dielectric coatings
    Construction Details
    • Anodized aluminum optical tube assembly
    • Tube rings with Celestron CGE-style dovetail bar
    Optical Design Refractor
    Aperture 100 mm
    Focal Length 550 mm
    Focal Ratio f/5.5
    Eyepiece Barrel Diameter 2"
    Diagonal Star diagonal
    Finderscope 8 x 50 Right angle, erect-image
    Tripod None
    Mount Type None
    Power Source None
    Optical Tube Dimensions 3.9 x 24.5" (10 x 62 cm)
    Weight 16.3 lb (7.4 kg)

    In the Box
    Sky-Watcher Esprit ED APO 100mm f/5.5 Refractor Telescope
  • Tube Rings with CGE-Style Dovetail Bar
  • Aluminum Foam-Lined Carrying Case
  • Limited 2-Year Warranty

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