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Sky-Watcher Esprit 80 ED APO Triplet Refracting Telescope
Sky-Watcher Esprit 80 ED APO Triplet Refracting Telescope

Sky-Watcher Esprit 80 ED APO Triplet Refracting Telescope

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Your Price: CAD $2,241.05
Retail Price:CAD $2,359.00

Your Savings:CAD $117.95(5%)

Generally Ships in 2-3 Business days
Part Number:11040.3

Choose Options or Accessories if Applicable

DIAGONAL & BARLOW
Filters
Guiding Systems
Field Flattener & Coma Corrector
Camera Adapters
The Sky-Watcher Esprit line of high-quality ED Triplet APO refractors will perform flawlessly whether you enjoy it as a visual instrument or use it as a giant lens to image the Universe with one of today's amazing CCD cameras. The designers of this telescope line concentrated on the desires and requirements of the avid astro-imager, from a three-element apochromatic objective with included thread-on field flattener to the beefy oversized micro-focuser.

The air-spaced ED APO optics are fully multi-coated for extra clarity, contrast, and protection, and the two-element corrector, which comes standard with the Sky-Watcher Esprit, will ensure a flat field across the entire focal plane. This system produces a 40mm image circle, and you have about 69mm of back focus for plenty of imaging accessories. The dew shield, when extended, will protect the optics from dew and help increase contrast by blocking stray light that might otherwise strike the glass. However, the shield is fully retractable when necessary in order to shorten your OTA for storage and travel

The Helinear Track Focusing System, a Sky-Watcher exclusive, is a rock-solid 2.7" rack & pinion focuser that will perform smoothly, without image shift, due to the extra support rail on the top of the drawtube. The micro focuser allows you to make course and fine adjustments to focus, and the knobs are easy to turn, even with cold hands or with gloves on. A thread-on step down ring takes the opening down for 2" accessories, and a 2" to 1.25" adapter is included in the package.

Accessories are a big part of any telescope system, and Sky-Watcher wants to make sure that you start out right. Included with every Esprit refractor is a 2" dielectric diagonal, a 9 x 50 RA erect-image finderscope and bracket, a Canon camera adapter, tube rings with a CGE ("D" style) dovetail bar, and an aluminum foam-lined case.

Sky-Watcher 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. 

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

Specifications:

Optical Design:Apochromatic Refractor
Diameter:80mm
Focal Length:400mm
F/Ratio:f/5
Highest Practical Power:120x
Faintest Steller Magnitude:11
Finder Scope:Right Angled 8 x 50 Erect Image
Focuser Diameter:2.7" Linear Power Focuser
Diagonal:2" 90 deg. Dieletric with 1.25" adapter
Eye Piece:n/a
Tube Weight:3.97kg
Tube Diameter:90mm
Tube Length:450mm
Shipping Weight:8kg
 Shipping Dimensions                       68x33x23 cm3



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