Sky-Watcher - Esprit 100mm ED Triplet APO Refractor

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Designed wtih the discerning astrophotographer in mind, Sky-Watcher USA’s top-of-the-line Esprit refractors deliver the kind of imaging performance one would expect from telescopes costing thousands of dollars more.

SKU: SKW-S11410
Manufactured by:
Sky-Watcher USA
 

Product Description

Sky-Watcher USA Esprit 100mm ED Triplet APO Refractor 

Designed with the discerning astrophotographer in mind, Sky-Watcher USA’s top-of-the-line Esprit refractors deliver the kind of imaging performance one would expect from telescopes costing thousands of dollars more.

With their three-element air spaced objective lens design, false color is completely eliminated, yielding exceptional contrast and sharpness. The included 2-element field corrector guarantees a flat field across the entire imaging plane. The Sky-Watcher exclusive Helinear Track focusing system provides a smooth, rock-solid focuser with zero image shift.

All Sky-Watcher USA 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.

Overview:

  • 100 mm apochromatic 3-element refractor
  • 550 mm (f/5.5)
  • Fully multi-coated
  • Thread-on field flattener
  • 3.0" focuser w/micro focus
  • 2" Diagonal with dielectric coatings
  • 9x50 RA erect-image finderscope
  • Canon camera adapter
  • Tube rings with CGE style dovetail bar
  • Aluminum foam lined case
  • 40mm image circle
  • OTA Weight: 16.3lbs.
  • OTA Length: 24.5" Extended and 17.3125" Retracted
  • Back focus: 68.819mm

 

 

 

 

 

 

 

 

 

 

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Specifications

Name Sky-Watcher - Esprit 100mm ED Triplet APO Refractor
Manufacturer Sky-Watcher USA
Model SKW-S11410
In The Box 100mm Apochromatic 3-element Esprit Refractor Thread-on field flattener 2.7" focuser w/micro focus 2" Diagonal w/dielectric coatings 9x50 RA erect-image finderscope Canon camera adapter Tube rings with D-style dovetail bar Aluminum foam-lined case
Aperture 100 mm (3.94 in)
Field Flattener Included, thread-on
Finderscope 9x50, erect-image, right-angle
Focal Length 500 mm (20 in)
Focal Ratio 5
Highest Useful Magnification 236 x
Light Gathering Power 204 x
Limiting Stellar Magnitude 12.5
Lowest Useful Magnification 14 x
Optical Coatings Fully multi-coated
Optical Design Refractor
Optical Tube Length 17 in (432 mm)
Optical Tube Weight 18 lbs (8.16 kg)
Resolution (Dawes) 1.16 arc seconds
Resolution (Rayleigh) 1.39 arc seconds
Star Diagonal 2", dielectric coatings
Tube Ring With 3" (CGE Style) dovetail plate

Reviews

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When it comes to refractors, I have owned many in the past, and this 100mm ED certainly delivers. After speaking extensively with Kevin from Skywatcher, I purchased one from Woodland Hills. I was extremely happy to get the telescope in one piece and was glad that Skywatcher went the extra mile to have the scope in a carry case that protects the scope. What is also amazing is that everything you need is included in the box minus the eyepieces. Even the field flattener and T-Ring for a Canon adapter is included. While I have a Nikon Camera, getting a T-Ring is not hard. The performance of this scope is second to none and worth every penny. Compared to other high end scopes, the 100mm ED is just outstanding when it comes down to it. Would be nice to include a bench report like some of the other high end scopes but I can understand that cost is a factor. Build quality is very good on this scope, although it is a little on the heavy side of things. I definitely will be upgrading the focuser to a Feather Touch as the stock focuser is okay, but it’s nothing compared to something like the Feather Touch. (Posted on 12/31/2018)
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In the Box

100mm Apochromatic 3-element Esprit Refractor
Thread-on field flattener
2.7" focuser w/micro focus
2" Diagonal w/dielectric coatings
9x50 RA erect-image finderscope
Canon camera adapter
Tube rings with D-style dovetail bar
Aluminum foam-lined case

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