Current Price: $5695.00
Buy It Now Price: $5695.00
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Sky-Watcher Esprit 100 ED APO Refractor wit Trius SX-42 Camera Kit

Condition: Brand New in Original Packaging

SKU: S25003


  • 100mm Apochromatic triplet
  • 550mm (f/5.5)
  • Fully multi-coated
  • Thread-on field flattener
  • 3.4” Focuser w/micro focus
  • 2” Diagonal w/dielectric coatings
  • 8×50 RA erect-image finderscope
  • Canon camera adapter
  • Tube rings with D-style dovetail bar
  • Trius SX-42 monochrome camera

Product Description

Starlight Xpress SX-42 Camera Kit is a joint effort between Sky-Watcher USA and Starlight. The SX-42 comes complete for easy set-up. The back-focus is matched for all Sky-Watcher correctors, simply thread the camera system onto the corrector and you are ready to go. All camera components are produced by Starlight Xpress in the UK and meet their highest of standards. The Sky-Watcher USA Esprit refractors come with an 8 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.

High Quality Imaging Performance

Designed with the discerning astrophotography in mind, the 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 shifts.

Improved Cooling Performance

The Esprit refractor has three port powered USB hub built-in and it can drive included Lodestar X and filter wheel. It offers high performance two stage cooling for better than -40°C delta T. The Dry Argon CCD chamber fills for improved cooling performance. Additionally, it is exceptionally effective anti-blooming with minimal effect on linearity and no lost active area.

What's in the Box

  • Sky-Watcher Esprit 100 ED APO Refractor with Trius SX-42 Camera Kit
  • 8 x 50 Right Angle Finderscope
  • 2-inch Star Diagonal
  • 2-Element Field Flattener
  • Camera Adapter
  • D-Style Dovetail
  • Padded Case


Sky-Watcher Esprit 100 ED APO Refractor with Trius SX-42 Camera Kit

Camera Specifications

  • Camera: Trius 694 monochrome
  • Sensor: Sony ExView 694
  • Size: 15.98 Diagonal
  • Pixel size: 4.54uM
  • Pixel count: 6,050,000


  • QE: 77% peak – 77% peak in yellow light, 65% at Hydrogen alpha (656 nm)
  • Back focal length: 17mm +/-1mm.
  • Speed: High speed USB 2.0 interface for approx. 5 second downloads.
  • Control: Via Single USB cable
  • Power consumption: Less than 1.5 amps at 12v DC.
  • Dimensions (D x L): 75 x 70mm
  • Weight: Less than 500 grams load on the telescope

Guide Camera: Lodestar X2 Monochrome

  • Sensor: Sony ICX829
  • Size: 8mm diagonal
  • Pixel Size: 8.3uM
  • QE: 77%
  • Filter Wheel: 7-position 1.25” with built-in Off Axis Guider
  • Wheel positions: 7
  • Filter size: 1.25”
  • Control and Power: USB controlled and powered





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Filed under: High-End Telescope Auctions (USA)