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Sky-Watcher Esprit 120 ED APO Refractor With Trius SX-42 Camera Kit - S25004

Sky-Watcher USA   ——   SKU: SWU-S25004
$8,459.00 CAD
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Sky-Watcher Esprit 120 ED APO Refractor With Trius SX-42 Camera Kit

  • Three-element air spaced 120 mm APO Objective
  • 2-element field corrector lens
  • Helinear Track helical rack focusing system
  • 8x50 Right Angle RACI Finder Scope
  • 2" Star diagonal
  • Canon Camera adapter
  • D-style dovetail plate & rings
  • Padded Carry Case, Rolling Type
  • Sony ExView 694 sensor
  • 15.98 mm diagonal dimension
  • 4.54 um pixel size
  • 6,050,000 pixel array
  • QE: 77% peak response
  • Three port powered USB hub built-in
  • High speed USB interface
  • Lodestar X2 monochrome guide camera
  • 7-position 1.25" filter wheel with built-in off-axis guider

This 120 mm aperture Sky-Watcher Esprit 120 ED APO Refractor and camera kit includes everything you need to start your astronomical imaging projects, (except a PC computer, which you provide). 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. This high-performance imaging telescope has a three-element air spaced objective lens design, and being apochromatic, false color is completely eliminated, yielding exceptional contrast and sharpness. The included 2-element field corrector lens guarantees a flat field across the entire imaging field.

The Sky-Watcher Esprit 120 ED APO Refractor and camera kit incorporates their exclusive 2-speed, 3.4" Helinear Track focusing rack and pinnion system with helical cut teeth on the rack gear, which provides a smooth, rock-solid focuser with zero image shift. In addition, all of the Sky-Watcher USA Esprit refractors come with these featured equipment components: an 8 x 50 right angle RACI Finderscope, a 2-inch Star Diagonal, a 2-element field flattener, a Canon camera adapter, a D-style Dovetail mounting plate, and a padded rolling case. Optics are fully multi-coated for high contrast and bright images. The objective lens incorporates 2 BK-7 glass elements and one FPL-53 ED element.

NOTE: The photo may show the telescope on a mount for illustration purposes only! This package does not include a mount!

This Starlight Xpress SX-42 camera kit is a joint effort between Sky-Watcher USA and Starlight Xpress in honor of S-W's 20th Anniversary. The SX-42 Kit provides you with all the equipment you need to simplify setting up a new imaging system. The back-focus is matched for all Sky-Watcher correctors. You simply thread the camera system onto the corrector and you are ready to go. All of the camera components are provided by Starlight Xpress in the United Kingdom, and meet their highest level of standards.

The Starlight Xpress Trius SX-42 Monochrome Camera Kit from Sky-Watcher USA includes the following equipment:

  • A Starlight Xpress Trius 694 Monochrome camera
  • A Lodestar X2 Monochrome guiding camera
  • A 7-position Filter Wheel, 1.25" compatible
  • Off-axis Guider optics included in the filter wheel
  • All required cables for immediate operation
  • A hard plastic Storage and Carrying Case

Camera: Trius 694 monochrome Sensor Specs:

  • Sensor: Sony ExView 694
  • Size: 15.98 mm diagonal dimension
  • Pixel Size: 4.54 umeter
  • Pixel Count: 6,050,000
  • QE: 77% peak in yellow light, 65% at Hydrogen alpha (656 nm).

Other Camera system Features: A Three-port powered USB hub is built-in. This hub can drive the included Lodestar X and filter wheel. The system has a high performance two-stage cooling for better than -40°C delta temperature control. The CCD sensor chamber is back filled with dry Argon gas for improved cooling performance, and to prevent any dew or condensate problems. Exceptionally effective anti-blooming with minimal effect on linearity and no loss of sensor active area. Back focal length is set to 17 mm +/-1 mm. This system includes a high speed USB 2.0 interface for approx. 5 seconds download times. A Single USB cable control for all features - eliminates that dangerous cable tangle! The camera system has a very low power consumption: less than 1.5 amps at 12 V DC. The entire camera system is compact and lightweight - It is only 75 mm in diameter x 70 mm long, and it weighs less than 500 grams to reduce the load on your telescope.

Guide Camera Features:

  • Sensor: Sony ICX829
  • Size: 8 mm diagonal
  • Pixel Size: 8.3 um
  • QE: 77%

The included Filter Wheel assembly is a 7-position 1.25" size with a built-in Off-Axis Guider optics installed. Features:

  • Wheel positions: 7
  • Filter size: 1.25” diameter round
  • Built-in Off Axis Guider for use with included Lodestar X2 guider camera
  • USB controlled and powered

Telescope Specifications:

SKU S25004
UPC 050234250047
Optical Design ED Triplet Refractor
Lens Coatings Fully Multi-Coated
Glass Type BK7 (2)/FPL-53(ED)
Primary Aperture (mm) 120
F/Ratio f/7.0
Focal Length (mm) 840 mm
Dawes Limit 0.97 arcsec
Rayleigh Limit 1.16 arcsec
Limiting Mag. 12.9
Minimum Magnification 17
Maximum Magnification 236
Focuser 3.4" Dual Speed R&P
OTA Length (Retract/Ext.) 27.4"/31.5"
OTA Outer Diameter 6.875"
OTA Weight (with accessories) 22 lb
Included Finder 8x50 RACI
Included Diagonal 2" Dielectric
Mounting Accessories Rings/D-Rail
Included Eyepieces None
Included Case Yes
Corrector Yes
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