Brands - JMI



Sky-Watcher Esprit 120 ED APO Refractor


SKU: S11420
Manufacturer: Sky-Watcher
UPC: 050234114202
Telescope Type: Apochromatic Refractor
Aperture (in.): 4.7 inches
Aperture (mm): 120 mm
Focal Ratio: f/7
Focal Length: 840 mm
Limiting Visual Magnitude: 13
Accepts 2-inch Eyepieces: Yes
Focuser Size: 3.4-inch
Finder: 9 x 50 optical right angle
Star Diagonal: 2-inch dielectric mirror
Weight Fully Assembled: 23 lbs.


The Sky-Watcher Esprit 120 mm apochromatic triplet is a large refractor that will server equally well as a visual or photographic instrument. 

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.

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.

Quick Overview

  • 840 mm (f/7)
  • Fully multi-coated
  • Thread-on field flattener
  • 3.4" 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
  • 43mm image circle
  • OTA Weight: 22lbs.
  • OTA Length: 31.5" Extended and 27.375" Retracted
  • Back focus: 75mm

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