Esprit 120ED APO Triplet
Esprit APO

Esprit 80ED, 100ED, 120ED and 150ED Super APO triplets have a doublet field flattener to get a flat field and minimize aberration and distortion.

Product Features

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 wide 48mm opener ensures a larger and clearer aperture and also extremely minimized halation. 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

- Full-frame Corrected Focal Plane

- Zero detectable Colour Fringing even on Bright Objects

- Knife-edge Baffled Optical System


  • “I’m pleased to report that the Esprit 120 really performed!” 

  • “I compared its performance with high-end Officina Stellare and Astro-Physics 105mm and 130mm Apos employing similar premium glass. Even at high magnification with a 3mm eyepiece, star images appeared just as sharp,aberration-free and colourless as the best.  I was Impressed.”

  • “it exhibited none of the aberration oddities I’ve seen in some test telescopes, effects created by cold temperatures pinching optics.”

  • “…the Esprit 120’s performance matches the best in the business at a competitive price…”

  • “Sky-Watcher’s Esprit refractors become very attractive options for anyone looking for the best.”

Review on SkyNews by Alan Dyer ( | review)

Optical Design Apochromatic Refractor 
Optical Diameter 120mm 
Focal Length 840mm 
F/Ratio F/7 
Highest Practical Power 240x 
Faintest Steller Magnitude 12.5 
Finder Scope 8x50 Right Angled Erect Image 
Focuser Diameter 3" Linear Power Focuser 
Diagnol 2" 90 deg. Dielectric Diagonal with 1.25" adapter 
Eyepieces LET 2"-28mm 
Tube Weight 9.61 kg 
Tube Dimensions 12.5cmx75cm 
Shipping Weight 26 kg 
Shipping Dimensions 122x46x48 cm3 
Related Products