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More products from the brand :Sky-Watcher

Sky-Watcher Esprit-120ED

CHF 2'129

Disponible en stock chez le fournisseur

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Sky-Watcher Esprit 120ED APO Triplet - Super APO f/7 full-frame corrected refractor

Visit Sky-Watcher Esprit 120ED is a refractor apochromatic triplet high-performance lens designed for astrophotography and high-magnification observation. Supplied with a field corrector doubletit delivers a perfectly flat field and minimizes aberrations and distortions on full-format sensors. Sound linear focuser 3″ ensures precise, stable focusing, while the knife-edge diaphragm system and multilayer treatments guarantee high contrast, with no perceptible halo or colored fringing.

Highlights

  • APO premium triplet optics chromatic reference correction, no visible color fringe even on very shiny objects.
  • Doublet field corrector Full-format image flatness, sharp stars from edge to edge. Attention not included. 
  • 48 mm opening wide illumination for high-resolution sensors, extremely low halos.
  • Short focal length & f/7 ideal for nebulae, clusters and medium-sized galaxies.
  • Focuser 3″ Linear Power : stable optical train, heavy loads accepted, top-notch map accuracy.
  • High-transmission treatments and internal baffles contrast and micro-detail preserved.
  • High-end accessories Dielectric 2″ elbow return (with 1.25″ adapter), 8×50 RACI finder, collar and mounting bar.

What the tests say

"The Esprit 120 really performed!" - "Stellar images as sharp, aberration-free and colorless as the best".
"Its performance matches the best on the market at a competitive price.
Alan Dyer, SkyNews

Recommended applications

  • Full-format astrophotography flat field and round stars to the corners of the sensor.
  • High-resolution observation Moon, planets, double stars - high pique.
  • Big deep sky f/7 and 840 mm for detailed nebulae and open clusters.

Technical specifications

Optical design Triplet apochromatic refractor
Diameter 120 mm
Focal length 840 mm
F/D ratio f/7
Max. power output 240×
Stellar magnitude limit 12,5
Field corrector Doublet supplied (flat field, full format)
Focuser 3″ Linear Power Focuser
Researcher 8×50 RACI (straight/edged)
Angled return 2″ dielectric 90° (with 1.25″ adapter)
Supplied eyepiece LET 2″ - 28 mm
Tube - weight 9.61 kg
Tube - dimensions 12.5 cm × 75 cm
Shipping weight 26 kg
Package dimensions 122 × 46 × 48 cm

Included / Material supplied

  • Telescope Esprit 120ED Triplet APO
  • Focuser 3″ Linear Power, bushings and screws
  • 2″ angled return dielectric (1.25″ adapter)
  • Researcher 8×50 RACI
  • LET 28 mm eyepiece
  • Set of clamps and tube clamps

Why choose Esprit 120ED?

  • Reference image quality sharpness, contrast and chromatic control on a par with the best.
  • Full format native flat field and wide illumination (48 mm aperture).
  • Complete package ready for astrophotography and demanding visuals right out of the box.

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