More products from the brand :Sky-Watcher

Sky-Watcher Esprit-100ED

CHF 1'599

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Sky-Watcher Esprit 100ED Super APO: The premium refractor for demanding astronomers

Visit Sky-Watcher Esprit 100ED Super APO is a top-of-the-range telescope designed for top-level performance in both astrophotography and visual observation. Thanks to its triplet apochromatic air-gap lens, it eliminates chromatic aberrations with remarkable precision. It's the ideal instrument for enthusiasts looking for fine detail, high contrast and a perfectly flat field of view, even with full-frame sensors.

Highlights of the Sky-Watcher Esprit 100ED

  • 100 mm ED triplet lens : exceptional image quality, with no colored bangs, even on the brightest stars.
  • 3-inch rotating focuser Smooth, precise focusing with 1:11 gear ratio, perfect for heavy loads such as camera trains.
  • Integrated field corrector dedicated thread accepts reducer/corrector guaranteeing a fully corrected field of view up to 40 mm from the image circle.
  • Robust construction aluminum optical tube, retractable lens hood and reinforced aluminum carrying case with custom-cut foam.
  • Full compatibility with digital cameras and CCD cameras M48 threads, adapters, spacer rings: everything is designed to fit your setup.

Technical specifications

Specification Detail
Optical type Apochromatic triplet refractor (air-spaced)
Opening 100 mm
Focal length 550 mm
F/D ratio f/5.5
Focuser 3″ rotary, linear crayford with 1:11 reduction
Field corrector Threaded, 2 optical elements, 40 mm image circle
Visual backfocus >185 mm
Photo backfocus (with corrector) 63 mm
Search engine 9×50, straight, right-angle image
Diagonal 2″ dielectric, 99% reflectivity
Accessories included 28 mm 2″ eyepiece, case, rings, Losmandy-type dovetail
Tube weight 6.15 kg
Tube length (hood retracted) 46.5 cm

Mechanical compatibility - Threads and adapters

Element Inlet thread Output thread
Focuser M74x1 M65x1
Tube adapter M65x1 M66x1
Field corrector M66x1 M48x0.75
Enlarged T-Ring M48x0.75 Camera-specific thread

A reference for wide-field imaging

With its 40 mm corrected field of view, the Sky-Watcher Esprit 100ED is ideal for full-frame sensors such as the ASI6200 or digital SLRs like Canon EOS or Nikon D. Stars are fine, punctual and well-defined right to the edge of the field. Thanks to its f/5.5 ratio, it captures light quickly, making it perfect for nebulae, galaxies and Hα regions.

And the visuals? A slap in the face!

Although designed for astrophotography, this telescope also offers breathtaking visual views. Lunar or planetary observation is a pleasure, thanks to its sharpness, chromatic neutrality and soft contrast. A wide-field eyepiece reveals the full majesty of the Milky Way.

Conclusion

Visit Sky-Watcher Esprit 100ED Super APO is a dream refractor for any astronomy enthusiast. Robust, bright and fully corrected, it rivals much more expensive instruments. It's the perfect alliance between technology, optical precision and the pleasure of observing.

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