More products from the brand :Sky-Watcher

Sky-Watcher Esprit 100EDX

CHF 1'339

Available on backorder

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Sky-Watcher Esprit-100EDX - Super APO 100 mm f/5.5 triplet scope for advanced imaging

Visit Sky-Watcher Esprit-100EDX is an apochromatic triplet ED refractor designed to meet the most demanding astrophotography requirements. With its 100 mm f/5.5 objective, high-capacity 3" rotating focuser and CNC-machined components, it rivals the optics of the biggest brands on the market - for a much more affordable price.

Available for pre-order - Delivery scheduled for October 2025.

Super APO triplet optics with FPL-53 lens

The heart of the Esprit-100EDX is a perfectly corrected triplet lens incorporating a Ohara FPL-53 Japanese ED glass lens. This type of design guarantees total color correction, even on the brightest stars. All air-glass surfaces benefit from MHTC treatment (Metallic High Transmission Coating), offering light transmission up to 99,5 %.

The f/5.5 focal ratio ensures an ideal compromise between optical speed for astrophotography and visual resolution. The image is high-contrast, sharp and free from colored bangs.

Reinforced mechanics, 3″ rotating focuser and CNC components

The Esprit-100EDX is equipped with a 3" Linear Power eyepiece holder CNC rack-and-pinion, with 11:1 reduction, designed to support heavy cameras without bending. It features a double rotation (rotating focuser + rotating adapter) for easy orientation of the camera or optical train. The fog screen is fixedThe tube comes with sturdy clamps with central handle and 75 mm Losmandy dovetail.

Designed for expert astrophotographers

The build quality of this scope, combined with its compactness (565 mm) and fast lens, make it a highly sought-after solution for full-frame sensors. A dedicated field corrector (ref. 20188, optional) is available to ensure perfect field flatness across the entire sensor surface.

Technical specifications of the Sky-Watcher Esprit-100EDX

Technical specifications
Lens type Triplet ED apochromatic refractor (Super APO)
Opening 100 mm
Focal length 550 mm
Focal ratio f/5.5
ED glass Ohara FPL-53
Lens holder 3" Dual-Speed 11:1 CNC rack, rotary + rotary adapter
Fog screen Fixed
Tube weight 6.3 kg
Tube length 565 mm
Light transmission 99.5 % (MHTC treatment)
Dovetail 75 mm Losmandy type

Box contents

  • Tubus Sky-Watcher Esprit-100EDX
  • CNC clamps with central handle
  • 75 mm dovetail
  • Reinforced carrying case with foam

Important notes

Supplied without eyepieces, angled bends or finder. These accessories must be ordered separately.

Why choose Esprit-100EDX?

  • High-end triplet optics in FPL-53 glass
  • f/5.5 ratio perfect for fast deep-sky imaging
  • Ultra-smooth, stable, dual-rotation focuser
  • Full-frame sensor compatibility with dedicated corrector
  • Professional CNC finishing, robust and durable

Sky-Watcher excellence for imaging enthusiasts

Visit Sky-Watcher Esprit-100EDX is one of the best 100 mm scopes on the market in this price range. It combines everything an expert astrophotographer is looking for: impeccable optics, stable mechanics, compatibility with large sensors, and compactness. A benchmark instrument in the world of Super APO triplets.

Pre-order today from Deep Space Astronomy - Delivery scheduled for October 2025.

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