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CHF 1'339
Available on backorder
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.
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.
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.
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 | |
|---|---|
| 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 |
Supplied without eyepieces, angled bends or finder. These accessories must be ordered separately.
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.
