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CHF 839
Available on backorder
Visit Sky-Watcher Esprit-70EDX embodies the brand's top-of-the-range apochromatic refractor. With its triplet ED lens in Hoya FCD100 glass and precision CNC machining, this refractor has been designed to meet the demands of the most rigorous astrophotographers. Compact, lightweight yet formidably powerful, Esprit-70EDX delivers images of exceptional sharpness and contrast, worthy of the most prestigious instruments on the market.
Available for pre-order - Delivery scheduled for October 2025.
L'Esprit-70EDX is based on a carefully corrected f/7 triplet optic, including a central lens in Hoya FCD100 glassequivalent to the FPL-53. This type of design enables perfect correction of chromatic aberration, even on bright stars, with exceptional contrast.
Air-glass surfaces are treated with the exclusive MHTC (Metallic High Transmission Coating)guaranteeing 99.5 luminous transmittance % and images that are bright, sharp and free from unwanted glare.
The Esprit-70EDX's compactness (a tube of just 368 mm with retracted lens hood) and light weight (3.2 kg) make it an ideal travel companion for mobile astrophotographers. The 2.8" Linear Power CNC rack-and-pinion eyepiece holder is designed to support heavy cameras without any play, with 11:1 microfocuser and built-in rotary adapter for framing adjustment.
A reducer / corrector 0.92x (ref. 20332, optional) is available to optimize field correction and reduce the focal length to around 450 mm.
| Technical specifications | |
|---|---|
| Lens type | Triplet ED apochromatic refractor (Super APO) |
| Opening | 70 mm |
| Focal length | 490 mm |
| Focal ratio | f/7 |
| ED glass | Hoya FCD100 (FPL-53 equivalent) |
| Lens holder | 2.8" Dual-Speed Linear Power (CNC) rack, rotary |
| Fog screen | Slider |
| Tube weight | 3.2 kg |
| Tube length | 368 mm (fog shield retracted), 420 mm (extended) |
| Light transmission | 99.5 % with MHTC treatment |
| Dovetail | 45 mm Vixen type |
Supplied without eyepiece, finder or angled deflector. These accessories are available separately to suit your needs.
Visit Sky-Watcher Esprit-70EDX is aimed at those who want to go further in astrophotography and optical precision. It rivals the very top-of-the-range brands without blushing, while remaining much more affordable. Compact yet powerful, it represents an excellent investment for any enlightened amateur or expert looking for an exceptional instrument.
Pre-order today from Deep Space Astronomy - Delivery scheduled for October 2025.
