ESPRIT ED PROFESSIONAL – SUPER APO TRIPLET REFRACTORS
Sky-Watcher Professional ESPRIT 3-Element ED Apochromatic Refractors are instruments of the highest quality with optical performance rivalling or exceeding similar telescopes of even the most famous high-end telescope brands. The ESPRIT Super Apo Triplets are designed for the most demanding astro-imagers, but are also fine telescopes for visual observations. The premium, superbly-corrected optical systems deliver high-contrast images full of detail and zero detectable colour fringing, even on the brightest of objects.
- 3-Element Objective Lens, including one Ohara FPL-53 ED element
- Rotatable, High Load Capacity CNC machined 11:1 Dual-Speed Linear Power Focuser, with indexed scale
- Zero detectable Colour Fringing even on bright objects
- Metallic High-Transmission lens coatings
- Knife-edge baffled optical systems
- High-precision mechanical components
- Aluminium OTA material (superior to plain carbon-fibre for this application).