Sky-Watcher Esprit-100ED Professional Super APO Triplet Refractor OTA

The Sky-Watcher Esprit-100ED Professional Super APO Triplet Refractor OTA 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, for use with the optional M48 Field Flattener (not included), 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. The 3-element, 100mm objective lens offers a focal length of 550mm with F-ratio of f/5.5. Accessories include: a 2" Dielectric Star Diagonal, 9x50 Right-Angled Erect Image Finderscope, Tube Rings, 75mm Dovetail Mounting Plate and Heavy Duty Foam-Lined Storage/Transportation Case with Wheels.

Main Features:

• 3-Element Objective Lens, Focal Length 550mm (one Ohara FPL-53 ED element)
• 3" CNC Machined 11:1 Dual-Speed Linear Power Focuser
• Zero detectable Colour Fringing even on Bright Objects
• Metallic High-Transmission Lens Coatings
• Knife-edge Baffled Optical System
• High-precision Mechanical Components
• Aluminium OTA material (superior to plain carbon-fibre for this application)
• Adjustable Dew Shield
• OTA Weight 6.3kg (without accessories)

3" Dual-Speed Linear Power Focuser

• 3" LPF with 2" and 1.25" eyepiece adaptors and indexed scale
• Zero focus-shift during focusing
• High Load Capacity
• The smooth focus motion and 11:1 fine focus wheel allows precision adjustment and critical focusing of eyepieces & cameras

Accessories supplied:

• 2" Dielectric Star Diagona
• 9x50 Right-Angled Erect Image Finderscope
• Tube Rings
• 75mm Dovetail Mounting Plate
• Heavy Duty Foam-Lined Storage/Transportation Case with Wheels