Sky-Watcher Esprit-150ED Professional Super APO Triplet Refractor OTA

Sky-Watcher Esprit-150ED 150mm (6") f1050 Super APO Triplet Optical Tube Assembly. We are proud to introduce the new Sky-Watcher Professional Esprit 3-Element ED apochromatic refractor. These 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 with pin-point stars right up to the edge of the field and zero detectable colour fringing, even on the brightest of objects.

Sky-Watcher Esprit-120ED Features:

MAIN FEATURES:

• 3-Element Objective Lens, Focal Length 1050mm (one Ohara FPL-53 and 2 x Schott lenses)
• 3" CNC Machined 11:1 Rotatable Dual-Speed Linear Power Focuser
• Full-frame Corrected Focal Plane
• Excellent Field Flatness
• 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)
• Retractable Dew Shield
• OTA Weight 14.25kg (without accessories), 17.04kg (with 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 - holds up to 5kg of accessories whilst focusing and up to 10kg when locked.
• New drawtube with steel sheet held by four large bearings makes focusing smoother than ever
• The smooth focus motion and 11:1 fine focus wheel allows precision adjustment and critical focusing of eyepieces & cameras