The Esprit 150ED F7 Triplet and Matching Flattener is designed for the most demanding astro-imagers and is also a fine telescope for visual observations.
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 premium, superbly-corrected optical systems deliver high-contrast images full of detail and zero detectable colour fringing, even on the brightest of objects.
The Esprit 150ED F7 Professional Triplet Refractor…
- 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
- 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 14.52kg (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
- Patent-pending design
- 2” Dielectric Star Diagonal
- 28mm 2” LET Eyepiece
- 9×50 Right-Angled Erect Image Finderscope
- Tube Rings
- Dovetail Mounting Bar
- Matching flattener
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