About the Orion EON 110mm ED f/6.0 Apochromatic Refractor Telescope OTA...
One look at the Orion EON 110mm f/6.0 ED Apochromatic Refractor and its slick gloss-black machined optical tube and you''ll know this is an exquisite Orion Telescope. One more look - this time through the f/6.0 apochromatic optics - and you quickly realize this refractor''s beauty is much more than skin-deep. It''s a gorgeous Orion Telescope inside and out!
This black beauty occupies a desirable "sweet-spot" for telescopes, especially if you''re interested in deep-sky imaging or wide-field observing. The Orion Telescope EON''s generous, 110mm (4.3") aperture gobbles up photons from faint deep-sky objects and offers ultra-crisp images and great color correction by virtue of the FLP-51 element of extra-low dispersion ("ED") optical glass in its air-spaced doublet objective lens. The apochromatic refractor''s 660mm focal length gives the Orion EON 110mm f/6.0 ED Apochromatic Refractor a fairly fast, f/6.0 f-ratio which performs exceptionally well for wide-field visual use or deep-sky astrophotography. Not only is the Orion Telescope EON 110mm ED Refractor a great wide-field performer, it''s also delightfully compact and measures just 21.5" with its sliding dew shield retracted for easy transport. Unlike heavier, bulkier astrophotography telescopes, the EON 110mm ED needs only a medium-sized mount to support it. The Orion Telescope EON 110mm ED boasts all these performance-packed features, yet is priced to please at thousands less than multi-element apochromatic refractors of comparable aperture. Sweet spot indeed!
Take a closer look and you''ll find even more to like about the Orion EON 110mm f/6.0 ED Apochromatic Refractor. The refractor''s optics are fully multi-coated for maximum light throughput so you''ll get the most out of each and every photon collected by the Orion Telescope. Three optimally placed knife-edge baffles inside the optical tube ensure rich contrast by eliminating off-axis reflections and glare that can be detrimental to both visual and astrophotography pursuits. The EON 110mm features a robust, 2.7" hybrid-drive rack-and-pinion focuser which outperforms most Crayfords we''ve used. The focuser''s integral 8-ball-bearing system, helical gear drive, and dual-speed (11:1) motion control gives both silky smoothness and unflinching rigidity. The Orion Telescope focuser features a patented focus lock mechanism that locks the drawtube in two directions, providing a much more rigid lock than most focusers. In fact the focuser of the Orion EON 110mm f/6.0 ED Apochromatic Refractor is solid enough to easily support astrophotography equipment trains weighing up to a whopping 17 lbs. - without slipping! The EON 110mm ED''s focuser can be rotated in two places, allowing camera framing to be set independently from your preferred positioning of the apochromatic refractor telescope''s focus knobs. The rugged focuser''s drawtube sports an engraved millimeter scale to aid in focus point repeatability - a great time-saver during astrophotography sessions. For wide-field visual use during the day or night, 1.25" and 2" diagonals and telescope eyepieces can be used with the EON 110mm ED refractor. Both the 2" focuser collar and included 1.25" adapter feature non-marring brass compression rings. If you wish to attach an aiming device to the Orion Telescope EON 110mm refractor, two pre-threaded holes on the telescope''s focuser accommodate an optional Orion Dovetail Finder Scope Base and compatible Orion Finder Scope. An optional Orion Field Flattener for Short Refractors (sold separately) is available for enhanced astrophotography use.
The Orion EON 110mm f/6.0 ED Apochromatic Refractor comes with two very substantial hinged tube rings which each feature multiple, pre-drilled and tapped 1/4"-20 holes along the top and bottom for convenient dovetail mounting plate attachment. An aluminum-clad hard carry case with a die-cut foam interior is included to keep the Orion Telescope EON 110mm ED safe and clean during transport and storage. The hard case measures 28.25"x9.25"x9.5".
With flat-out gorgeous workmanship, exceptional optical performance, smooth-adjusting yet rigid focuser and more, the Orion EON 110mm f/6.0 ED Apochromatic Refractor will delight any astrophotographer, apochromat aficionado, or wide-field stargazer seeking that "sweet spot" Orion Telescope - a high-end, fast refractor at a refreshingly affordable price. Get yours today!
Orion EON 110mm ED f/6.0 Apochromatic Refractor Telescope OTA Features...
- Beautifully crafted refractor with a 110mm (4.3") air-spaced doublet lens made with FPL-51 ED glass
- Fairly fast, f/6.0 refractor with outstanding color correction for great wide-field astrophotographic or visual use
- Three optimally positioned knife-edge baffles inside the optical tube eliminate off-axis reflections and glare to ensure excellent contrast
- Precise 2.7" dual-speed (11:1) hybrid-drive focuser supports hefty imaging gear trains weighing up to 17 lbs. without slippage
- Weighs 11.5 lbs. with included tube-rings attached
Orion EON 110mm ED f/6.0 Apochromatic Refractor Telescope OTA Specifications...
Best for viewing: Brighter deep sky
Best for imaging: Deep sky
User level: Intermediate
Optical design: Refractor
Optical diameter: 110mm
Focal length: 660mm
Focal ratio: f/6.0
Coatings: Fully multi-coated
Optics type: Air-spaced doublet
Glass material: Extra low dispersion
Resolving power: 1.05arc*sec
Lowest useful magnification: 16x
Highest useful magnification: 217x
Highest theoretical magnification: 217x
Limiting stellar magnitude: 12.9
Optical quality: Diffraction limited
Finder scope: None
Focuser: 2.7" Hybrid dual-speed Rack-and-pinion
Mount type: Optical Tube without Mount
Astro-imaging capability: Lunar, planetary & long exposure
Tube material: Aluminum
Length of optical tube: 21.5 in.
Weight, optical tube: 11.5 lbs.
Additional included accessories: Aluminum-clad hard case, Tube rings, Starry Night CD-ROM
Other features: Predrilled holes for optional Orion finder scope, Retractable dew shield, Internal knife-edge baffles
Warranty: One yearOrion Product Number: 10031