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Explore Scientific Essential Series Aluminum 80mm f/6 APO Triplet

|, Telescopes, Refractors, Refractors under 127mm|Explore Scientific Essential Series Aluminum 80mm f/6 APO Triplet

Explore Scientific Essential Series Aluminum 80mm f/6 APO Triplet

$729.99

1 in stock (can be backordered)

EXPLORE SCIENTIFIC 80MM AIR-SPACED ESSENTIAL SERIES ED APO F/6 TRIPLET REFRACTING OTA TELESCOPE

Rugged and portable, the Explore ED80 Triplet is a true three-element apochromatic telescope capable of producing research-level image quality. Dr. Mike Reynolds used this telescope to make the first-ever images of shadow bands on clouds during the total eclipse of the sun over Easter Island on July 11, 2010.

Fine optical quality, deluxe 2-speed focuser, and 99% dielectric 2″ diagonal make this telescope an extreme value!

1 in stock (can be backordered)

Description

Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures of the Messier catalog with Explore Scientific’s 80mm Apochromatic Refractor.

Offering true diffraction-limited optics and sized to encourage spontaneous stargazing sessions, this high-quality telescope is a perfect grab-and-go instrument for exploring the skies.

Featuring an air-spaced triplet optical design that virtually eliminates chromatic aberrations, this telescope generates brilliant high-contrast images by combining genuine HOYA extra-low dispersion (ED) glass and proprietary EMD enhanced multi-layer coatings on all optical surfaces.

…”Then I really went nuts. Or so I thought. I switched to a 3.2mm planetary eyepiece that upped  the magnification to 150x, which approached the theoretical upper limit for a 3-inch. When I gazed into the eyepiece, the four members of the Double Double showed surprisingly well, leaving me to wonder what this scope might do on a night of optimal seeing conditions. I have no doubt the ED80 can achieve its advertised resolving limit of 1.45″…. Small and portable, it’s an ideal grab-and-go telescope. It’s also extremely versatile, able to capture wide-field views spanning several degrees while also providing the high power punch to tease out lunar and planetary detail and split close double stars…”

Although it is a standout telescope on its own, the 80mm also is compact enough to mount on a larger telescope, which can add versatility to your astrophotography experience by separating the guiding and imaging duties.

Explore Scientific 80mm f/6 Essential Series Triplet Refractor Features…

  • The Explore ED80 telescope comes with a white aluminum tube with black accents.
  • Explore Scientific Air-Spaced Apochromatic Triplets have true APO optic and are diffraction limited at .25PV or better.
  • Genuine ED glass from Hoya Japan is used on all ED APO Triplets at Explore, for superb quality and light throughput.
  • Enhanced Multi-Layer Coatings (EMD) are deposited on optical elements to boost contrast and eliminate light scatter, and contrast is further enhanced with the installation of matte black knife-edge baffles in the optical tube assembly.
  • While refractors seldom require additional collimation after initial factory adjustment, the lens cell design allows for consumer collimation. Sending your ED80 Triplet off to the factory is always an option, but is not required.
  • 80mm models come with heavy-duty 2″ dual-speed focusers.
  • The included 2″ diagonal has a precision-polished mirror with enhanced 99% dielectric coatings.
  • To attach your Explore Scientific Air-Spaced Triplet telescope to a variety of mounts, we have included the “Vixen-style” dovetail. The “Vixen-style” plate fits mounts made by Explore, Meade, Celestron, Vixen & others.
  • Aperture: 80mm
  • Focal Ratio: f/6
  • Focal Length: 480mm
  • Adaptable, high power, excellent clarity triplet refractor

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        • Explore Scientific 80mm f/6 Essential Series Triplet Refractor
        • Vixen Style Dovetail
        • 2″ Dual-Speed Focuser
        • 2″ Dielectric Diagonal
        • Finderscope base

APO TRIPLET SERIES

Apochromatic (ED APO) lenses are designed to bring all the colors into focus in the same plane where as Achromatic lenses are corrected to bring two wavelengths into focus in the same plane.

Chromatic aberration is the phenomenon of different colors focusing at different distances from a lens. Telescope objective lenses for wide-band digital imaging in astronomy must have apochromatic correction, as the optical sensitivity of typical CCD imaging arrays can extend from the ultraviolet through the visible spectrum and into the near infrared wavelength range. Apochromatic designs require optical glasses with special dispersive properties to achieve three color crossings. Explore Scientific achieves this using high-quality ED (Extra-Low Dispersion) glass from Hoya and Ohara.

 

  • DescriptionED80mm Essential Series Aluminum Air-Spaced Triplet Refractor
    Item NumberES-ED0806-01
    Focal Length480mm
    Focal Ratiof/6
    Limiting
    Magnitude
    12
    Resolution1.45 arcsec
    Tube Length
    w/ Dew Shield
    18.5″; 475mm
    Tube Length
    w/out Dew Shield
    15″; 381mm
    Diameter85mm
    Weight5.95 lb; 2.7 kg
    DovetailVixen

     

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