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Explore Scientific Classic White Aluminum ED80 f/6 APO Triplet with Hoya FCD100 optics

|, Telescopes, Refractors, Refractors under 127mm|Explore Scientific Classic White Aluminum ED80 f/6 APO Triplet with Hoya FCD100 optics

Explore Scientific Classic White Aluminum ED80 f/6 APO Triplet with Hoya FCD100 optics

$999.99

1 in stock (can be backordered)

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 FCD100 Apochromatic Refractor.

This is essentially the same scope as the ES-ED0806-01 but offering greater quality optics. We use Hoya FCD100 optics which is very similar in characteristics as Ohara FPL-53. Relying on technological innovation, we have successfully launched the mass production of high-performance optical glass at the apex of the FCD family. Combining it with optical glass of high refractive index allows us to achieve unprecedented advanced chromatic aberration correction. Hoya FCD100 is considered the best glass ever produced by Hoya.

Having a true diffraction-limited optical design 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 FCD100 extra-low dispersion (ED) glass and proprietary EMD enhanced multi-layer coatings on all optical surfaces.

In addition, this amazing little scope also includes a 2.5″ Hexagonal focuser with very rigid design and strong support. Up to 10 lbs of gear can be loaded onto this focuser.

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.

ED80 Classic White f/6 Air Spaced Triplet with Hoya FCD100 optics and Integrated Dew Shield; 480mm focal length; 2.5″ HEX Focuser; Integrated Vixen-Style Dovetail, Explore Finder Scope Base installed on scope; 99% Reflective 2″ Diagonal. Weighs 7.5lbs. (Case and Finder Scope NOT Included)

1 in stock (can be backordered)

Description

EXPLORE SCIENTIFIC 80MM FCD100 F/6 ED APO TRIPLET REFRACTOR

Expose the wonder of Earth’s celestial neighborhood with the Explore Scientific 80mm FCD100 Refractor. You’ll experience the beauty of the barren lunar landscape, the smooth elegance of Saturn’s ring structure, the most luminous deep sky objects in the Messier catalog, and more!

For all intents and purposes, the 80mm FCD100 is the same instrument as the Explore Scientific 80mm Essential Series Refractor, but with higher quality optics. Explore Scientific uses Hoya FCD100 extra-low dispersion (ED) glass which has characteristics analogous with Ohara FPL-53 glass. With a true diffraction-limited optical design and compact size, the 100mm FCD100 is a premium quality refractor that has been made to inspire impromptu stargazing adventures.

By combining Hoya FCD100 optics with Explore Scientific’s proprietary EMD enhanced multi-layer coatings on all optical surfaces, the 80mm FCD100 air-spaced triplet refractor produces radiant images with high contrast while avoiding chromatic aberrations almost entirely.

This incredible little scope also comes with a 2.5″ Hexagonal focuser that features an extremely rigorous design and support for up to 10 lbs. of accessories.

Even though the 80mm FCD100 is an outstanding telescope by itself, it is also small enough to mount on a larger instrument. This gives you flexibility when Astro-Imaging by splitting guiding and imaging responsibilities between the two scopes.

Manufacturer #ES-FCD100-0806-01

 

ADDITIONAL INFORMATION

APERTURE: 80 mm (3.15″)

FOCAL LENGTH: 480 mm

FOCAL RATIO: f/6

FREE SHIPPING: Yes

MANUFACTURER: Explore Scientific

OPTICAL DESIGN: Triplet

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  • Explore Scientific 80 mm FCD100 f/6 Refractor OTA
  • 2″ Star Diagonal
  • 2.5″ Hexagonal Focuser
  • 1.25″ Eyepiece Adapter
  • Vixen-style Dovetail

 

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 FCD100 Aluminum Air-Spaced Triplet Refractor
Item NumberFCD100-0806-01
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
Weight7.5lb; 3.4kg
DovetailVixen

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