• Explore Scientific FCD100 80mm refractor with 0.8x reducer and iEXOS-100 GoTo mount
  • Close-up of the Explore Scientific FCD100 80mm apochromatic refractor optical tube
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Explore Scientific

Explore Scientific FCD100 80mm APO + 0.8x Reducer + iEXOS-100 GoTo Mount Bundle — Premium Astrophotography Kit

Explore Scientific FCD100 80mm APO + 0.8x Reducer + iEXOS-100 GoTo Mount Bundle — Premium Astrophotography Kit

$1,699.99
$1,699.99
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This Explore Scientific FCD100 80mm APO astrophotography kit bundles a premium triplet apochromatic refractor telescope with a 0.8x focal reducer and the computerized iEXOS-100 GoTo mount — a complete deep-sky imaging package (just add a camera). The triplet uses high-grade Hoya FCD100 extra-low-dispersion glass for outstanding colour correction and exceptionally sharp stars, while the 0.8x reducer speeds up and widens the optics for faster, larger-field exposures.

With an 80mm aperture and 480mm focal length (f/6), the 0.8x reducer takes it to roughly 384mm at f/4.8 — fast and wide for large nebulae and galaxies. The iEXOS-100 is a portable WiFi GoTo German equatorial mount that automatically finds and tracks targets through long exposures.

Who it's for: Astrophotographers who want premium optics in a fast, wide-field, complete imaging kit. Learn the fundamentals in our beginner's guide to astrophotography.

  • FCD100 triplet optics: premium Hoya FCD100 ED glass for outstanding colour correction.
  • 0.8x focal reducer: speeds the system to about f/4.8 and widens the field for faster imaging.
  • 80mm f/6 native: 480mm focal length, ~384mm with the reducer fitted.
  • iEXOS-100 GoTo mount: WiFi equatorial mount that finds and tracks objects automatically.
  • Complete imaging kit: OTA, reducer and tracking mount ready to shoot.

What you'll see: With the reducer fitted this premium fast, wide field excels on large deep-sky targets — sprawling nebulae, big galaxies and rich star clusters — captured with exceptional sharpness and colour, tracked steadily by the GoTo mount. Visually the FCD100 gives beautifully sharp, colour-true lunar, planetary and star-field views.

Specifications
Optical design FCD100 triplet apochromatic refractor
Aperture 80mm
Focal length 480mm native; ~384mm with 0.8x reducer
Focal ratio f/6 native; ~f/4.8 reduced
Glass / corrector Hoya FCD100 ED; 0.8x reducer included
Mount iEXOS-100 PMC-Eight WiFi GoTo equatorial
Best for Fast, wide-field deep-sky astrophotography

How is FCD100 different from a standard ED triplet?
FCD100 is a premium extra-low-dispersion glass that improves colour correction further, giving cleaner, sharper stars — a noticeable step up in optical quality.

What does the 0.8x reducer do?
It shortens the focal length and speeds the focal ratio for a wider field and faster exposures on deep-sky targets.

Is this a complete astrophotography setup?
Almost — it includes the FCD100 triplet OTA, the 0.8x reducer and a GoTo tracking mount. You add a camera and the appropriate adapter.

What does the iEXOS-100 GoTo mount do?
It automatically slews to objects and tracks them as the sky moves, which is essential for long-exposure imaging.

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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