Explore Scientific ED80 Triplet Refractor with 0.8x Focal Reducer
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Explore Scientific ED80 f/6 Essential Series Air-Spaced Triplet Refractor with 0.8x Focal Reducer
Capture the cosmos with precision and clarity using the ED80 Essential Series Triplet Refractor—a compact and versatile telescope engineered for serious astrophotographers and visual observers alike. Featuring a true air-spaced triplet optical design with premium HOYA FCD1 ED glass, this 80mm f/6 telescope delivers crisp, high-contrast images with minimal chromatic aberration.
When paired with the included 0.8x focal reducer, it transforms into a fast f/4.8 wide-field imaging system—ideal for photographing expansive deep-sky targets like the Andromeda Galaxy or the Heart Nebula. Built around a rugged 2.5-inch hex focuser that supports heavy imaging gear, the ED80 Essential offers diffraction-limited performance in a portable, travel-friendly package.
Features:
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Premium HOYA FCD1 ED Glass — Delivers sharp, color-accurate images with excellent contrast and minimal aberration.
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Fast, Wide-Field Imaging — Included 0.8x focal reducer creates an f/4.8 system—perfect for large nebulae and galaxies.
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Durable Hex Focuser — 2.5-inch heavy-duty focuser handles up to 10 lbs of imaging accessories with smooth precision.
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Visual & Imaging Versatility — Use with focal reducer for astrophotography or swap in diagonal for immersive visual observing.
What's included:
✓ FCD-1 Essential Series ED 80 Mm F/6 Air-Spaced Refractor Telescope
✓ 0.8x Focal Reducer With Ends Caps And Adapter With 42 Mm T2 Ring Thread
✓ 99% Reflective 2-Inch Diagonal
✓ Explore Scientific 2.5-Inch Hexagonal Focuser Rugged Enough To Load 10 Pounds Onto The Focuser
✓ 2 Focuser Extension Tubes
✓ Hybrid Finder Scope Base Installed On Scope. (Finder Scope Not Included.)
✓ Built-In Dew Shield
✓ Dust Cover/Lens Cap
Specifications:
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ED80 Essential Triplet |
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Aperture |
80mm |
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Focal Length |
480mm |
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Focal Ratio |
f/6 |
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Limiting Magnitude |
12 |
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Resolution |
1.45 arcsec |
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Tube Length w/ Dew Shield |
18.5"; 475mm |
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Tube Length w/o Dew Shield |
15"; 381mm |
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Diameter |
85mm |
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Weight |
5.95 lb; 2.7 kg |
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Dovetail |
Vixen |
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0.8x Focal Reducer |
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Design |
2-element |
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Reduction |
0.8x |
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Focal Length with ED80 |
384mm |
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Focal Ratio with ED80 |
f/4.8 |
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Back Spacing |
55mm (+/- 2mm) |
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Camera Thread |
M42 (standard T-ring) |