Explore Scientific 80mm f/6 Essential Apochromatic ED Triplet Refractor Telescope (OTA Only)

Explore Scientific 80mm f/6 Essential Apochromatic ED Triplet Refractor Telescope (OTA Only)

Explore Scientific 80mm f/6 Essential Apochromatic ED Triplet Refractor Telescope (OTA Only)

B&H # EXESED080601 MFR # ES-ED0806-01
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Product Highlights

  • 80mm Aperture
  • 480mm Focal Length, f/6 Focal Ratio
  • Extra-Low Dispersion (ED) Glass
  • Proprietary EMD Enhanced Multicoatings
  • Vixen-Style Dovetail Plate
  • Apochromatic Triplet Lens System
  • Mounting Cradle-Ring with Handle
  • Two-Speed 2" Rack-and-Pinion Focuser
  • 1.25" Eyepiece Adapter
  • 90° Star Diagonal
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Focuser: 2"/2-Speed Rack-and-Pinion

2"/2-Speed Rack-and-Pinion 2.5" HEX Focuser

Not available with current selections

3"/2-Speed Rack-and-Pinion

Not available with current selections

OTA Material: Aluminum

Aluminum Carbon Fiber

Not available with current selections

$0.00 Tax Collected Outside NY and NJ

You Pay: $699.99

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Explore Scientific ED80 overview

  • 1Description

The ED80 80mm f/6 Essential Apochromatic ED Triplet Refractor Telescope from Explore Scientific features a triplet apochromatic lens system with Extra-low Dispersion (ED) glass and Explore Scientific's proprietary anti-reflection EMD fully multicoated optics. This combination of glass, lenses, and coatings virtually eliminates chromatic and spherical aberrations for clear and bright images without distortion across the entire field of view, with true color rendition. This is a versatile optical tube assembly that can be employed as a simple grab-and-go primary telescope, as a large finderscope mounted to a larger scope such as a Dobsonian, or set up on a dual-mount rig for astrophotography/astroimaging.

A mounting cradle-ring clamps over optical tube assembly (OTA). The cradle-ring allows the user to adjust the orientation and position of the scope relative to the mount to optimize viewing comfort and balance, while avoiding interference with other equipment. The scope is offered without a mount or tripod, but a Vixen-style dovetail plate makes it compatible with any alt-az or equatorial mount with a Vixen-style saddle. Its two-speed rack-and-pinion focuser helps make fine-focusing fast and precise. A 90° star diagonal is also included for more comfortable viewing. The mirror has dielectric coatings for a 99% light transmission for minimal light loss when using it.

Optical Performance
  • 80mm objective lens
  • 480mm focal length
  • Focal ratio: f/6
  • Refractor-style optical design
  • Extra-low Dispersion (ED) glass
  • Triplet apochromatic lenses eliminate chromatic and spherical aberrations for true color rendition and without distortion across the entire field of view
  • Proprietary anti-reflection EMD enhanced multicoatings on all optics
Use and Handling
  • Two-speed 2" rack-and-pinion focuser
  • Bracket for user-supplied finderscope
  • One-piece 2" 90° star diagonal with highly-reflective dielectric coatings for up to 99% light transmission
  • 1.25" eyepiece adapter
  • Vixen-style dovetail plate included
  • User-supplied mount and tripod required
  • Compatible with any alt-az or equatorial mount with a Vixen-style saddle
  • Cradle-ring assembly for plate allows the scope orientation to be changed based on mount configuration
  • Integrated carry handle on cradle-ring assembly
UPC: 812257014910
In the Box
Explore Scientific 80mm f/6 Essential Apochromatic ED Triplet Refractor Telescope (OTA Only)
  • 2" ES Star Diagonal xfftuvvatscdzxsytwftszsbdqyyvrwtyfcc
  • 1.25" Eyepiece Adapter
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
  • Table of Contents
    • 1Description

    Explore Scientific ED80 specs

    Optical Design Refractor
    Aperture 3.1" (80 mm)
    Focal Length 480 mm
    Focal Ratio f/6
    Eyepiece Barrel Diameter 2", 1.25" with included adapter
    Diagonal 90°
    Finderscope None
    Tripod None
    Mount Type Vixen-style dovetail
    Optical Tube Dimensions Diameter: 3.3" (8.5 cm)
    Length: 18.5" (47.5 cm), with dew shield
    Length: 15" (381 cm), without dew shield
    Weight 7.5 lb (3.4 kg)
    Packaging Info
    Package Weight 12.5 lb
    Box Dimensions (LxWxH) 23.0 x 8.5 x 8.5"

    Explore Scientific ED80 reviews

    80mm f/6 Essential Apochromatic ED Triplet Refractor Telescope (OTA Only) is rated 3.5 out of 5 by 2.
    Rated 2 out of 5 by from A huge disappointment. I bought this scope for wide field astrophotography few months ago. But optical performance is way below I expected. I will list pros and cons as below- Pros- 1) Strudy built. 2) Triplet ED design so goo colours and almost no chromatic aberration. 3) Good quality 2 speed focuser and 2 inch diagonal. Cons- 1) Extreme field curvature and vignetting- This is the main disappointment with this scope. It is quite expected to have some field curvature at this much short focal length specially at this price, but this is too extreme. More than half of the distance from the edge to the center of the field is affected by field curvature so making most of the field of view is unusable. Even with field flattener/0.8 focal reducer from televue (TRF 2008) helps very little in flattening the field. This goes against my whole concept of using the scope for wide field astrophotography. 2) No finderscope. You have to buy it separately which is about the price of a pair of good binoculars. 3) Not coming with a carrying case as it's older model. 4) Short dovetail shoe. When balancing with camera and other imaging accessories attached, only one screw of the dovetail cradle of the mount can be used to hold the scope, as the scope has to be move way forward in the dovetail cradle.
    Date published: 2016-10-30
    Rated 5 out of 5 by from 80 APO Highly recommended
    Date published: 2016-12-30
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