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Explore Scientific ED APO 80mm f/6 Deluxe FCD-100 Hex-Focus


Quick Overview

Explore Scientific ED APO 80mm f/6 Deluxe FCD-100 Hex-Focus

Triplet lens apochromat with two air spaces
Aperture 80mm; focal length 480mm; f/6
High end 2.5" Hexafoc 10:1 DeLuxe Focuser
Two focuser extension tubes
2" 99% Diagonal included
Tube with rotatable 44mm universal dovetail (Fits Skywatcher/Synta/Super/Great Polaris, EQ5, LXD75, EXOS-II)
Uses newly designed HOYA FCD-100 glass for maximumcolor fidelity and correction
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Explore Scientific ED APO 80mm f/6 Deluxe FCD-100 Hex-Focus

Building on the success of the original FCD-1 ED triplets from Explore Scientific, Telescope House are now pleased to offer their new FCD-100 Apos, offering even better colour correction. Thes FCD-100 designs offer a polystrehl value of 0.979 - a level of correction that is absolutely top of the line.

Apochromats are the ultimate choice in small to medium sized telescopes: the combination of compactness, transportability, very high image contrast and sharpness together with the possibility to make excellent astrophotos cannot be bested. The advances in glass manufacturing during the last few years have made true apochromats available to more astronomy enthusiasts than ever before. The new Explore Scientific FCD-100 Alu Hex represents another major improvement in this field - the overall correction (color and spherical) is setting new standards in this price class. The optical design shows a typical polystrehl value of 0.979, an absolutely first class measurement.

This small excellent apochromat is a very versatile telescope: the fast f-ratio makes short exposure times possible for astrophotographic use. The high contrast and sharpness of the image provide breathtaking views of large objects like the North America Nebula or the Andromeda Galaxy, as well as tack sharp planetary images. The telescope is lightweight and compact - the dew shield slides down the tube to minimize size for transportation and storage. This does not only qualify this telescope as the ideal travel scope, it is also the perfect choice for fast observations and for astrophotography. The excellent 2.5" HEXAFOC focuser with 10:1 reduction is perfect for this - and the large inner diameter of 65mm minimises vignetting when used with cameras with large sensors.


Aperture: 80mm
Focal Length: 480mm
Focal ratio: f/6
Design: Apochromat with three lenses, two air spaces and FCD-100 glass

Optical design Apochromatic Refractor
Magnification from 15
Maximum recommended magnification 160
ED glass ✓
Objective diameter 80 mm
Focal length 480 mm
Aperture ratio 6
Angular resolution 1.73 arc seconds
Type of coating Enhanced Multilayer Desposition (EMD)
Mount Type Optics without Mount

Material OTA Aluminium
Focusing system 2.5" Hexafoc DeLuxe with 10:1
Colour white
Ext. warranty after online registration 10 Years

Net weight OTA (incl. accessories) 2.6 kg
Total length 320 cm
Total width 130 cm
Total height 142 cm
Tube diameter 90 mm
Tube length 320 mm
Eyepiece Barrel Diameter 50.8 mm

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