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The 80mmED f/7.5 Doublet APO Refractor from Sky-Watcher
features a doublet apochromatic lens system with Extra-low Dispersion
(ED) glass and Sky-Watcher's proprietary photon anti-rejection Metallic
High-Transmission Coatings (MHC) on all air-to-glass optical surfaces.
This combination of glass, lenses, and coatings virtually eliminates
chromatic aberrations for clear and bright high-contrast images with
true color rendition. This is a versatile optical tube assembly (OTA)
that is well suited for wide-field astronomical observation of prominent
nebulae, star clusters and galaxies, or can be used as an astrograph
for sky photography, a terrestrial spotting scope or telephoto lens.
mounting cradle-ring clamps over OTA and 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.
Crayford-style focuser helps make fine-focusing fast and precise without
backlash. The ProED comes with several accessories to help you get
observing faster and easier. First, are two long eye relief eyepieces
that produce 30 and 120x magnification, a 90° star diagonal for more
comfortable viewing, and a large 8x50 erect-image finderscope to make
finding your celestial objects faster and easier. Finally, Sky-Watcher
provides a foam-lined aluminum carrying case to safely store and
transport the OTA.
The EQ3 Pro mounts are the perfect instrument for novice visual observers to enjoy astronomy with minimal setup time and in-depth knowledge of the night sky.
• Positioning Accuracy up to 1 arc minute. Accuracy enhanced by software collimation error (mount mechanical error) compensation.• Stepper motors with 1.8° step angle and 32 micro steps driven.• Slewing speed up to 3.4°/sec (800X).• Guiding speed selectable from 0.25X, 0.50X, 0.75X, or 1X.• Object database containing complete Messier, NGC, and IC catalogues.• Periodic Error Correction.• PC compatibility.• Upgradeable hand control via internet download.
In the Box