The 8" Dobsonian Telescope from Sky-Watcher
is a large-aperture, short focal-length, Newtonian reflector. It
provides big light-bucket gathering, good optical quality and unique
utility. It has an inspiring simple construction, emphasizing
ease-of-use and greater aperture for lower cost.
Sky-Watcher's optical tube design utilizes their proprietary truss
support system. That system allows the optical tube's front and back
tubes to collapse together, aligning on the truss support rods, and
locking down for secure transport. This one piece, low-hassle OTA design
is mechanically simple and results in a large aperture telescope that
can be reasonably handled and transported by one individual. This
innovation gives Sky-Watcher users tremendous functional ease-of-use.
The Sky-Watcher Dobsonian's large aperture and fast focal ratio make it
the ideal dedicated telescope for wide-field, deep-space observation of
faint galaxies, nebulae, and star clusters. For ease-of-use, Sky-Watcher
uses a high-performance Teflon bearing system in both axes combined
with tension adjusters in altitude that assure smooth manual movement.
Sky-Watcher Dobsonian telescopes offer quality optics, huge aperture, solid construction, and superb value for the investment.
In viewing deep-space aperture counts big time. With this telescope you
have tremendous light gathering power. Some prominent deep-space objects
seen well in an 8" SW DOB are the Lagoon (M8), Trifid (M20), and Swan
(M17) nebulae, the globular star clusters M13 and M92 in Hercules, the
Great Orion Nebula (M42) and our local galaxy group companion, the
Andromeda Galaxy (M31), and many more.
On each parabolic primary mirror, and elliptical diagonal mirror,
aluminum is vacuum deposited to the front glass surface and then over
coated with hard quartz (SiO4). Additional layers of titanium dioxide
(TiO2) and (SiO4) are then applied.
An 8x50mm right angle optical viewfinder provides both magnification and
light gathering to help narrow your search for those elusive fuzzies
while star-hopping. The standard, backlash-free, 2" Crayford Focuser
insures ultra smooth focusing adjustments. Multi-coated, 4-element
Plossl eyepieces (25mm and 10mm) provide a spacious 52° Apparent Field
of View.
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