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Sky-Watcher 10" f/5 Flextube Dobsonian Telescope - S11720

SKU: SKY-S11720

Regularly stocked item that is on order with the manufacturer and on its way to our warehouse. Expected to arrive within 5-10 business days.

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Sky-Watcher 10" f/4.7 Flextube Dobsonian Telescope




The Sky-Watcher 10" f/4.7 Flextube Truss Dobsonian Telescope is a low cost, large aperture reflecting telescope of the Dobsonian design. This is a big, friendly horse of a telescope you can ride off into the sunset with, and then thrill to well resolved celestial views when twilight fades. The Sky-Watcher 10" DOB is a very satisfying telescope to own, an instrument that will provide a lifetime of continuing exploration of the heavens. This telescope will hit the sweet-spot for many amateurs, providing all the capability and value you are seeking in a large aperture telescope. Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport.




Many challenging objects for an 8" aperture now come into their own with the SW 10" DOB: the planetary nebula the Crab (M1), a supernova remnant, requires a 10" aperture to truly begin to appreciate the several subtle, gaseous filamentary structures. There is no question the incremental resolving power of a 10-inch aperture is visually impressive when compared to an 8-inch. Therefore, it is no wonder then that the 10" aperture is overtaking the 8" as the serious amateur astronomer's aperture of choice in a Dobsonian telescope.



Observing with the 10" Sky-Watcher Dobsonian:




If you have never before observed through a high-quality, wide-field Dobsonian, like the Sky-Watcher 10" DOB, you are in for one of the sweetest experiences in amateur astronomy. Some of amateur astronomy's most revered and enthusiastically observed extra solar-system objects are now within your reach. Observing with a Dobsonian has been described akin to shooting ducks in a gallery because it is so easy to find your target. Just swing your Sky-Watcher DOB to the quadrant of sky to be searched, and scan the vicinity. An 8x50 mm optical viewfinder helps your search for those elusive fuzzies when star-hopping. At low power, deep-space objects leisurely drift through the field of the Sky-Watcher 10" DOB, so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in the field of view.




The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plossl eyepieces (25 mm and 10 mm) provide a spacious 52 degree Apparent Field of View. To ensure mechanical ease-of-use, Sky-Watcher uses a high-performance Teflon bearing system in both axes combined with tension adjustment in altitude to facilitate setting the appropriate amount of friction, assuring smooth vertical and horizontal manual movement without free-play from small bumps or gusts of wind. This also eliminates the need to have a balanced optical tube as in an equatorial mount.




Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport. This innovation provides a one piece, low-hassle OTA design, mechanically simple and results in large aperture telescopes that can be reasonably handled and transported by one individual.



Sky-Watcher Uses Quality Components Throughout:




The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast, and properly corrected optics show minimum alterations to the optical wave-front. On each 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. Dust covers help keep your DOB clean when not in use. The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance your viewing experience.




In order to achieve focus while using a binoviewer without a corrector or Barlow lens, these Sky-Watcher Collapsible Truss Tube Dobsonians have an additional set of holes to allow the diagonal mirror cage to be lowered to a predetermined locking position on the truss poles. This enables binoviewing without unnecessary excess magnification.
Description
Description

Sky-Watcher 10" f/4.7 Flextube Dobsonian Telescope

The Sky-Watcher 10" f/4.7 Flextube Truss Dobsonian Telescope is a low cost, large aperture reflecting telescope of the Dobsonian design. This is a big, friendly horse of a telescope you can ride off into the sunset with, and then thrill to well resolved celestial views when twilight fades. The Sky-Watcher 10" DOB is a very satisfying telescope to own, an instrument that will provide a lifetime of continuing exploration of the heavens. This telescope will hit the sweet-spot for many amateurs, providing all the capability and value you are seeking in a large aperture telescope. Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport.

Many challenging objects for an 8" aperture now come into their own with the SW 10" DOB: the planetary nebula the Crab (M1), a supernova remnant, requires a 10" aperture to truly begin to appreciate the several subtle, gaseous filamentary structures. There is no question the incremental resolving power of a 10-inch aperture is visually impressive when compared to an 8-inch. Therefore, it is no wonder then that the 10" aperture is overtaking the 8" as the serious amateur astronomer's aperture of choice in a Dobsonian telescope.

Observing with the 10" Sky-Watcher Dobsonian:

If you have never before observed through a high-quality, wide-field Dobsonian, like the Sky-Watcher 10" DOB, you are in for one of the sweetest experiences in amateur astronomy. Some of amateur astronomy's most revered and enthusiastically observed extra solar-system objects are now within your reach. Observing with a Dobsonian has been described akin to shooting ducks in a gallery because it is so easy to find your target. Just swing your Sky-Watcher DOB to the quadrant of sky to be searched, and scan the vicinity. An 8x50 mm optical viewfinder helps your search for those elusive fuzzies when star-hopping. At low power, deep-space objects leisurely drift through the field of the Sky-Watcher 10" DOB, so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in the field of view.

The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plossl eyepieces (25 mm and 10 mm) provide a spacious 52 degree Apparent Field of View. To ensure mechanical ease-of-use, Sky-Watcher uses a high-performance Teflon bearing system in both axes combined with tension adjustment in altitude to facilitate setting the appropriate amount of friction, assuring smooth vertical and horizontal manual movement without free-play from small bumps or gusts of wind. This also eliminates the need to have a balanced optical tube as in an equatorial mount.

Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport. This innovation provides a one piece, low-hassle OTA design, mechanically simple and results in large aperture telescopes that can be reasonably handled and transported by one individual.

Sky-Watcher Uses Quality Components Throughout:

The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast, and properly corrected optics show minimum alterations to the optical wave-front. On each 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. Dust covers help keep your DOB clean when not in use. The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance your viewing experience.

In order to achieve focus while using a binoviewer without a corrector or Barlow lens, these Sky-Watcher Collapsible Truss Tube Dobsonians have an additional set of holes to allow the diagonal mirror cage to be lowered to a predetermined locking position on the truss poles. This enables binoviewing without unnecessary excess magnification.
Specifications
Specifications
Model Number S11720
Telescope Series Sky-Watcher Flextube Dobsonian
Focal Ratio f/4.7
Optical Design Newtonian Reflector
Telescope Aperture 254mm (10")
Telescope Mount Type Dobsonian
Type of Electronics Manual Mount - No Electronics
Focal Length (mm) 1200
Optical Coatings Aluminum with Multi-Overcoats
Limiting Stellar Magnitude 14.5
Lowest Useful Magnification 36x
Highest Useful Magnification 600x
Light-Gathering Power Compared to Human Eye 1317x
Focuser Style Crayford/Crayford Style
Focuser Size 2"
Focuser Speed Single Speed
Eyepiece Height at Zenith (in.) 48
Refractor OTA Length - Extended (in.) 44
Refractor OTA Length - Retracted (in.) 31.5
Telescope OTA Outside Diameter (in.) 11.375"
Warranty Sky-Watcher 2 Year Limited
Dobsonian Base Dimensions (in.) 29.5 x 20
Dobsonian Base Weight (lb.) 26.5
What's in the Box?
What's in the Box?
  • Sky-Watcher 10" f/5 Flextube Dobsonian Reflector Telescope
  • Solid Dobsonian Rocker Mount
  • Collapsible Truss-Tube Structure
  • 8x50 Right Angle Erect-Image Finderscope
  • 2" Crayford-Style Focuser with 1.25" Adapter
  • 25 mm Super Plossl Eyepiece - 1.25"
  • 10 mm Super Plossl Eyepiece - 1.25"
  • 1.25" and 2" Eyepiece Adapters
  • Dust Covers
Files
Files
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