Sky-Watcher Flextube 300P SynScan Dobsonian 12-inch Telescope S11820, TUBE ONLY For Sale
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Sky-Watcher Flextube 300P SynScan Dobsonian 12-inch Telescope S11820, TUBE ONLY:
$1199.00
Sky-Watcher Flextube 300 SynScan Dobsonian 12-inch Computerized GoTo Large Aperture Telescope (S11820-2)TUBE ONLY - w/o Base
!!! NEW - OPEN BOX !!!!!! ONE MINOR TRANSPORTATION BODY SCRATCH (PHOTO#21) !!!!!! TUBE ONLY - WITHOUT BASE !!!!!! HAND CONTROLLER NOT INCLUDED !!!!!! FREE SHIPPING SAME DAY !!!
About this item
- LARGE APERTURE: Get a bright, bold viewing experience at a fraction of the cost of other optical designs.
- BUILT-IN WIFI: Control your telescope using a smartphone or tablet with Sky-Watcher’s proprietary built-in wifi signal.
- ALL METAL GEARING: Using all-metal gearing on a pair of DC servo motors, the SynScan Dobsonian combines the precise automated tracking of a computerized GoTo telescope with the bright large-aperture viewing of a Dobsonian.
- 94% REFLECTIVE MIRRORS: Fully multi-coated borosilicate primary and secondary mirrors deliver exceptional views.
- All accessories such as, 2-inch Crayford-style focuser with 1 1/4-inch adapter, two super wide-angle eyepieces (25mm and 10mm), and 9x50 straight-through finder scope are included with purchase.
- LIGHTWEIGHT DESIGN: Dobsonian Tube weighs only 46 pound
SpecificationsSKUS11820-2UPC050234820110Optical InfoOptical DesignNewtonianMirror CoatingsRadiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivityGlass TypeBorosilicatePrimary Aperture (mm)305F/Ratio4.9Focal Length (mm)1500Secondary Diameter70mmSecondary Obstruction (by diameter)23%Secondary Obstruction by Area5%Observational InfoDawes Limit0.38Rayleigh Limit0.46Limiting Mag.14.9Minimum Magnification43Maximum Magnification600Light Gathering (compared to next size down)44%
