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Sky-Watcher unveiled its Stargate Truss-Tube Dobsonian Telescopes at NEAF. These large 18- and 20-inch f/4 reflectors (starting at $5,999) are constructed around conical fused-borosilicate primary and cellular secondary mirrors with 94% reflective aluminum coatings. The modular truss design divides the total weight of each scope into manageable sections that assemble quickly in the field. The base model includes a 2-inch dual-speed Crayford focuser, 9×50 finder scope, as well as 28- and 10-mm LET eyepieces. Additional accessories include three 2.3 lb. counterweights, a truss shroud, and tool-free truss clamps. Both scopes are also available with motorized Go To and a SynScan hand controller at additional cost, featuring dual encoders that permit manual slewing without losing alignment. See manufacturer’s website for additional details.
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