Profiled metal base designed for Crayford GSO 2" extensions up to a diameter of 203 mm and similar (size as for Newtons 6" / 152 mm). As standard, the extractors have a base for an 8-inch telescope tube (tube diameter approx. 250 mm) and it is replaceable.
Technical parameters
• dimensions: 9.1 x 9.1 x 1.4 cm • Hole diameter: 77 mm • screw spacing: 69 mm • weight: 91.4 g
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