Profiled metal base designed for 2" Crayford GSO extensions, for tubes with a diameter of 303 mm and similar (size as for Newtonians 10" / 254 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 1.1 cm • Hole diameter: 77 mm • screw spacing: 68 mm • weight: 79.7 g
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