Tag: Crayford Focuser

2″ Crayford Focuser from ScopeStuff
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2″ Crayford Focuser from ScopeStuff

Scopestuff’s new GSO 2″ Crayford Focuser can, in the words of Scopestuff’s Jim Henson, “transform your scope into a dream machine!” Cheaply built focusers can be the weakest link in your telescope drive train. Sticky grease, rough racks, shims and springs for crude adjustment, and bad feel can make for […]

Orion Ritchey-Chrétien Astrograph Truss Tube Telescopes
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Orion Ritchey-Chrétien Astrograph Truss Tube Telescopes

Orion‘s 10″ and 12” f/8 Orion Ritchey-Chrétien Astrograph Truss Tube Telescopes feature premium quartz mirror optics in its hyperbolic primary and secondary to achieve flat images that are virtually free of chromatic aberration, for true-color performance. Each of the Orion Ritchey-Chrétien Astrograph Truss Tube Telescopes primary mirror and the secondary […]