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365Astronomy 2-inch 10:1 Dual-Speed Crayford Focuser for Refractor Telescopes

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1.60 kg
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365Astronomy 2-inch 10:1 Dual-Speed Crayford Focuser for Refractor Telescopes, incl. 2" eyepiece holder and 2" to 1.25" adapter (both with compression ring)


  • 80mm extension length (optical path) with millimeter scale on the drawtube
  • 2" opening with anti-reflective ribs and matte blackened inner tube
  • 73mm telescope-side opening to accomodate the optional adapters (i.e. 2957085 Adapterset or 2957086 Celestron Onyx ED 80 adapter)
  • 2" Eyepiece holder (with brass compression ring) also included to accomodate 2" accessories (e.g. diagonal, etc.)
  • 2" to 1.25" adapter included (with brass compression ring)
  • finderscope connection with 2 screws, distance between finderscope screws: 20.3mm (center to center)


telescope side connection
internal diameter: appr. 73.3mm
external diameter: appr. 82.9mm

drawtube diameter
internal diameter: 50.8mm
external diameter: 56.0mm

drawtube length
overall length including 2" eyepiece holder: 150mm
overall length including 1.25" eyepiece holder: 159mm

weight: 954g

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