Shop By Category
1 Item(s)
Set Descending Direction
  1. Celestron Newtonian reflector collimating tool

    $39.95
    The Celestron Newtonian reflector collimating tool is a combination of a sight tube and a Cheshire eyepiece in a single unit. It has the precisely centered sighting hole and crosshairs of a sight tube, plus the cutout in the side of the tube containing the very precise 45° angle reflecting surface of a Cheshire . . .
1 Item(s)
Set Descending Direction