Warren-Knight precision optical autocollimator / alignment telescope,

Older Model Autocollimator with Wooden Stand UNTESTED Keuffel & Esser Co. Hilger

Davidson Optronics D638 Coordinate Autocollimator - Free Shipping

Opto-metric Tools Inc, AUTO COLLIMATOR, Ernst Leitz Wetzlar Germany

Davidson Optronics Signal Autocollimator D672-200

Thorlabs KM200 Kinematic Mirror Mount for Ø2" Optics, Two Adjusters

Vintage ORIEL Optics Corp. Stamford Conn. Optical Mirrror Mount 2"

4" DIAMETER 1/10 WAVE ZERODUR OPTICAL FLAT