| GENERAL CHARACTERISTICS ITEM DESCRIPTION | OPTICAL SUBASSEMBLY INCLUDING A COMPACT COLLIMATOR,BAR TARGET,AND IR/VISIABLE LIGHT SOURCE 1,IR SOURCE AND VISIBLE LIGHT CONTROL UNITS 1,IR TEMPERATURE-MEASURING POTENTIOMETER BRIDGE 1,RECEIVER HOLDING FIXTURE 1,CRYOGENIC COLLER 1,RECEIVER ALIGNMENTMICROSCOPE 1,PLATE,MAINTENANCE,IR RECEIVER 2 |