| GENERAL CHARACTERISTICS ITEM DESCRIPTION | THREE DIGIT COUNTER CALIBRATED TOPORM 1 NANOMETER,APERTURE RATIO F/3.5,DISPERSION 3.3 NM/MM WITH 1180 G/MM ICRON STRAIGHT BAYONET SLITS RESOLUTION 0.3 NM MEASURED AT 313.1 NM SECOND ORDER SOLID ALUMINUM CASTING WITH MIRRORSAND GRATING PIVOTS DIRECTLY MOUNTED,11.5 IN.LONG 7.25 IN.HIGH,6.5 IN.WIDE,WEIGHT 12 LBS. |