Precsion Autocollimator

Precision Autocollimator                                                                                (i)                 Single axis                                                                                     (ii)               Dual axes                                                                                            Common Features of Precision Auto Collimator:                                Objective focal length                                                                              : 500 mm       Objective clear aperture                                                                            : 45 mm                 Eyepiece magnification                                                                             : 10X       Telescope specification                                                                            : 20X       Range of measurements                                                                            : 20       Working distance up to 5 meters. For full range of measurement            : 16       Working distance up to 10 meters. For full range of measurement          : 8       Number of division on micrometer                                                           : 60       Least count of micrometer                                                                        : 2       Precision of setting                                                                                   : 1       Accuracy over full range of measurement                                                :  2 *    Reflecting Mirror with base                                                                            Specification:       Material: Optical glass BSC / BK-7       Front surface coated mirror. Coating material: Al. with protective coat of SiO.       Dia. 50 mm; Thickness: 10 mm; Clear aperture: 45 mm.       Front surface optically flat; Surface flatness: l/4; other face: fine ground.       Foot span of base: 110 mm; Width: 62 mm .       Bottom and sides are optically ground.       Mirror is mounted on the base at 90 2.