Same as Cat. No. 1598, but with an improvement that the telescope and collimator are held in support rigidly and in perfect alignment
Same as Cat. No. 1597, but with an improvement that the telescope and collimator are held in support rigidly and in perfect alignment . Vertical adjusting screws are provided to both the telescope and collimator after adjustment i.e. fine adjustment to the telescope and collimator tubes are provided laterally as well as vertically .