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SPECTROMETER Deluxe Type Specifications are same as per Cat No. 1588, only fine adjustment to the telescope and collimator tubes are provided laterally as well as vertically. • By Smooth Rack & Pinion (Approx. 2” motion ) : Circular Slit : : : : : 28mm 32mm 25mm 178mm(7”) By Smooth Rack & Pinion (Approx. 2” motion ) : Circular Slit Ramsden Eyepiece : 15x Crosswire : Scale & Verniers Circular Scale Fine Quality Crossline Graticule : 6” Diameter (150mm) S.S.