High Grade Research Spectrometer

Collimator Inner tube Diameter Outer tube Diameter Diameter of Achromatic Objective F.L. of Achromatic Objective Focus : : : : : 38mm 44mm 32mm (1.28”) 178mm(7”) By Smooth Rack & Pinion (Approx. 2” motion ) Circular Slit Slit Telescope Inner tube Diameter Outer tube Diameter Diameter of Achromatic Objective F.L.of Achromatic Objective Focus : : Ramsden Eyepiece Crosswire : : Scale & Verniers Circular Scale : 10” Dia.