The eyepiece is 10X(?18mm) wide and point is 10X(?18mm). 4 Objective which are stress free plan achromatic with no cover glass whose magnitude are 4X/0.10, 10X/0.25, 40X/0.65 and 10X/1.25. Eyepiece tube is trinocular having an inclination of 30?, with 100 percent image light and is capable of photography; Impellent stylish and centrally adjustable Bertrand lens, ? Compensator, Quarts wedge compensator. It is furnished with Coaxial coarse or fine focus system having tension adjustable and limit stopper and the lower division of fine focusing is 2?m. It has got rotatable stage of the diameter ?150mm, 360° graduated (in 1° increments), minimum retardation resolution of 6' center adjustable and is tightened. Abbe condenser is NA.1.25 with adjustable Rack & pinion. It is equipped with Blue filter/Frosted filter. Polarizer is 360° rotatable and has four scale of 0°,90°,180° and 270°. The collector is used for lighting with the halogen lamp having the field diaphragm. With polarizer, comes the halogen lamp of 6V 20w having adjustable brightness.