Lyzer Trinocular Petrological Microscope :

With tripple revolving nose piece, co-axial coarse and fine motion, circular  stage, rotatable in 360 degree, graduated with vernier reading up to 0.1 degree with provision for centring by two knobs located just below  the circular stage,polariser with swing out system. Compact analyser head having iris diaphragm, Bertand lens, Analyser rotating ring and half/full wave compensator with following optical combination.
Objectives   5x, 10x and 45x (SL)
Eyepieces    WF10 x (Pair)