This Olympus BX50 microscope is configured for Polarized Light Microscopy complete with an HDMI / USB output camera. It comes with a trinocular viewing head and a pair of 10x eyepieces. The U-PA POL attachment contains the bertand lens and rotatable analyzer. This has a 4 position centerable nosepiece with strain free Ach 4x, 10x, 20x, an...