Bausch & Lomb StereoZoom 4 StereoZoom Microscope, 0.7x to 3.0x .
Bausch & Lomb StereoZoom 5 StereoZoom Microscope, 0.8x to 4.0x .
Bausch & Lomb StereoZoom 7 StereoZoom Microscope, 1.0x to 7.0x .
Olympus BH-2 Polarizing Microscope