Stereo zoom optics
l Zoom range: 10—80X(120X)
l Working distance: 90mm
l The range for adjusting the visual distance: 55—75mm
l The range for adjusting the diopter: ±5
l The range for adjusting the focus: 50mm
l Three kinds of illumination fields
l Rheostat to vary dark field/bright field intensity
l Adjustable iris diaphragm to control width of light beam
l Two sample pools can separate the samples