Stereo zoom: 6.5—45X(90X)
l Zoom ratio: 1:7
l Working distance: 99mm
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: 135mm
l Wide-angle eyepieces with high point
l Optic head and stand tilt to a more natural 40° viewing angle
l Three kinds of illumination fields
l Tungsten-halogen dark field/bridge field illumination with sliding baffle
l Rheostat to vary dark field/bright field intensity
l Adjustable iris diaphragm to control width of light beam
l Fluorescent illumination simulates north daylight, ideal for diamond color grading
l Working normally in 90—230V voltage range and the luminance is steady
l Built-in optical-fiber illumination