基本信息
Stereo zoom 6.5-45X(90) Zoom ratio l:7 Working distance:103mm The range for adjusting the visual distance:52-75mm The range for adjusting the diopter: 5 The range for adjuring the focus: l35mm Wide-angle eyepieces with high point Optic head and stand tilt to a more natural 40°viewing angle Three kinds of illumination fields Tungsten-halogen darkfield /brightfield illumination with sliding baffle Rheostart to vary darkfield/brightfield intensity Adjustable iris diaphragm to control width of light beam Fluorescent illumination simulates north daylight, ideal for diamond color grading Work normally in 90-230V voltage range and the lamination is steady Built-in optical-fiber illumination system
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