●光学镜头稳定,清晰
●倍率 6.5-45X (90X) 连续可变
●目距调节范围： 55-75mm
●视度调节： ± 5 度
●工作距离： 90mm
●变倍比： 1:7
●大视域 (WF),高眼点广角目镜
●三种照明场
●优化暗场
●光源连续可调
●大视域目镜 (WF)
●滚珠传动机构：调焦更平稳
●调焦大手轮：操作更灵活
●调焦范围更大: 达 135mm ，便于大样品，如手镯以观察
●自锁紧机构: 无须担心调焦机构因长期使用而失效
●可先配大光栏 , 入射角度佳，更理想的照度

• Stereo zoom optics
• Zoom range 6.5-45X (90X)
• Zoom ratio 1:7
• Working distance: 90mm
• The range for adjusting the visual distance: 55-75 mm
• The range for adjusting the diopter: ± 5
• The range for adjusting the focus: 135mm
• Three kinds of illumination fields
• Tungsten-halogen darkfield/brightfield illumination with sliding baffle
• Rheostat to vary darkfield/brightfield intensity
• Adjustable iris diaphragm to control width of light beam
• Two sample pools can separate the samples.