观察头倾角 45o 变倍比 1:7 目镜 wf10x/20mm 物镜 0.7x-4.5x 放大倍数 7x-45x 瞳距调节范围 55-75mm 工作距离 100mm 底座 配有压片和φ95mm玻璃台板和黑白工作板 立臂高 300mm 调焦行程 100mm 镜体孔径: φ76mm 底座尺寸: 200x255x22mm binocular&trinocular head angle of viewing 45o zoom ratio 1:6.7 eyepiece wf10x/22mm diopter adjustment eyepiece objective 0.67x-4.5x magnification 6.7x-45x interpupillary distance adjustment range 54-75mm working distance 105mm base with clip and φ95mm glass board and black &white working board vertical size 300mm focus distance 100mm drawtube size φ76mm base size 200x255x22mm