Viewing tube:Binocular head ,inclined at 45º,Diopter adjustment eyepiece EW10X/Ø20,objective:zoom objective 1X~4.5X.zoom Ratio 1:4.5,working distance:97mm,illumination:LED Reflection illumination,LED transmission illumination, you want to know more,you can refer to my nbkele dot net.
stereo microscope NSZ-405