A23.1609 
    Parallel Zoom Stereo Microscope, characterized by Galileo optical system. 
    Magnification range of zoom body is 0.8x-5.0x, magnification from high 
    to low non-flash in focusing course, large depth of field, long working distance, 
    has many kinds of attachments. It can be satisfied the demands of checking-up 
    and analysis in modern biology, medicine, environment, farming, police, micro-electronics, 
    semiconductors etc..
    
    Features 
    --Parallel zoom optical system 0.8x-5.0x, working distance 91mm. 
    --Zoom magnification 8x-50x(standard), extend total magnification: 2x-225x
    --Plan distortion-free objective 1x 
    --High eye point and wide field eyepiece SWH10X(Φ23mm)
    --Binocular/ Trinocular head inclined 45°, rotatable 360°, diopter adjustable 
    ±6 
    --Head interpupillary distance of head adjustable from 50mm to 76mm