Optical system of Sunny's SZ series zoom stereo microscopes is newly, fully coated optical system sharp and clear images with extremely good flatness and contrast. The images are brighter and more distinct even as the periphery of the field of view. With their large zoom range and long-working distance, these are ideal for high-magnification, high-resolution observation in biological research, precision-oriented semi-conductor and other industries.

Viewing head: 45° or 60° inclined, 360° rotatable binocular head or trinocular head. The inter-pupillary distance adjustable between 54-75mm; Both diopter adjustment of range±5mm.
Eyepiece: Wide field, high-eyepoint eyepiece, It can observe image of observation specimen with glasses
Objective: Zoom objective magnification 0.67X-4.5X.
Magnification range: Between 2X-225X
Working distance: 100mm, special maximum working distance can provide more working space for you
Illumination: Built-in illumination system and built-out illumination system
Optional accessories: There are many accessories to choose