SZT-45B1 stereo microscope Viewing head :45 inclined,360 rotatable binocular head The inter-pupillary distance adjustable between 54-75mm,both diopter adjusment of range 5mm Eyepiece: Wide field,high-eyepoint eyepiece,it can observe image of obsrvation specimen with glasses. Objective:Zoom objective magnification 0.70X-4.5X Magnification range :between 3.5X-180X Working distrance :100mm,special maximum working distance can provide more working space for you Illumination: No Accessories: There are many accessories to choose 42X35X52cm,10kg