DISSECTING MICROSCOPE (ENTOMOLOGICAL) MODEL 9 (0110) Sensitive focusing by rack and pinion moving in dovetailed guides way. A joint revolving arm is provided for moving magnifying lenses all over the stage. It is easily replaceable by a special BULL EYE LENSE of 80mm diameter for increasing the field to vision. Sturdy removable hand rests and with replaceable black and white plate. Eye piece 10x and 20x with a special Bull eye lens BOmm diameter in beautiful carrying case. Qty :