This series of fixed power stereo microscopes come with one pair of WF10X eyepiece, two pairs of stereo objective lenses(1x/3x or 2x/4x or 1x/2x) mounted in a rotating nosecone, sturdy all-metal pillar or track stand, and a versatile illumination system that provides both top and bottom illumination. The user can choose between top illumination shining down onto the object or bottom illumination through the frosted stage plate.