Luckyzoom Stereo Zoom Microscope Focus Adjustment Arm Microscope Head Holder Ring to Stand Post (Arbor) Microscope Accessories

Theory: Stereo Microscope
Brand Name: LUCKY ZOOM
Magnification Ratio: 500X & Under
Model Number: Microscope holder
Material: Metal
Drawtube: microscope focus arm
Microscope Accessory Item: Microscope Head Holder Focus Arm
Microscope Led Material: Painted Metal
Diameter of Annular Ring: 3" (76mm)
Diameter of Opening for the Stand: 30MM - 63MM
Magnification Ratio: 1X