WF30X 8mm Zoom Adjustable High Eyepoint Eyepiece Optical Lens for Lab Stereo Biological Microscope with Mounting Size 30m
1.Brand New and Hight Quality
2. Magnification: WF30x
3. Adjustable Eyepiece Lens 
4. Mounting Size 30mm
5. Field of View: 8mm
6. Biological Microscope Accessory