XSP-01/02 500X/640X Student Biology microscope : 1) Achromatic objectives: 4x, 10x, 40x ... : 10x,12.5X/16X XSP-01/02 500X/640X Student Biology microscope: 1. Achromatic Objectives: 4x,10x,40x, ... room:Meeting room: XSP-01/02 500X/640X Student Biology microscope Verified Information This information is Verified by ... Model 18,000,000 Sets Per Year Microscope 23,000,000 Sets Education Instrument 45,000,000 ...