... 4. OEM 5. Used in veterinary, education, lab, hospital Multi-function Biological Microscope XSZ-PW158 Specification: Binocular Head: 0 to 40 ... Objective: 4X, 10X, 20X, 40X(s), 100X(s, oil) Nosepiece: Quindruple click-stop, revolving mechanism with ball-bearing Stage ... . 5A) fuse --- 2pcs; Blue ground glass filter --- 1pc; Immersion Oil --- 1 bottle; Dust cover --- 1pc; Instruction Manual in English --- ...