Feature: 1. [3.5X‑45X] 3.5X to 45X continuous zoom ratio, 30mm ultra wide field of view WF10X eyepiece, 20mm field of view, to meet your various need. Specification: Item Type: Zoom Trinocular Microscope Head Package List: 1 x Microscope Head 2 x Eyepiece 1 x 0.5X Object Lens 1 x 1X Object Lens 2 x Rubber Eye Mask 1 x Hex Wrench 1 x Dustproof Bag Note: This product is an optical instrument, please do not place the product in an environment that is too corrosive, humid and high temperature |