Features 1、Material: Microscope lenses are made of high quality materials that are durable and easy to use 2、Use Way: Mounted on the aperture of the converter, it consists of a set of lenses that can enlarge the object clearly 3、Thread Specification: C mount thread, for C mount digital cameras, suitable for 28 mm ‑32 mm microscope eye tube includes 30 mm, 30.5mm, you can increase diameter with tape 4、Purpose: Suitable for 10A 0.7x‑ 4.5x industrial microscope lens camera eyepiece lens 5、Wide Field of View: Viewing is more comfortable, the lens will not be corroded or blurred, and the service life is long Specification Item Type: Microscope Lens Material: Alloy Diameter of Lens Bottom: Approx. 28mm / 1.1in Package List 1 x Microscope Lens