Features 1、20X Objective: Designed to have 20X high magnification, the microscope objective lens will better magnify the item for easy observation. 2、Clear Imaging: This objective lens is coated with high transmittance film with high refractive index, which ensures brighter imaging. 3、Wider Utility: Can be used to observe the structure and composition of fibers, steel, ceramic for research, study, experience and so on. 4、Good Material: Adopting premium brass and aluminum alloy materials with chrome plated casing, very durable with corrosion and falling. 5、RMS Interface: Comes with standard RMS interface, the objective lens is highly compatible with most professional biological microscopes. Specification Item Type: Microscope Objective Lens Material: Brass, aluminum alloy. Use: Widely used. The threaded interface size is standard RMS size, and can be used on most professional biological microscopes. Specification: 20X Package List 1 x Microscope Objective Lens 1 x Storage Tube