Feature 1High Refractive Index: The lens of achromatic objective lens is made of high transmission coating, optical lens, high refractive index, brighter imaging. 2Standard RMS Size: 60X achromatic objective lens thread interface size is international standard RMS size, most professional biological microscopes can be used. 3Biological Application: Microscope achromatic objectives can be used to study the behavior of organisms in different environments, such as the movement of cells, morphological changes of membranes, etc. 4Brass and Aluminum Alloy: Microscope achromatic objective lens is made of brass and aluminum alloy, fine workmanship, anti corrosion and anti drop, exquisite and durable, chrome plated shell. 5Chemical and Physical Use: Microscope achromatic objectives can be used to study and observe the structure and morphology of materials and compounds, which helps to study chemistry and physics. 6Manufacturing and Materials Science Usage: Microscope achromatic objective lens can detect the structure of materials and help research in the field of materials science and engineering. It can observe the structure and composition of fibers, steel, ceramics and other substances, which helps manufacturing industry to detect and improve. Item Type: 185 Objective Lens Material: Brass, stainless steel, optical glass Use: Widely used, threaded interface size for the international standard RMS size, most of the professional biological microscopes on the market can be used Specification: 60X Package List 1 x Achromatic Objective Lens1 x Storage Canister