Feature: 1. Corrosion Resistance: The objective lens is made of brass and aluminium alloy, fine workmanship, corrosion and drop resistance, exquisite and durable, the shell is chrome plated with accurate material. 2. Multiple Uses: The objective lens can be used to study and observe the crystal structure and morphology of materials and compounds, which helps in the study of chemistry and physics. Can be used to study the behaviour and reactions of living organisms in different environments, such as the movement of cells and changes in the morphology of membranes, etc. Can also detect the structure and defects of materials, which helps in the field of materials science and engineering. Can also observe the structure and composition of natural and artificial fibres, steel, ceramics and other substances, which helps in quality inspection and improvement in manufacturing. 3. High Refractive Index: The objective lens has a high transmission coating and a high refractive index for brighter imaging. 4. High Adaptability: The objective len's thread interface is of international standard RMS size and can be used by most professional biological microscopes on the market. 5. Small and Lightweight: The objective lens is small and light enough to be carried around in a storage tube without taking up too much space. Specification: Item Type: Objective Lens Material: Brass and Aluminium alloy Use: Widely Used: The threaded interface size is international standard RMS size, most professional biological microscopes on the market can be used Basic Parameters: Specification: 10X. Package List: 1 x Objective Lens1 x Storage Tube