1、10X Objective: Designed to have 10X high magnification, the achromatic 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、Spring Design: Spring protection device can auto rebounding when contacting the cover glass, protecting the lens from damaging the slide. 4、Good Material: Adopting premium brass and stainless steel 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. Item Type: Achromatic Objective Lens Material: Brass, stainless steel Use: Widely used, the threaded interface size is standard RMS size, and can be used on most professional biological microscopes. Specification: 10X 1 x Achromatic Objective Lens 1 x Storage Tube