Feature 110X Objective: Designed to have 10X high magnification, the achromatic objective lens will better magnify the item for easy observation. 2Clear Imaging: This objective lens is coated with high transmittance film with high refractive index, which ensures brighter imaging. 3Spring Design: Spring protection device can auto rebounding when contacting the cover glass, protecting the lens from damaging the slide. 4Good Material: Adopting premium brass and stainless steel materials with chrome plated casing, very durable with corrosion and falling. 5RMS Interface: Comes with standard RMS interface, the objective lens is highly compatible with most professional biological microscopes.Item Type: Achromatic Objective LensMaterial: Brass, stainless steelUse: Widely used, the threaded interface size is standard RMS size, and can be used on most professional biological microscopes. Specification: 10X .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Achromatic Objective Lens1 x Storage Tube