Feature:1. Infinite Lens: The infinite objective is a parallel optical way without included angle, and can correct for spherical and sunken errors. The resulting image is clearer and sharper, with a wider field of view than ordinary achromatic lenses.2. RMS Interface: Comes with standard 20.2mm RMS interface, the objective lens is highly compatible with most professional biological microscopes.3. Exquisite Crafting: The entire set is designed with exquisite craftsmanship. This objective lens has been coated and has a high transmittance and refractive index, making the image brighter and clearer than other objectives.4. Wide Field of View: More comfortable to watch, the lenses will not be injured or bloom, and the service life is long.5. Good Material: Adopting premium brass and stainless steel materials, the infinite objective lens is very durable with corrosion and falling.Specification:Item Type: Infinite 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: 100X.Package List:1 xInfinite Objective Lens1 x Storage Tube