Features More Brighter and Clearer Images: Objective lens coating brings high transmission rate, high refractive index, the image is brighter and clearer. Bring More Comfortable Viewing: The wide viewing range of microfilms brings more comfortable viewing, the lens is clear, it will not be dazzling, and the service life is long. Multi -purpose: You can use this target lens on the stereo microscope. Objective len is helpful in research, work or research, useful and practical. Aluminum Alloy + Optical Glass Materials: Micro -oil -proof mirror is made of aluminum alloy + optical glass. With good craftsmanship, you can use confidently. M48 Interface Dameter: 0.7x Micro -lens adopts standard M48 interface, which can be used with stereo microscope with the same diameter. Specification: Item Type: Auxiliary Objective Lens Model: 0.7X Material: Aluminum alloy + optical glass Use: Microscope accessories Working Multiple: 0.7X Working Distance: Approx. 120mm / 4.72in Interface: M48 Optical Coating: FMC non reflection Package List: 1 x Auxiliary Objective Lens Package List 1 x Auxiliary Objective Lens