Features: 1.0.7X : Supplied with 0.7X auxiliary objective lens for increased working distance and magnification. Increased working distance is 120mm/4.7in. 2.Metal Body: The main body of the stereo microscope objective lens is made of aluminum alloy, with a full metal body, exquisite workmanship and premium appearance. 3.Easy To Use: Microscope objective lens adopts 35mm/1.4in diameter lens, threaded aperture is 48mm/1.9in, easy to install and use. 4.HD Optical Lens: Advanced FMC coating technology and reliable quality optical glass, high refractive index, high light transmission, clearer imaging. 5.High Definition Field Of View: 0.7X microscope objective lens, providing clear magnification effect, allowing you to observe more easily. specification:Item Type: Stereo Microscope Objective Lens Material: Glass, Metal PackageList:1 x Stereo Microscope Objective Lens