Features Enlarging the field of view: 0.7X stereo microscope auxiliary objective lens can effectively expand the field of view, the image is bright and clear, and the eyes are not easy to fatigue during observation Increase working distance: The magnification of stereo microscope objective lens is 0.7X, which can significantly increase the working distance, about 120mm, and the focal length is about 120mm Easy to install: the microscope objective lens is easy to install on the objective lens, just screw it on. The installation thread size is 48mm/1.9inch. 0.7X objective lens weighs about 74g/2.6oz, light and small Magnification of the original objective lens: The microscope objective lens is made of glass, with high transparency and flawlessness. It can be used to magnify the original objective lens. It is a very practical objective lens accessory. Aluminum alloy material: The auxiliary microscope objective lens shell is made of metal and aluminum alloy. The material is strong and thick, not easy to break, and can be used for a long time. Features: 0.7X stereo microscope assisted objective lens, effectively enlarged the field of view. Significantly increase working distance. The microscope objective lens is easy to attach on objective, just screw it on. This lens comes with a 1-7/8" (48mm) mounting thread. Double the magnification of original objectives, a very practical objective lens accessories. Specification: Material: Metal, Aluminum alloy, Glass Lens Model: KP-0.7X Weight: 74g/2.6oz Objective Lens Magnification: 0.7X Focal Length: 120mm Ocular Magnification: 1X Working Distance: 120mm Mounting Thread Size: 48mm/1.9inch Features: increase the magnification Package List: 1* 0.7X Auxiliary Objective Lens Package List