Features: 1.The lenses feature multi-layer coating technology to enhance light transmission and prevent mold formation. 2.Foot-controlled focusing, three-step zoom, excellent depth of field and binocular fusion, meeting the requirements of cataract surgery. 3.Achromatic technology is adopted to bring light of different wavelengths to a nearly common focus after passing through the lens, providing the surgeon with a clearer field of view. 4.The entire unit weighs only 41 kg, making it compact and lightweight, ideal for mobile healthcare. 5.Optional desktop components are available for even greater portability. Customized configurations can also be provided to meet various surgical needs in ophthalmology, ENT, and other specialties. 6.Optional F250/F300/F400 objective lenses are available.