A zoom lens is a photographic imaging lens that can continuously change focal length. Its core function is, through the relative position movement of the lens groups inside the lens, to achieve continuous and smooth changes in focal length while maintaining clear focus, thereby flexibly adjusting the framing range and magnification of the picture without changing the shooting position. Yongxin Optics' zoom lens products cover a full series of zoom ratios from 3x to 100x, adapt to a full series of image sensors such as full-frame, APS-C, and 1/2.3 inch, and feature high resolution, low distortion, smooth zooming and fast focusing.
Photography and videography, security surveillance, sports events, wildlife photography
The focal length can be continuously changed while maintaining clear focus; it is divided into categories such as wide-angle zoom, standard zoom, telephoto zoom, and security zoom, adjusting the focal length by changing the spatial spacing of the lens group; high-end cinema-grade zoom lenses can maintain highly consistent imaging quality across the full focal length range, and civil/commercial zoom lenses can maintain stable imaging performance across the full focal range with small residual aberration; prime lenses can achieve a fixed pupil position, while the pupil position of zoom lenses changes with focal length to achieve a stable adaptation design.
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Ningbo Yongxin Optics Co., Ltd. (stock code: 603297) focuses on R&D and manufacturing of optical instruments and core optical components. Products include optical components and assemblies, microscopes, car lenses, barcode scanners, wireless interactive classrooms, etc. The company is a core supplier of Leica, Zeiss, and Zebra, with two factories in Ningbo and Nanjing covering over 120,000 square meters. Annual output exceeds 20 million optical components and 100,000 microscopes. It is a national-level 'Single Champion Demonstration Enterprise', leads and participates in multiple international, national, and industry standards, holds over 100 patents, and has won national and provincial science and technology awards. Products are widely used in life sciences, industrial inspection, education, and other fields.