Research Background, Application and Prospect of Wide-angle Lens

Camera lenses can be divided into standard lenses, wide-angle lenses and fisheye lenses according to the focal length and angle of view.

1. Research background of wide-angle lens

Specifically, a wide-angle lens is a photographic lens between a standard lens and a fish-eye lens. Its focal length is shorter than that of a standard lens, but longer than that of a fish-eye lens; in addition, because the shorter the focal length, the larger the angle of view, which is larger than that of the standard lens, but smaller than a fisheye lens. Usually we call a lens with an angle of view between 70 ° and 120 °, a focal length between 13-20 mm, and a depth of field between 20 cm and infinity as a wide-angle lens.

Since the wide-angle camera has a larger angle of view and a deeper depth of field, it can provide a wider field of view for electronic devices such as cameras.

In addition, recent advances in mobile electronic devices have greatly increased the demand for compact and lightweight cameras with wide-angle imaging capabilities. Additionally, such cameras are essential for next-generation mobile devices, including drones and flying robots, to avoid obstacles and track objects efficiently. However, conventional wide-field cameras require a large number of bulky lenses to focus a panoramic scene onto a flat image sensor to reduce optical aberrations caused by strong mismatches (bending) between the focal planes.

Traditional wide angle non-fisheye lens is often composed of multiple lenses. For example, a typical wide-angle lens with a viewing angle of about 120 ° requires between 8 and 12 lenses, which makes these lenses very bulky.

2. The application and prospect of wide-angle lens

Recent advances in mobile electronics technology have greatly increased the demand for small, lightweight cameras with wide-angle imaging capabilities. Such cameras, for example, are critical for next-generation mobile devices, including drones and flying robots. In addition, the miniaturized wide-angle lens can also be mounted on miniaturized devices such as smartphones.

TeSoo Optoelectronic is now one of the major optical lens manufacturers, offering automotive camera lens, CCTV lenses, M12 lenses, distortion-free lenses, machine vision lenses, fisheye lenses, and more. With more than 400 workers, advanced high-precision equipment, Tesoo strictly implements ISO9001 and ISO/IATF16949 quality management system standards, and produces more than 10 million lenses each year with high quality and competitive prices. Welcome to consult.

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