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The quality of optical glass lenses has the following requirements.Ⅰ. The specific optical constants of optical lenses and the consistency of the optical constants of the same batch of glassEach type...

The industrial lens is a relatively precise product. The lens is manufactured by coating technology, and its appearance is very delicate. If it is used for a long time, it needs to be cleaned regularl...

Ⅰ. The structure principle of fisheye lensA fisheye lens is an extreme wide-angle lens, also known as a panoramic lens. It is generally considered that a lens with a viewing angle greater than 180° ...

In 2020, the global car camera shipments reached 165 million, the number of single-car equipped with a camera to 2.1.

A fisheye lens is a type of wide-angle lens that has a very strong perspective and can distort straight lines into curves.

A wide-angle lens is also known as a short lens. A wide-angle lens is a focal length shorter than the standard lens, perspective greater than the standard lens, a focal length longer than the fisheye lens, perspective smaller than the fisheye lens photographic lens wide-angle lens.

The lens is an extremely important part of the CCTV system, usually seen as the camera CCD optical coupling into the imaging device inseparable from the right hand.