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There are five specific points, respectively, are the shell, lens, lens angle and imaging effect, chip, waterproof performance, the following we analyze for you to introduce.
Decide whether the vehicle camera is dedicated to the car, whether it is universal. Car camera products style many models, there are special car and general-purpose.
Car-specific vehicle camera is often based on the design of the car itself, completely fit the body, so that no hole installation, non-destructive installation.
In the car rear view camera industry generally have plastic lens and glass lens, and plastic lens and glass lens has a significant difference, plastic lens is cheap, but the imaging effect is significantly inferior to glass. The raw material of plastic lens is from plastic or resin, and glass lens is from glass.RECODA camera generally use glass lens.
The size of the imaging angle of the car camera determines the size of the visible imaging area. Car camera angle is too small behind the car many areas can not be captured, resulting in visual blind spot.
General wide-angle lens in the restoration of the image distortion distortion phenomenon, the visual effect is greatly reduced. Therefore, in the purchase of car camera lens, in addition to the choice of glass lens, but also, to consider the lens shooting angle and the actual imaging effect.
The market is divided into light-sensitive chip: CCD (charge-coupled) and CMOS (metal oxide), CCD sensor production technology started earlier, the technology is relatively mature, using PN combined with silicon dioxide isolation layer isolation noise, CMOS sensor started later.
CCD and CMOS two kinds of sensors in the "internal structure" and "external structure" are different.
Due to the special nature of the working environment of the car camera, often exposed, the overall waterproof performance of the car camera requirements are very high. Industrial parameters are generally marked with "IPXX".
IP68 is the highest level of dustproof and waterproof specifications, IP68 grade equipment represents the ability to completely prevent the dust from entering, and under a certain pressure, can be submerged in water for a long time, without damaging the equipment. IP67 means that it can completely prevent the dust from entering, and can be submerged in water for a short time under a certain pressure.
