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Have you noticed these factors when buying a car camera?

Have you noticed these factors when buying a car camera?

The structure of the car camera is composed of a casing, a lens, and a chip, the three are indispensable, but have you noticed these factors when you buying a car camera?

The outer casing determines whether the car camera is dedicated to the car and whether it is universal. There are thousands of car camera models on the market including special car cameras and universal cameras. The special car camera is often designed according to the model itself, and it fits perfectly with the car, making it non-porous and non-destructive. It is recommended that you choose a special designed car camera for your car, which not only ensures the beauty of the original car, but also the camera display more accurate.

Lens, in the car rear view camera industry generally have plastic lenses (plastic) and glass lenses (glass), and plastic lenses and glass lenses have significant differences, plastic lenses are very cheap, but the imaging effect is significantly inferior to glass. The raw material of the plastic lens is derived from plastic or resin, and the glass lens is derived from glass. The lens structure is: 1P, 2P, 1G1P, 1G2P, 2G2P, 4G, etc. The more lenses the camera has, the higher the cost will be, generally the glass lens is more expensive than the plastic ones. Nowadays, many small factories often reduce the number of lenses or use cheap plastic lenses in order to save costs and pursue high profits. The price is attractive, but the actual effect is unflattering. Therefore, it is recommended that when you buy a car camera, you can not blindly choose cheap camera with plastic lenses, your had better choose a camera with high quality glass lens.

Lens angle and imaging effect: The imaging angle of the camera determines the size of the visible imaging area. If camera angle is too small (the rear view lens) can not be photographed in many areas, resulting in visual blind spots. However, in general, the wide-angle lens has a distortion distortion phenomenon when the image is restored, and the visual effect is greatly discounted. With the development of technology, many brand manufacturers have now launched wide-angle lenses with image distortion correction. Therefore, in the purchase of the car camera, in addition to the choice of glass lens, consumer also need to consider the angle of the lens and the actual imaging effect.

Chips, general sensors in the car camera market can be divided into: CCD (charge coupled) and CMOS (metal oxide), the former has the advantages of good imaging level, high definition and color reproduction, mainly used for high-end digital cameras. The disadvantage of digital cameras is that the price is relatively expensive, the power consumption is relatively large, and the volume is relatively large. The CMOS sensor is just complementary to the former, the price is relatively cheap, the power consumption is small, and the chip size is small. With the rapid development of CMOS technology, CMOS images are getting better and better. At present, some high-end professional cameras also use CMOS sensors. Therefore, in the purchase of car cameras, no need to only focus on whether the camera uses a CCD image sensor, high-end CMOS camera can fully meet the requirements of the owner.

Waterproof performance: Due to the special working environment of the car camera, it is exposed to the wind and rain all the year round, so the overall waterproof performance of the camera is very high. Industrial parameter markings are generally indicated by “IPXX”, where “I” means dustproof and “P” means waterproof. The first “X” indicates the waterproof rating and the second “X” indicates the dust rating. The camera products that reach IP67 or above can basically meet the needs of the working environment. Of course, the higher the waterproof level, the more reliable it will be.

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