Do you want to record everything while driving your car? It seems that you really need a dash cam or a dashboard camera. This is a small CCTV which is specifically designed for a car. You can record your journey using this camera and it is mounted on your dashboard. The latest dash cam is equipped with WDR technology. This is a special feature that you cannot find in some conventional cameras. We strongly suggested you to read the buyers’ guide for best dash cams, before buying a dash cam.
What is WDR technology of a dash cam? WDR stands for Wide Dynamic Range. The word “wide” refers to a camera contrast ratio, not the angle view. Thus, if a dash cam has this WDR feature, then it does not mean that the camera has a wide angle of view.
An ordinary dash cam usually has a contract ratio about 1:1000 or 60dB. A dashboard camera with this WDR feature has a contrast ratio about 1:1800 (65dB) up to 1:5600 (dB). As a result, the wider contrast ratio of dash cam, then the lighting intake will be more accurate and the detail will also increase.
This WDR technology feature on a dash cam can solve a problem when you are driving at night. In addition, this WDR technology can also improve the lighting quality of a certain object that is located in front of a very strong light so you can see the object clearly.
This WDR feature is also good to record parking area which is commonly dark so you can record everything despite the location is too dark. This WDR feature is also almost similar to a camera with backlight compensation feature but the WDR still has a better quality. There is also no washed-out light when you use this dash cam with WDR technology.
What about the price of this dash cam with WDR feature? Of course, a dash cam with WDR camera will be more expensive than the regular one. This feature is actually not only available on dash cam but some of the CCTV cameras also have this WDR feature. Moreover, this WDR technology also works quickly to create a natural image.
Nowadays, it is really easy to find some dash cam with this WDR feature. You can even buy this kind of dash cam online. This dash cam can also record a long video thanks to the Micro SD slot that supports hundreds of Gigabytes card memory.
Actually, this dash cam with WDR feature is not too effective when you drive in the daylight because the regular dash cam will also have a good quality image in this condition. But, the regular dash cam will be annoying when you drive at night. So, which one do you prefer anyway?
In summary, WDR technology of a dash cam is a feature that most of the car owners really want. But, this dash cam is quite expensive if we compare it to the regular one. If you really like driving at night and want to record everything, then this WDR dash cam must be a good choice for you.
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