DS-2CD2045FWD-I

2.8 mm for a 90° viewWith a wide field of view, the 2.8 mm lens is a popular choice for static camera surveillance. It can cover a wide area with just one camera.The 2.8 mm lens is very popular indoors. This is because you only need one camera mounted in a corner to monitor a whole room. Though, they’re also effective outdoors for areas like train station platforms.

4 mm for a 60° viewA 4 mm lens is useful for detection & identification.Although it has more clarity at a further distance, the 4 mm lens shows a similar scene to the 2.8 mm. The main difference is the reduced angle of view, which gives the illusion that objects are closer to the camera.This lens is often used in outdoor areas like car parks, where detail is important. It’s also helpful when you want a narrower view to avoid monitoring unnecessary areas – an aisle in supermarket, for example.

6 mm for a 45° telephoto viewThe 6 mm lens gives a narrow, but detailed distance view. A telephoto lens can also be used to monitor a specific object like tills.Customers often use this lens for monitoring the entrance to a car park, or a doorway. It’s also useful for a corridor, especially when combined with corridor format/view technology.

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