Angle of view
To have good photography and quality images, a good adjustment of the angle of view is necessary. The surveillance camera or the spy camera must be placed in such a way as to have an excellent visual field.
Definition of the Angle of View
When the lens of a camera or HD spy camera fixes a point, it is created around what is called the field of view or the visual field. This corresponds to the area of space perceived in the viewfinder. It is also called "angle of view" which gives several shots (wide plane, medium plane, close-up). A map is defined by the proportion between the focal distance of the lens and the size of the surveillance camera or spy camera detector.
Angle of view and necessity
In terms of safety and prevention, the provision of the surveillance camera or alarm camera, such as the spy fire detector is important. there spy camera must have an excellent visual field. This is also true for gadgets such as camera bezel.
Angle of view and setting
Photography professionals know that the greater the focal distance of the lens, the closer to 100 mm, the greater the angle of view of the camera or mini spy camera is tight. So you'll have a close-up image. But for surveillance cameras, medium or wide shots are recommended to have a larger visual field and record more details. The lens focal length will be set to about 2.5 mm. This is also the case for a camera spy wall clock.
