Considered the most flexible and widely used by professionals for commercial installations. Cameras Bullet. Bullet Camera is, as its name suggests in a spherical shell. Standard resolution camera may have 350-380 more than 400 TV lines is generally considered good resolution and is over 500 lines of HDTV.
B / W chip cameras produce greater resolution and sensitivity to light, so they can be used in areas where dark conditions bad in most cases.
On the other hand color cameras offer more realistic images and natural. Professional Grade CCTV cameras cameras. They have body, type the ability to integrate different types and sizes of lenses to use. Most cameras are waterproof sealed unit and not the ability to use different objectives.
As the number of TV lines, the better the resolution and overall image quality.Optional lenses enable this camera to monitor objects from virtually any distance. Although for indoor use, can be used outdoors when combined with weatherproof housing.
An important advantage of the ball the camera is compact and integrated design,Audio Bug, some still cameras unit infrared LED future built. simply LED light in the infrared spectrum (not shown) to the human eye.
The size of the CCD chip is normally 1 / 4 , 1 / 3 or 1 / 2 . The golden rule: The bigger, the better the quality of the image is created and the higher the price. However, higher density 1 / 4 and 1 / 3 CCD chips can now produce as good a picture as 1 / 3 or 1 / 2 chips. The number of lines in television picture camera surveillance is a measure of image resolution (sharpness).
タグ: Audio Bug, CCTV Cameras