On the market now, you can find that there are mainly the following styles of CCTV cameras: bullet cameras, dome cameras, box cameras, PTZ cameras, mini cameras. So you may wonder how to fix them and get the image we want.
The bullet CCTV camera usually can reach to the IP66 weatherproof standard. They are usually used for outdoor. Many people fix them on the wall and the concer and usually at the top side. At this position, people usually can get good image.
The dome cameras usuallu fixed on the roof and at the corner. And the PTZ dome cameras usually on the wall and hang under the roof.
But one problem is that if a camera fixed in a room it will be not a good idea to make it face to door or window. Although all the most the cameras have the function of BLC and WDR, the function is not very ideal, You may can not see perple’s face clearly under this condition.
Some camera adopt the varifocal lens, uaing this kind camera you will be easy to adjust the angle of image you need. But most of the camera use the fixed lens. So you can not adjust the lens. Under this condiciton you have to adjust the distance between the camera and the viewing angle acoedingly.
没有评论:
发表评论