Camera is a electrical device. camera is using for get pictures. it wase made by near 1660. there are few type of camera. some of plate camera , medium format camera , large format camera etc. Currently most famous camera is video camera. it is used by electronic motion pictures. it was developed by near 1930's. it is help for television broadcasting. but that technology increase day by day. one advantage of video camera , we can use video camera as
hidden camera and record for all of thing. it is big help for super market , home , etc. we can protect our home or our shop using hidden camera. it is good product for our security.