... CCD Type . These cameras use solid state CCD chips to convert light into video signals, and are suitable for brightfield, phase contrast and DIC applications. ... These cameras use solid state CCD chips and the ability to adjust the exposure times of the chip to make images at lower light levels than standard CCDs. ... Intensified CCD Camera Type: These cameras consist of a vacuum tube called an "image intensifier", which multiplies the incoming signal, and a camera for read-out. ...