Monitor the camera when shooting white, is the kind of white, basically do not see the image, and exposure like
It is estimated that the camera's CMOS is broken, there may be the quality of the camera is not good, the screen resolution is poor. After buying a camera or suggest you buy Hikvision fluorite camera, the effect is good, the price is not very expensive.
The image is not adjusted, there may be two reasons, the first aperture is too large, the exposure is too high; the second brightness is too high, the best brightness, saturation, contrast recovery under the default.
Your camera should be the kind of fixed focus is not adjustable I can clearly tell you that your CCD chip problems Warranty bar as long as no burn is to free repair
