How To Adjust Lens On Model #M7D77-POESA

How to adjust the lens if you want to very closer object, say 4 inches?

Step1: Open the glass cover:

Step2: Find the locks and slots nearby the black lens:

Step3: Release the lock and separate the black lens cover from the base, then unscrew the lens and turn the lens to adjust it.

Step4: View it on the monitor until you are happy with it,  and complete the adjustment procedure and cover the glass on the camera. The camera is ready to install.