KT&C KPC-WDR7000NU - Manual (Page 41)

5. INSTALLATION
5. Please insert the connection plug that is connected to the auto iris lens
cable into the auto lens connector, which is located on the side of the camera
11
C-mount lens : 10mm or less
CS-mount lens : 5mm or less
* NOTE
Use the lens under the specification as shown. Otherwise
the lens can damage the camera or abnormal fixing may result.