167Adjust the camera angle by loosening the screw of the camera mount bracket whileviewing the video monitor.Be sure to loosen the screw of the camera mount bracket when the camera angleis adjusted. If the camera angle is changed when the screw is tight, excessive force isapplied to the camera mount bracket and camera, and accordingly they may be damaged.Be sure to tighten the screw securely after camera angle adjustment.8 Adjust the focus position.Loosen the flange-back lock screw and rotate the flange-back adjustment ring to adjust thefocus position while monitoring the video monitor. When completing the adjustment, tightenthis screw.Recommended tightening torque: 0.05 N·m {0.5 kgf·cm}Important:• When the screw is tightened stronger than the recommended tightening torque, it may stripthe thread or cause focus misalignment.Notes:• When using a fixed-focal lens featuring the focus adjustment, adjust the flange-back lengthafter setting the lens focus to the FAR end.• When using a vari-focal lens featuring the focus adjustment, refer to the operatinginstructions of the lens in use.How to use a vari-focal lensThe following are descriptions of how to use a 2x vari-focal lens. Method of adjustment may bedifferent depending on the lens in use. For further information, refer to the operating instructionsof the lens in use.A Loosen the zoom lock screw and slide it to the "T" end.B Rotate the focus ring to one step short of the "F" end.C Shoot an object which is located 10 m away or more, andadjust the back focal length of the camera.Important:• Make sure that it is possible to focus on an object which islocated approx. 1.2 m away by rotating the focus ring when thezoom lock screw is at the "W" end.D Slide the zoom lock screw to an appropriate position andtighten it.E Rotate the focus ring to bring the camera into focus.Important:• When changing the angular field of view, adjust focus bychanging the zoom lock screw position and rotating the focusring again.Zoom lock screwFocus ringWTNF2X TV LENS3.8~8mm 1:1.41124WTNF2X TV LENS3.8~8mm 1:1.445