111Preparation: Mounting the lens and Performing the Flange Back and White Shading AdjustmentsPreparation1 Raise the lens clamping lever and remove the mountcap.a. Lens clamping leverb. Mount cap2 To mount the lens, align the indentation at the top centerof the lens mount with the center mark of the lens.c. Mark3 Lower the lens clamping lever to clamp the lens.4 Secure the cable through the cable clamp, and plug itinto the LENS connector.d. LENS connector5 Adjust the lens flange back.¡Notesy Please refer to the lens instruction manual for guidance onlens handling.y When the lens is removed, install the mount cap to protectthe device.If images are not clearly focused at both telephoto and wide-angle positions during zoom operations, adjust the flangeback (distance from the lens mounting surface to the imageformation surface).Once adjusted, the flange back does not need to be re-adjusted as long as the same lens is mounted on thecamera.¡NotePlease also refer to the lens instruction manual for directionson adjustment and locations of individual lens parts.1 Mount the lens on the camera.Make sure you connect the lens cable.2 Set the lens iris to manual, and fully open the iris.3 Place the flange back adjustment chart about 3 m fromthe lens and adjust the lighting on the chart to obtain anappropriate video output level.If the video level is too high, use the filters or the shutter.4 Loosen the F.f (Flange focus) ring clamping screw.¡NoteF.b (Flange back) may be indicated on some lenses.5 Set the zoom ring to the telephoto position, eithermanually or by electric drive.6 Aim the lens at the flange back adjustment chart andturn the distance ring to bring the chart into focus.7 Set the zoom ring to the wide-angle position and turnthe F.f ring to bring the chart into focus.While focusing, take care not to move the distance ring.Mounting the lens and Performing the Flange Backand White Shading AdjustmentsMounting the LensabcdAdjusting the Lens Flange BackApproximately 3 m