Panasonic HPX300 Operating Instructions - Page 90

Chapter 5 Preparation Adjusting the Lens Flange Back 7 Set the zoom ring to the wide-angle position If images are not clearly focused at both telephoto and wide-angle positions during zoom operations, adjust the and turn the F.f (flange focus) ring to adjust focus. flange back (distance from the lens mounting surface to the • Do not move the distance ring during focusing. image formation surface). Once adjusted, the flange back does not need to be re-adjusted as long as the same lens is mounted on the camera. 8 Repeat Steps 5 to 7 until the lens is in focus at both the telephoto and wide-angle positions.  NOTE Please also refer to the lens instruction manual for directions on adjustment and locations of individual lens parts. 9 Firmly tighten the F.f ring clamping screw. 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. Approximately 3 m 3 Place the flange back adjustment chart about 3 m from the lens and adjust the lighting on the chart to obtain an appropriate 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.  NOTE F.b (Flange back) may be indicated on some lenses. 5 Set the zoom ring to the telephoto position, either manually or by electric drive. 6 Shoot the flange back adjustment chart and turn the distance ring to adjust focus. 90