JVC KY-D29 - Adjustments before Shooting; Back Focus Adjustment of a Lens

3. BASIC SYSTEM CONNECTIONS AND ADJUSTMENTS
3-4 ADJUSTMENTS BEFORE SHOOTING
BACK FOCUS ADJUSTMENT OF A LENS
7. 8.10.
It is only necessary to perform this when focusing is not correct in
both the Telephoto and Wide-angle positions, such as when the
lens is attached for the first time.
Adjust the viewfinder for sharpness first.
It is easier to adjust back focus when the subject is more than
3 meters from the camera.
Set the Iris mode SWITCH to M. (Manual)
yo =
Set the Zoom mode KNOB to M. (Manual)
&
Open the Iris ring.
Adjust the illumination to obtain an optimum video level.
&
Turn the zoom lever until the lens is completely in telephoto.
o
Focus on the subject.
2
Set the lens to completely Wide-Angle.
N
Loosen the back focus ring retaining knob.
&
Adjust the back focus ring for the best possible focus.
{9
Repeat steps 4 through 8 for fine adjustment.
10. Tighten the back focus ring retaining knob to secure the ring.
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