Back Focus Adjustment; Adjustment Procedures - JVC KY-F560 Mode D'emploi

Back Focus Adjustment

When the lens is mounted for the first time, adjust back focus of the lens if the focus for telephoto/wide angle
during zoom is not aligned.
• Check whether the macro ring has been moved before adjustment. If so, restore the macro fixing knob
to the original position.
• Place the camera at a distance of 3 m or further away from the object.
The best will be to use the Siemens Star Chart as the object.
4., 6.
3.
RET
W T
2. 7., 8.,
Siemens Star Chart (Object)
Zoom Lens
5.
1.
Set iris mode switch of lens to M (manual).
2.
Set zoom mode switch to M (manual).
3.
Turn to open the iris ring.
Adjust illumination to obtain the proper image level.
4.
Turn the zoom lever to adjust lens to the greatest telephoto
M
position.
A
5.
Turn the focus ring and align focus on the object.
6.
Adjust lens to the widest angle position.
1.
7.
Loosen the fastening screw for the back focus ring.
8.
Focus on the same object and select a position for which focus
is best aligned, followed by fastening the back focus ring.
9.
Repeat steps 4. ~ 8. for about three times until focus is aligned
for both telephoto and wide angle.
10.
Tighten fastening screw for back focus ring securely.
Power Zoom Lens
10.
There is no manual mode for power zoom lens. Connect the
lens remote control.

Adjustment Procedures

To adjust, follow steps 3. ~ 10. above.
For more details, please refer to the instruction manual for the
lens or lens remote control.
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