Back Focal Length Adjustment - Fujitsu CG-641 Series Operation Manual

Back Focal Length Adjustment

The factory settings include back focus adjustment for a CS mount lens. However, adjustment
may be required depending on the lens used. Use the back focus adjustment function to do this.
Adhere to the following adjustment procedure.
Operating procedure
1. Push the function settings switch up. (Jump function). The "LENS SETUP" screen is
displayed (Figure 4-1). Move the cursor to "BACK FOCUS ADJ." and press the switch.
When this screen is displayed, the lens is open.
The back focus adjustment screen can also be reached from the "MAIN MENU-LENS
SETUP" screen using the "Setting Operation" procedure.
2. Loosen the back focus lock screw using the ALLEN WRENCH. Adjust the lens mounting to
fix the focus. Secure the lens mount with back focus lock screw.
3. Press the function settings switch to end the back focus adjustment.
ALLEN WRENCH
50mm
Note)
Use the included ALLEN WRENCH for adjustment. Insert the long end of ALLEN WRENCH into
the adjustment hole of the camera.
Rotate it in a clockwise approximately 15 degrees to fasten the lens mount.
If the back focus lock screw is too tight, the threads of the lens mount may be damaged.
When using a zoom lens:
1. Objects further than 25 meters (70 feet) can be captured.
2. Set the focus to FAR.
3. Set the zoom to wide angle.
4. Complete the above procedures 1-3.
5. Set the zoom to telephoto.
6. Adjust the focus.
10mm
Camera
Figure 4
LENS SETUP
BACK FOCUS ADJ.
LENS ADJUSTMENT
RETURN END
Figure 4-1
En-8