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3. Adjusting the lens
2
Adjustment hole
Image 3-2
A wrong back focal length adjustment will not allow optimal focus throughout the full zoom range.
Necessary tools
•
BFL adjustment tool
•
Allan key 2.5 mm (hexagonal key)
How to adjust ?
1. Loosen the 4 screws along the outline of the lens (top, bottom, left, right)
Tip:
Only loosen these screws a bit. Just enough to allow the lens to be shifted forward and backward.
Image 3-3
Back focal length:
fi
xation screws
Note:
The fourth screw is located underneath the lens
2. Put the BFL tool in the adjustment hole
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R59770110 QSD LENSES 03/11/2008