Adjusting The Flange Back Focus; Fixed Lens; Zoom Lens - Honeywell HCC484TP User Manual

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Adjusting the Flange Back Focus

Fixed Lens

1.
Loosen the setscrew and set the lens focus ring to infinity (∞).
2.
Turn the back focus adjustment ring until you see a clear
image (the distance from the camera to the object is more than
23 m).
3.
Tighten the setscrew.

Zoom Lens

1.
Loosen the setscrew and set the lens to the maximum
telephoto position.
2.
Turn the back focus adjustment ring to adjust the focus.
3.
Auto iris lens: Aim the camera at a comparatively dark object or
reduce the ambient light so that the iris is fully open.
4.
Set the lens to its maximum wide angle position, then set the
focus.
5.
Repeat steps 2, 3 and 4 until the difference between the
focusing positions is as small as possible.
6.
Tighten the setscrew when the best focusing point is found.
Figure 4
Rev 1.01
Flange Back Focus
Back focus adjustment
ring
5
Setscrew
900.0512
07/06

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