Bosch LTC 0938/25C Autodome focus problem - need advice?
I have a number of Bosch Autodome LTC 0938/25C pendant outdoor CCTV cameras. It is designed to be focused via an electronic remote console "focus" rocker switch.
One of the cameras will not focus completely with this control. I can see it trying to focus, both in and out, but it is never able to completely focus correctly.
I have seen this problem with other similar camera installations at other facilities, so it is not a "one of a kind" problem.
In older camera installations, this problem can be fixed with a "back focus" adjustment - a calibration of the physical distance between the front of the imaging CCD chip and the back of the camera lens.
In conversation with Bosch, they claim that such an adjustment is not possible.
How might I adjust/repair such a focus problem?
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