Focus prob with 5.5.0 firmware on vari-focus camera

Asterix

n3wb
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I have a vari-focus Hikvision DS-2CD2742FWD that I recently upgraded from 5.4.5 firmware to the latest 5.5.0 and ever since the focus goes blurry every night. It's not an IR lighting issue because I can manually go in of a night and reset the focus to be pin-sharp which is great until the daytime when it's blurry... at which point I have to go in and reset the focus again... and that is then fine until night!!

The release notes for 5.5.0 state; "The Auxiliary Focus and automatic focus after zooming performances are improved on 2 line camera," so I suspect that this has caused the problem.

Have emailed Hik support and maybe a new f/w is on the horizon (though they haven't said so) but I just wondered if anyone else with a vari-focus camera has had the same issue with 5.5.0?
 
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