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  1. bob bear

    DS-7616NI-I2-16P versions

    Hi, Please excuse me if this has been answered before, I searched for it but couldn't find anything. I'm looking for a 16 channel Hikvision NVR. I notice that the DS-7616NI-I2-16P comes in two versions, one with POE capability (-16P suffix) and 16 POE ports on the rear and one without POE...
  2. bob bear

    Hikvision bullet M12 lens focussing

    I have about a couple of dozen Hikvision fixed-focus bullet cameras in service, mainly DS-2CD2032s and DS-2CD2042s and generally speaking they offer great performance for the money, but occasionally I get one that is not focussed too well and in the past I've opened them up, removed the blob of...