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Security camera hard wired and DVR

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Discussion in 'General Electronics Discussion' started by mrel, Nov 28, 2018.

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  1. Nov 28, 2018 #1
    mrel

    mrel

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    Jul 2, 2008
    Hi
    Hard wired security camera which is better camera 1080P or 960H camera.

    When it come to DVR which is better dvr 1080N or 1080P dvr.

    Lot of DVR say can do PTZ (pan ,tilt zoom) how can hard wired stationary camera that Has No motor in the camera can do PTZ

    mrel
     
  2. Nov 28, 2018 #2
    Bluejets

    Bluejets

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    1,186
    Oct 5, 2014
    As far as I am aware, there is no tilt.
    Pan and zoom are taken care of within the camera hardware/software. i.e. no mechanical movement.
    Even then, it is rather restricted.
     
  3. Nov 28, 2018 #3
    davenn

    davenn Moderator

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    Sep 5, 2009
    the one that suits your resolution requirements


    again, as per your choice of requirements ... for that one there isn't going to be a lot of difference




    and most do have actual physical movement in PTZ as in the whole housing moves and or the camera moves inside the housing :)

    https://www.cctvcamerapros.com/PTZ-Security-Cameras-s/45.htm
     
  4. Nov 28, 2018 #4
    Tha fios agaibh

    Tha fios agaibh

    2,239
    749
    Aug 11, 2014
    Some cameras only zoom digitally which degrades the resolution but better models optically zoom as well as physically pan and tilt via micro servos.

    1080p is high quality hd, designed for dvrs which capture the entire picture content but a require large DVR hd to capture the video for very long.
    Idk how 960h compares but it is able to record longer because it only saves portions of the image that changes. Eg. Like a car driving across the edge of the screen.

    Both have their benefits and drawbacks.
     
    davenn likes this.
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