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ak357

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Posts posted by ak357

  10. Posted

    i understand that...a dn I thought someone would pull me up, what i am saying is that due to the small aperture and lens that they tend to overcompensate...knowing that they will not get as much light, i could have said that the pixels are rounded so that light falls more evenly on each pixel rather than square pixels so that less gaps of light are on the chip or even said that they use a magnifying type glass to accentuate it... btu I thought it just sounded better this way...In truth you are right and I am wrong my bad, but ai was not meaning like a aspherical lens, moreover that the ccd make up allows more light to be captured and therefore they are succeptable to overshoot

     

    no problem

  11. Posted

    Pin hole lenses are usually wide angle, so they spread a lot of light onto the CCD chip, white is obviously the highest heat signature, it is unlikely that this is the reason becasue the eye of the pinhole is so small I was hoping more for a refelctive surface, like a metal polished bench and a down light..I would say it is likely that the camera is just not good quality, is it a CMOS or CCD chip?

     

    Pin hole lenses do not spread lots of light onto CCD chip

    That why Pinhole cameras require much longer exposure times than conventional cameras because of the small aperture;

  18. Posted

    I did it once using Telescope and color board camera

    ask mechanical shop to make adapter

    remove first lens on telescope and remove board lens from camera

    then it's easy to figure out

    hope its helps

     

    good luck

    I was able to read license plate abot 700m away

    tel.jpg.2ea596543fee38206bde60526845ced7.jpg

  21. Posted

    Or you can use Voice Alert (http://www.voicealert.com/)

     

    6-Zone Monitoring Capability

    Customized Voice-Recordable Alerts

    All Weather, Wireless PIR Sensor Transmitters

    Multiple Beam Patterns for Optimal Detection

    Adjustable Mounting, Beam Sensitivity, and Delay Timer

    4 "C" Relays to Trigger Additional Devices

     

    When a zone is breached, a signal is sent up to 1000 ft (300 ft through walls) to the remote Base Unit which plays one of six user voice-recorded messages identifying the zone.

     

    Works nice with PTZ

     

    Voice Alert motion--->base unit trigger out-->DVR--->PTZ

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