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Do these type of lights flicker? (LED Light strips)

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  • Do these type of lights flicker? (LED Light strips)

    http://www.amazon.com/HitLights-Flex...ords=led+strip


    I want to use these lights to light a scene, but I'm afraid they may flicker, how can you tell if it'll flicker or not?

  • #2
    Originally posted by Jesus View Post
    http://www.amazon.com/HitLights-Flex...ords=led+strip


    I want to use these lights to light a scene, but I'm afraid they may flicker, how can you tell if it'll flicker or not?
    For 8 bucks, you buy one and test it.

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    • #3
      Originally posted by Jesus View Post
      http://www.amazon.com/HitLights-Flex...ords=led+strip

      I want to use these lights to light a scene, but I'm afraid they may flicker, how can you tell if it'll flicker or not?
      No it does not, it is fed by DC voltage power supply.

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      • #4
        Originally posted by rawCAM35 View Post
        No it does not, it is fed by DC voltage power supply.
        That does not mean that it won't flicker. I run into LEDS that flicker all the time!
        -Michael Beck

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        • #5
          I've never used LEDs to light with so I have no idea from personal experience but the guy I use for lighting pretty much swears LED lights suck. For 8 dollars plus shipping though I have to agree it's worth the purchase just to check it out for yourself.

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          • #6
            Ive bought led christmas lights, they did not flicker on the house volts, but did through a Handymains in my car which was obviously not giving enough welly

            S

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            • #7
              Even though they are DC, LEDs are often powered using DC pulse width modulation, to get dimming and more output.

              This means they can and often do flicker.

              JB.

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              • #8
                Originally posted by mbeck View Post
                That does not mean that it won't flicker. I run into LEDS that flicker all the time!
                It will flicker if the DC voltage is not filtered right, a clean DC power supply is needed.

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                • #9
                  Originally posted by John Brawley View Post
                  Even though they are DC, LEDs are often powered using DC pulse width modulation, to get dimming and more output.

                  This means they can and often do flicker.

                  JB.
                  Yes if the the PWM frequency is not the same or multiples of the shutter speed, as HMI PWM power supplies.

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                  • #10
                    Originally posted by David View Post
                    I've never used LEDs to light with so I have no idea from personal experience but the guy I use for lighting pretty much swears LED lights suck. For 8 dollars plus shipping though I have to agree it's worth the purchase just to check it out for yourself.
                    Yes most LED lights suck and are not a full spectrum source of lighting, some use multiples of colored LEDs and some manufactured with a special phosphor layer under the lens to change the color temperature of the LED..

                    Check this
                    http://www.prgtrucolor.com/node/8
                    http://www.prgtrucolor.com/
                    LED lighting hype ?
                    http://johnbrawley.wordpress.com/201...ghting-hype-9/

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