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Easy Question about Variable Exposure Mode

Can someone please explain to me in easy terms what is Variable Exposure? I am using the LCR4500 GUI, and I see there are two types of pattern modes.

Also, while I am looking at the code in Qt... why is the pattern mode denoted as "SLMode" in the software.
What does SL stand for?

I just don't get it. Please help.

  • Hi William,

    In variable exposure mode, each pattern in your sequence can have a different exposure and period time. In the other pattern sequence mode all of the patterns will have the same exposure and period time.

    "SL" in "SLMode" is likely a reference to "Structured Light" which is an application that commonly uses the pattern sequence mode features that our platforms offer.

  • Thanks,

    So in other words...
    Pattern A for 1 second and 100% LED current
    Pattern B for 2 seconds and 50% LED current ???

    Why is this useful? Can you provide an example?
    Is a pattern the same thing as an individual image uploaded to the internal memory?