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Type: Posts; User: Tetragnathid

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  1. Accessories Re: Celltech/Travor RF550D Macro LED Ring Flash

    I've been communicating with the manufacturer about the duration of the flash. They've been very cooperative about conducting the email exchange. Though there may have been some language...
  2. Accessories Re: Celltech/Travor RF550D Macro LED Ring Flash

    So after I slept on it I took another high-speed video, this one with an LCD stopwatch and the flash in the frame. That way I can time the flash directly from the images rather than relying on...
  3. Accessories Re: Celltech/Travor RF550D Macro LED Ring Flash

    Of course you always catch errors after you do the post (and often when you're just climbing into bed). The manual claims a flash duration of 1/100 second, but I think I got seduced by that and made...
  4. Accessories Celltech/Travor RF550D Macro LED Ring Flash

    I think I'll find it useful for macros under limited conditions, where the brief duration of a strobe flash isn't required to stop motion. As you'll see, I'm puzzled by some aspects of its behavior....
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