Sending the trigger signal alone would not work on these cameras. However, the AF signal is not entirely removed from the triggering sequence because some cameras, especially the mirrorless ones, need to receive an AF signal before taking a picture. This is precisely what the LRTimelapse Pro Timer 2.5 does. Therefore, by shortening the AF signal to the minimum, the photographer can focus on other aspects. This wasted AF signal time could be used instead to preview the image exposure, adjust the settings between two shots, or program a shorter interval. Why is this so important? Because in certain conditions, each second is critical when shooting a time-lapse and wasting precious time with an unnecessary step delays the entire operation. But the first AF signal is not useful for time-lapse capture. First, an auto-focus signal, then the proper triggering signal. This last point is critical because basic intervalometers tend to send a two signals to the camera. But most importantly, unnecessary signal delay sent to the camera.Unfortunately, most of these devices are not really designed for time-lapse work and suffer from numerous issues such as: This statement may sound strange since internet is flooded with cheap options for intervalometer and shutter release. This time, the German engineer addressed another long time issue in the time-lapse community: the lack of proper intervalometer specifically designed for the most demanding conditions. Serious time-lapse photographers probably know Gunther Wegner, the creator of the LRTimelapse software that allows to post-process and remove flickering in day to night and night to day sequence (also called the holy grail).
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