TPB #45 – Automated Finish Line Photos using the Camera Axe

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In this week’s video I talk about using a motion/distance sensor with the Camera Axe to automatically take photos of people running a race. The sensor will detect a person running past and then trigger the camera. In this video I go over the Camera Axe setting, camera Settings, and then do an example run (pun intended).

I found this use of the motion sensor to work very well. I expect it would ...

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TPB #44 – High Speed LED Flashes

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This week’s video is about very high speed flashes and whether LED based flashes are practical at these speeds. The dominant flash in this space is the air-gap flash with it’s half microsecond flash duration it is about 100 times faster than a typical speedlite flash from Canon or Nikon. I do some calculations that try to figure out how many LEDs you would need, what kind of current you’d need to driver ...

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