Thursday, December 8, 2011

How can I get exposure times shorter than a second with an intervalometer?

Question

I am learning to do timelapses and I have a "Shoot" brand intervalometer. The shortest exposure setting I can do on the intervalometer is 1 second. If the exposure setting on my camera is set to something shorter/quicker than 1 second what should I set the intervalometer exposure to or is this even possible to do?

I was trying to do a timelapse outside in daylight with an exposure set at 1/320 but like I said my intervalometer will only do 1 second, nothing shorter.

Answer

I suspect you might be misunderstanding how an intervalometer works. My suspicion is that the 1 second minimum is the duration between exposures and not the shutter speed. For your example if you'd like a shutter speed of 1/320th of a second, configure that on your camera, and then configure the intervalometer to trigger the shutter however often you like. With a minimum time of one second, in a minute you'd end up with 60 images each created with a shutter speed of 1/320th of a second.

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