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Bramping
363 (766)Bramping or Bulb Ramping is the shooting of a timelapse with the shutter speed getting shorter or longer to accomodate the changing light levels.
I was using the Triggertrap app and dongle for the iPhone for this video. This timelapse consisits of 350 seperate photographs. At the start of the timelapse the camera was set to a 1.7s exposure the final image was 1/15s. Unfortunately the camera took a couple of knocks and I was also shooting through a very grubby window which didn't help.
I can see many applications for this altough it will take a little practice for the settings, I had to adjust the aperture on the camera to prevent the sky blowing out on a couple of occasions, but for a first test, I'm quite happy.
Comments
Quote: Is this app unique to i phone only? i like this, wouldn't mind having a go at it myself. 
Hi Skibby, there is an android version available. Just do a search for Triggertrap. It is a great app but you also need a dongle.
Quote: Didn't know you could do it with an iPhone
Hi Conrad, I should clarify that the iPhone is connected to a camera via a dongle. The Triggertrap app then sends messages via the dongle to the camera
Quote: Presumably you can switch the telephone off whilst doing this as I assume it would otherwise vibrate and cause " camera " shake if somebody called / text messaged you ?
Good point Jeff, I'm not sure what would happen if you had a call, the best solution would therefore be to buy an iPad and use that 
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