From one extreme to the other   Some of my longest total exposure times in astrophotography exceed 60 hours!!  At the other end of the scale I also carry out high-speed photography using flash equipment that kicks out 9 microsecond long pulses of light – that’s a factor of 2.4 to ten to the power ten!!  Below is an image taken today of a light bulb shot by an air rifle pellet (the flashes are sound triggered to take this shot) and this is what happens during the 9 microsecond exposure period just 5 milliseconds after firing the rifle.

This entry was posted on Friday, July 3rd, 2009 at 6:22 pm and is filed under Projects. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.