salvatore.mele 1 Posted April 17, 2005 I was amazed by the technical aspect and the composition of the chalk shot, and I then come to discover this other shot which tops it up with a score of possible hidden messages... As for the aesthetic part, I like the clarity with which we see the bullet here, and the cone of back-scattering soap debris around the entry point, which seems to give even strongly the time evolution of the collapse of the soap bar. Incidentally, which is the duration of the strobe? I know I could get a clue from the bullet blur, and stopping power of the soap, but I'm feeling lazy today... Link to comment
om-images 0 Posted April 18, 2005 I like the overhead lighting.. as it means that the ridge caused by the bullet catches the light.. very clever.. I wonder how many soap bars you went through? Link to comment
lieb 0 Posted April 18, 2005 thanks everyone - to answer, given the bullet speed at roughly the speed of sound [330 m/s], and it remaining in focus, the duration needs to be less than 1/50,000 sec. In this case, it is 1/100,000 of a sec. Hard to find these flashes nowadays! Went through about four different shots to get this one, but having the right trigger placed the bullet right where it was wanted.. -jeff Link to comment
jurgen_konig 0 Posted April 19, 2005 Brilliant! Just had a look at your other photos on your website and they're all amazing. Would love to have access to a strobe/trigger mechanism like that! Keep up the great work! Link to comment
jeremy_smith 0 Posted April 19, 2005 This is astounding. I'm interested-- assuming this is from a digital, what sort of iso-equivalent setting are you using to expose this for only 1/100,000th second? The image doesn't appear grainy at all, nor underexposed. Fascinating to look at. Link to comment
lieb 0 Posted April 19, 2005 jeremy- glad you asked! i had forgot to mention. this is one of the tenets of high speed photography - you usually don't need your camera to be quick at all! in this case, the shutter was open for about 30 seconds, but we kept the room pitch black. if i remember, f8.0 at ISO 200 even. the one flash emits enough light to do the exposing... hope that explains. best -jeff Link to comment
rulon 0 Posted April 19, 2005 People interested in this kind of thing (like me) might also have a look at the work ofHarold Edgerton one of the pioneers of the technique in the 1930's and 1940's.Great shot BTW. Link to comment
charliexia 0 Posted April 19, 2005 can you sync up multiple strobes at that speed? 1/10,000s seems pretty fast. wondering if you can creat more interesting lighting with more strobes, with out causing the bullet to double expose. Link to comment
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