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07/02/2006 10:36:25 AM · #1 |
I've got some shots in mind shooting a firecracker fuse as it burns and have a question. I know the fuse is going to be very bright as it burns and will be over exposed, but I want to minimize it as much as possible. Has anyone that has done this got any tips on where to start with the exposure for a burning fuse? I only have so many and I don't want to burn up my samples before I get the exposure information figured out. And I can't very well hold my light meter up to it. :D I won't be using my macro tubes for this either. :D
Thanks for any tips or suggestions.
Mike
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07/02/2006 10:49:04 AM · #2 |
| I'd recommend using a telescopic zoom when photographing burning fuses of any type. |
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07/02/2006 11:02:27 AM · #3 |
 
same idea
this was f36 & f22 respectivly, probably should have been higher (i have a f45 lens now)
for something as small as a firecracker / i'd double expose & (first the firecracker/fuse then the burn ;)
and /or use a piece of glass between the firecracker & the lens -
the sparks would be really nasty marks on a lens ..
Message edited by author 2006-07-02 11:10:11. |
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07/02/2006 12:04:10 PM · #4 |
Originally posted by MikeJ:
I've got some shots in mind shooting a firecracker fuse as it burns and have a question. I know the fuse is going to be very bright as it burns and will be over exposed, but I want to minimize it as much as possible. Has anyone that has done this got any tips on where to start with the exposure for a burning fuse? I only have so many and I don't want to burn up my samples before I get the exposure information figured out. And I can't very well hold my light meter up to it. :D I won't be using my macro tubes for this either. :D
Thanks for any tips or suggestions.
Mike |
Instead of using the fuse of a firecracker, you can go to a shop the sells modeling supplies and buy some of the fuse that people who make model rockets use. It's pretty cheap (like under a dollar for a foot of fuse) and you can get it to go for a longer time without the explosion at the end.
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07/03/2006 12:55:52 AM · #5 |
Good examples, Ralph. Thanks.
I didn't think about model rocket fuse. I did find a source of fuse material on the internet. It's interesting but fuse material can be shipped and 100' is about $20. I didn't know there were that many different types of firecracker and pyro effect fuses. :D I like the idea of the rocket fuse though. We have a large hobby store not to far from where I live. I'll check them out.
I did a dry run today with a length of green fuse out of a bottle rocket. It was about 2.5 inches long and wasn't as bright as I thought it would be and didn't burn as fast. That's good. I've found in my research that there are very bright and very fast burning fuses that are used for specific purposes (like connecting groups of firecrackers together where one lights the next), but that normal firecracker fuse burns for about 2.5 seconds per inch. I didn't take any pictures today, I just wanted to see how it burned and how much smoke it gave off. It gave off more smoke than I had hoped, so I might have to set up a fan to blow it away from the camera. I also checked out how far any sparks get thrown. I plan on using my 70-200 2.8L lens, so the camera will be well back but still give me a good size image.
Thanks for the suggestions. I did a lot of google searches on the internet, but between examples of firecrackers exploding (which isn't what I want) and some movie that kept coming up, there wasn't a lot. I did learn a lot of history about firecrackers though. :D I always get sidetracked when I do searches on the internet.
Mike
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