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| 01-21-2011, 08:17 AM | #1 |
| softbox ratio | |
| 01-21-2011, 08:51 AM | #2 |
 Originally posted by slipchuck  I am looking to make my own softbox and was wondering if there is a ratio of the distance the flash (off camera flash) away from the front diffuser vs size of the softbox? example so many inches was from the diffuser per foot of diffuser? (softbox cover)Hope this makes sense... I wanted to make a bigger one for soft light thanks randy  can be used to determine the angle of view in degrees. On digital, that would be 53 degrees. So, use your high school trig skills to build your softbox. You will want the left/right and top/bottom to be about 53 degrees so that your flash hits the entire thing. The size of your diffusing material will determine how far away the flash is.
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| 01-21-2011, 02:14 PM | #3 |
| Originally posted by enoeske How wide can you flash be zoomed out to? If it can hit, say, 24mm, then the formula can be used to determine the angle of view in degrees. On digital, that would be 53 degrees. So, use your high school trig skills to build your softbox. You will want the left/right and top/bottom to be about 53 degrees so that your flash hits the entire thing. The size of your diffusing material will determine how far away the flash is. randy | |
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