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tests done for max flash power -SB900 SB700 yongnuo 560III
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<blockquote data-quote="aroy" data-source="post: 316650" data-attributes="member: 16090"><p>Just like audio speakers are tested in an anechoic chamber, flash units should be tested in open field, so that there is no reflected light to muddy the results. I still think that testing at 5 meters should give results consistent with real life situation, as well as reducing the error margin due to distance measurements, but if you have no space then that is it. The tests were done by Rocketman122 for his own need, and if he is satisfied, that is it.</p><p></p><p>Any way, how ever you do the tests, if the conditions are same for all the flashes, their relative performance is all that we are gauging, and whether it is 1m or 10m, as long as we know where they stand relative to each other it is fine.</p></blockquote><p></p>
[QUOTE="aroy, post: 316650, member: 16090"] Just like audio speakers are tested in an anechoic chamber, flash units should be tested in open field, so that there is no reflected light to muddy the results. I still think that testing at 5 meters should give results consistent with real life situation, as well as reducing the error margin due to distance measurements, but if you have no space then that is it. The tests were done by Rocketman122 for his own need, and if he is satisfied, that is it. Any way, how ever you do the tests, if the conditions are same for all the flashes, their relative performance is all that we are gauging, and whether it is 1m or 10m, as long as we know where they stand relative to each other it is fine. [/QUOTE]
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tests done for max flash power -SB900 SB700 yongnuo 560III
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