In a thread about bulb flash, it’s perhaps a bit nugatory to give a 101 on xenon flash exposure.
And “a factor” is not the same as what I wrote.
Shutter speed is absolutely crucial (as factors go) to the output received by the film. It’s pertinent to mention that first and foremost (as has been done many times in this thread).
Sorry, I’m sure you mean well and no harm, I just think it’s important to not confuse the matter.
Especially for posterity (this thread will come up with searches).
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