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acute

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Posts posted by acute

  1. <p >Thanks everyone! Let’s assume for this discussion - since I didn’t make this clear in my original entry - that incidental light is of no concern. We want to measure the flash only.<br>

    I am starting to get a better idea of what is going on here. I am using a D90 and the Gossen Digipro F meter which will give a flash reading with or without a sync cable attached. (With the flash setting and a given ISO and shutter speed setting entered, the meter is activated and it waits for the flash to trigger the flash reading.) I am not confused about the synch speed, either, even though I appreciate the additional info on how it works. The only thing I do not understand is the inclusion of the shutter speed when reading a flash. Most comments seem to indicate that it has to do with the incidental light, but that raises many other questions. Let me ask this: are there any lightmeters that measure the flash intensity and provide only a recommended F stop reading without any reference to shutter speed? That’s what I would expect. I think the idea of boosting the shutter speed on the meter to 1/500th or more will work. I haven’t tried it yet, but it seems to be the most logical conclusion given the equipment I am using.</p>

  2. <p>I use a Gossen lightmeter with my Bowen studio lights, but the question applies to any lightmeter and flash combination (I think): when I set the lightmeter for flash reading it requires an input for shutter speed. But it seems to be irrelevant to me. Who cares what the shutter speed is when the flash is way faster than anything I set on my camera. I use 1/60 on my camera but that is only for synchronization (and I don't even understand that but I take it for granted that it is required). But since the flash duration is much shorter, why does the light meter indicate different readings based on different shutter speed? I get around the problem by readjusting my settings till I get the best result, but it would be nice to know how to use the lightmeter to get the shot right without any trial and error. Thanks for any tips and please do not tip toe around my ignorance: if there is something I'm totally in the dark about, please let me know.</p>
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