Quote Originally Posted by analoguey View Post
Thats exactly why I asked the question. I don't use multiple TTLs myself. Figuring out stuff w digital itself is educating.
So even with a light meter one would need quite a few readings.

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I meter he main light, the fill in light the backlight and the background to give me an idea of the contrast ratio between them and adjust the lighting if necessary by either adjusting the flash power levels or moving the flashes nearer or further away from the sitter. With modern Sekonic flash meters you can average up to 9 meter reading if you press the average button to integrate the readings to give the final total exposure.