Mihai wrote: ↑Mon Mar 26, 2018 6:43 pmWatts isn't such a good measure for specifying "amount of light" because it just specifies how much power the light bulb consumes. Maybe it made more sense in the studio strobe world because most filaments had about the same efficacy, but in Maxwell we also have to accommodate everything from common incandescent bulbs to highly efficient fluorescents.
We also have to specify quite a lot in the manual to stick to "real world values" because we saw a lot of people have no clue how camera exposure is controlled so they set their emitters to 1.5 million watts because by default the camera is set to bright daylight exposure. So they can end up with a lot of noise and possibly also artifacts...
For users new to rendering coming from a photography background I usually tell them to use the Lumens setting as this is well correlated to real world lights, whether strobes or big fresnel lights. Usually the "lumens at 1m" specified by the manufacturer is all that's needed and they can enter this directly in the emitter settings.
PS. I hope the 30s-40s fashion starts coming back because there is no era with more elegant womens fashion. Or mens for that matter. But we can keep the bikini...
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