counting the light source

vonkuttenberg

Well-known member
en>cs
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hello, according to knowledge collected here on dvxuser, can somebody give me an advice how to count how powerfull lights i will need for shooting or how far the light should be from the actor?

lets assume, that we are shooting in interiour, night. HVX200 has ASA 320-400, F1.6 on lense. i want to light up european human face, which should be about 70% bright. only one frontal light.

can somebody give me an advice how to count power/distance of light? lets assume ARRI FRESNEL HMI 575W or 1,2kW.
 
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