James R Blann Posted April 23, 2018 Share Posted April 23, 2018 Hi all, I'm coming up to an exterior night shoot setup behind a big barn, to be lit largely by industrial floodlights that we will be bringing in ourselves. I have a few main questions that i'm struggling to find answers to elsewhere: 1) What is the relative brightness of a 400w metal halide compared to 400w tungsen or hmi? 2) Does this change when you use a coloured bulb variety (primarily blue)? Do these coloured bulbs equate roughly to full CTB/CTO or are they more effecty? 3) Is there another way of achieving different colour temps other than with the coloured bulbs (something a little subtler)? Wikipedia tells me that colour temps of between 2500 and 22000 are possible. A decent touchstone is the cool tones that Rodrigo Prieto achieved on the streets in Biutiful (attached).. only slightly less cool. Shooting on 7219 so am keen for a decent punch. I'll be testing these things out myself of course but it'd be great to get an idea of the best things to test. Thanks in advance! Link to comment Share on other sites More sharing options...
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