Kyle Stueve Posted April 28, 2009 Share Posted April 28, 2009 Okay, I am shooting a scene in a bedroom with the main source daylight with a 2k shooting through the window, and going to shoot 5500k preset on the hvx200 w/ redrock. So if I want to have my arri Fresnel’s (wich are 3200k) match my preset, I would full CTO them??? Right? and for the 2k would I CTO that to match that as 5500k?? And the same at night, with the 2k my "moon" (shooting at 3200k then) I would full CTB it right? thanks a lot Kyle Link to comment Share on other sites More sharing options...
Premium Member Adrian Sierkowski Posted April 28, 2009 Premium Member Share Posted April 28, 2009 CTO corrects Daylight to Tungsten, CTB corrects Tungsten to Daylight. To make a 3200K Fresnel match a daylight preset, you'd gel with CTO (full) and loose 2 stops of light from it. To make a window match the interior film lights (NOT the ones in your household lamp which are closest to 2900K) you'd use full CTO. CTO; 5600K~>3200K CTB; 3200K~>5600K For more infor (and a free swatch book!) see http://www.leefilters.com/ Link to comment Share on other sites More sharing options...
Scott Bryant Posted April 28, 2009 Share Posted April 28, 2009 To make a 3200K Fresnel match a daylight preset, you'd gel with CTO (full) and loose 2 stops of light from it. Wouldn't you gel CTB for this? or am I just not thinking of it the right way? Link to comment Share on other sites More sharing options...
Premium Member Chris Keth Posted April 28, 2009 Premium Member Share Posted April 28, 2009 Wouldn't you gel CTB for this? or am I just not thinking of it the right way? You're correct, Scott. Tungsten Light+CTB=Daylight Daylight+CTO=Tungsten Light Link to comment Share on other sites More sharing options...
Premium Member Adrian Sierkowski Posted April 28, 2009 Premium Member Share Posted April 28, 2009 Woops, my mistake, brain-> hand malfunction. Link to comment Share on other sites More sharing options...
Serge Teulon Posted April 28, 2009 Share Posted April 28, 2009 Kyle, why you shooting 5500K? Link to comment Share on other sites More sharing options...
Kyle Stueve Posted April 29, 2009 Author Share Posted April 29, 2009 Kyle, why you shooting 5500K? because most of the light in the room is day light mixed with a few arri's, I would rather do that then have to CTO the big window, when I can CTB the lamps im using. right? kyle Link to comment Share on other sites More sharing options...
Premium Member Chris Keth Posted April 29, 2009 Premium Member Share Posted April 29, 2009 because most of the light in the room is day light mixed with a few arri's, I would rather do that then have to CTO the big window, when I can CTB the lamps im using. right? kyle You can do that, but remember that full CTB will cut 1-2/3 stops from all of your lights that way. If you want the output of a 1K, you'll need a 5K scrimmed down a little bit once the CTB is on there. In most cases, it's easier and more efficient use of your resources to gel the windows orange. Link to comment Share on other sites More sharing options...
Kyle Stueve Posted April 29, 2009 Author Share Posted April 29, 2009 You can do that, but remember that full CTB will cut 1-2/3 stops from all of your lights that way. If you want the output of a 1K, you'll need a 5K scrimmed down a little bit once the CTB is on there. In most cases, it's easier and more efficient use of your resources to gel the windows orange. Yeah, I see what you are saying, we might be able to get away with 1/2 CTO, but having to gel the window would be better, I agree. thanks for your reply Link to comment Share on other sites More sharing options...
Serge Teulon Posted April 29, 2009 Share Posted April 29, 2009 As Chris has said....thanks Chris Good luck Kyle Link to comment Share on other sites More sharing options...
Premium Member Chris Keth Posted April 30, 2009 Premium Member Share Posted April 30, 2009 Yeah, I see what you are saying, we might be able to get away with 1/2 CTO, but having to gel the window would be better, I agree. thanks for your reply You can do partial correction if you want. It's pretty common (and a nice look) to have some orange-blue color contrast between sources like that. Link to comment Share on other sites More sharing options...
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