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Alex Wuijts

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Everything posted by Alex Wuijts

  1. typically you put full ctb on a tungsten source, to correct 3200K to 5500K daylight. Sometimes daylight is warmer or cooler, so that's why you have different densities of ctb and cto. Just compare the two sources with you eye and see if they match. If not, get another filter.
  2. Everytime we struck the 4k it blew the main fuse of the Honda 5500 generator we were using after three minutes or so, so we went with an 2500 Par, which was a very reasonable alternative for our purpose - to give a little bit more contrast to the actors faces on a cloudy day.
  3. Well, i'd go for appearance of motion, but isn't all motion really appearance of motion in our endless universe? *cough*
  4. Besides movement, i would say the biggest difference between cinematography and photography is in numbers. One photograph should evoke a fascinating story, while with cinematography, you use thousands of photos to achieve the same effect.
  5. That's Lee 1/8 White Diffusion. A quarter is 251, half is 250 and full is 216.
  6. Thanks, this is all very helpful. We're probably gonna use a 2500W instead, because even with an electronic ballast we'd still be pushing the limits of the generator. Even when it starts, there's probably no way to make sure it doesn't turn itself off because it gets too hot. Too bad we can't get a bigger power source.
  7. Hey all, Is it generally possible to start a 4k hmi fresnel on a 5kVa generator? I'm about to assist on a shoot, and ofcourse we're going to test this rather restricting package, but i'm curious about the relation between generator and the startup power you can draw from it. Thank you very much for your time.
  8. I always think digital noise looks a lot like the noise i see with my eyes in the dark. In the dark, blacks are always very much colored with green, red/orange and yellow specks. Not that i'm an advocate of optical naturalism in film, or whatever you should call it, but i could be nice to use video noise like that some time.
  9. You can use a polecat, no drilling required with them. Make sure you get some beermats to put on both ends, because the black rubber ends of the polecat can leave stains on wall. I've also taken kino tubes out the housing and placed them with blu tack, a putty like adhesive, but that probably isn't the way to go here. It's an option though.
  10. Wow, is this cinematography.com or a schoolyard? I can't really tell. What is everybody bitching about? Just say cheers to the guy for having succes and a good time in what he's doing.
  11. Bordwell en Thompsons 'Film History' and 'Film Art' are pretty common here. You get a very good idea of specific films, technology, interpretation and style. Alhough Bordwell and Thompson have given these books a theoretical basis related to Russian Formalism, it's not really apparent, i think. I don't think theory should be discussed in film history class, but i think film history should be discussed in film theory class haha.
  12. I didn't notice this before, but i was looking into some kino flo light with tubes for greenscreen work, and i saw a strange starry effect taking place between my eyes and the source. Can anybody tell me what causes this, i have a fascination for the optical illusory. Oh yeah, i don't take drugs, even though i'm from a'dam. :)
  13. I always hear that the atmosphere in European, i should probably say Dutch, sets is more informal than in the US. If you're an electrician and you see some grips struggling with a heavy crane, you help them out if you haven't got anything else to do. Most of the time you do ofcourse, but it's a different attitude. From what i've heard it borders on the insulting in the US if you offer to help somebody out from another department, because then you're implying they can't take care of their own business. Dutch actress Willeke van Ammelrooy played Sandra Bullocks mother in The Lake House this year, and in an interview she told that she had lunch with some crewmembers the first day for some good conversation, and she practically got stared away. The second day she just went to her trailer like all the other actors/actresses. As this is a messageboard for professional filmmakers, i would like to know from the US people here if you have any experiences with European, maybe even Dutch, crews, and how those differences worked out. I understand that the atmosphere in lower budget US films would be similar to European, probably.
  14. Alex Wuijts

    My parents

    so what did you guys have for breakfast today?
  15. I think he means Residual Current Device. It detects a leak of current to the ground. If this leak gets bigger than 30mA it shuts off the voltage. It's specifically meant for personal safety, the 30mA being the maximum current we can get through our body without dying.
  16. 18. a backlight to see the rain 19. an orchestra playing to your emotional ups and downs 20. a sidekick who's the exact opposite of you
  17. Right, it's called the power factor, and this is always noted on the ballast or generator. So a 50kVa generator with a power factor of 0,75 only gives 37,5kW. And then you have to calculate 20% reserve power, because it isn't designed to run at full power all the time. You end up with 30kW, or 10kW per phase. HMI's draw more power than the rated wattage of the bulb because of the power factor of the ballast, and because the ballast circuitry uses some power itself.
  18. a screenshot http://img59.imageshack.us/img59/4505/korneelcopyaz7.jpg
  19. Terrible news. I wish you all the strength to recover as fast as possible.
  20. It will be hard to fill the right place of her face without seeing the source in the models eye right? She'll look pretty much straight into the camera. Remember that painters like Vermeer and Rembrandt where masters making it look like one source lighting. I think her white collar should bounce some light into her right cheek and earring. But i don't really understand why you want to talk about this instead of just trying it out. You have all the lights you'll ever need for this, just set something up and compare it with the picture. You can talk for ages about it, but it all changes when you turn one light on.
  21. right. it sounds to me he was just trying to be formal, not patronizing.
  22. This does indeed look like somethig i could build. Thanks for posting, good luck with it.
  23. Interesting subject. I've had the same thing with my Minolta stills camera. Light source was the sun, just outside of the frame.
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