Matt Pacini Posted February 25, 2004 Share Posted February 25, 2004 Have you ever seen these old WWII era films of bomb tests? How did they deal with exposure, and who would know what f-stop to use? It's gotta be an incredible stop. Maybe a pinhole camera lens would be good for this! It's not like you're going to stand there with your lightmeter pointed at the bomb, eh? Anyone have any idea what cameras/lenses they used for this kind of thing? Eyemo's I would guess... Matt Pacini Link to comment Share on other sites More sharing options...
Alvin Pingol Posted February 25, 2004 Share Posted February 25, 2004 Phew... :rolleyes: I got a little scared when I first read over your subject line. :lol: Link to comment Share on other sites More sharing options...
Rob Belics Posted February 25, 2004 Share Posted February 25, 2004 You don't know the sunny 16 rule, do you? :rolleyes: Link to comment Share on other sites More sharing options...
Premium Member David Mullen ASC Posted February 25, 2004 Premium Member Share Posted February 25, 2004 The ones shot in color probably used Kodachrome 25 or something like that. The initial blast is always grossly overexposed anyway -- the exposure is set more for the fireball that erupts after the flash. They may have used multiple cameras set to different stops or different amounts of ND to capture different parts of the fire storm. Probably after the first test, they had a good idea of what the stop should be. Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted February 25, 2004 Premium Member Share Posted February 25, 2004 Hi, "Sorry, can we do that once more for camera please...." Phil Link to comment Share on other sites More sharing options...
Guest oscar Posted February 25, 2004 Share Posted February 25, 2004 That was funny!! oscar Link to comment Share on other sites More sharing options...
mrbill762 Posted February 26, 2004 Share Posted February 26, 2004 Just in case, you happen upon this type of light source. :D I have a Western Electric Fast-X Hi-speed camera. It's last calibration in 1947 had it at over 5000 fps. It was reported to be from Los Alomos but I do not have the documentation to prove such. So how much light do you need at 1/5000 @ F16? :rolleyes: Actually, the 2" Cine Velostigmat Woollensak lens that came with it is rated as F2. Some day I will get some 16mm film and give this camera a work out. Mr. Bill Link to comment Share on other sites More sharing options...
Matt Pacini Posted February 27, 2004 Author Share Posted February 27, 2004 Wow, I thought I had too much stuff sitting around that I never use, but I think is cool to have anyway! Well, if I hear of an impending nuclear detonation, I'll be sure to let you know so you can get your camera ready. But it won't be in the town of Chico, California (about 50 miles from where I live), because they have a city ordinance, that states that there is a $600 fine for detonating a nuclear bomb within city limits. (I'm not making this up, it's actually true) Matt Pacini Link to comment Share on other sites More sharing options...
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