Alex Fuchs Posted April 11, 2006 Share Posted April 11, 2006 When I underrate a film do I have to pull the material during the development about the factor (maybe 1 stop etc.) I underrate it? Is it right, that a underrating means an overexposure and an overrating means an underexposure? Is it right, that under/overrating means, that I expose a stock in f-stop steps to get the next/undernext ASA value? Cheers, Alex Link to comment Share on other sites More sharing options...
Premium Member Adam Frisch FSF Posted April 11, 2006 Premium Member Share Posted April 11, 2006 By overrating the stock, you underexpose. And vice versa, yes. No need to compensate anything in the lab unless that's what you want to do. For instance, on a recent project I pushed the film 1 stop in the lab, thereby getting a ASA rating of 1000 from a 500 stock. If I hadn't pushed the film 1 stop, but still rated it 1000ASA, I would have underexposed the stock by 1 stop (lit at key, that is). Link to comment Share on other sites More sharing options...
Premium Member John Pytlak RIP Posted April 13, 2006 Premium Member Share Posted April 13, 2006 Do remember that a "Push-1" ECN-2 process gives added density to a negative that has been underexposed by one stop so it prints/transfers like a normally exposed and processed negative. But it does NOT give a true stop of added speed. Expect some loss of shadow detail and increased graininess. Link to comment Share on other sites More sharing options...
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