freddie bonfanti Posted December 9, 2005 Share Posted December 9, 2005 why dps decide to push film? if they need more brightness why cant they get more lights in? freddy bonfanti Link to comment Share on other sites More sharing options...
Premium Member John Pytlak RIP Posted December 9, 2005 Premium Member Share Posted December 9, 2005 why dps decide to push film? if they need more brightness why cant they get more lights in? freddy bonfanti Sometimes, it may be impractical to have enough light to achieve normal exposure at the rated Exposure Index. So a push process makes the negative a bit denser, so it intercuts better with normally exposed and processed negative. (Push-1 does NOT give a true one stop increase in real speed, but rather makes a negative that is underexposed by one stop print/transfer like a normally exposed and processed negative. Some shadow detail is lost with underexposure, even if push process is used.). Push processing is also used for the "look" of higher contrast and graininess. Link to comment Share on other sites More sharing options...
Premium Member Stephen Williams Posted December 9, 2005 Premium Member Share Posted December 9, 2005 why dps decide to push film? if they need more brightness why cant they get more lights in? freddy bonfanti Hi, Increasing light by 1 stop doubles the amount of light needed. Please Mr Producer can I double my lighting budget otherwise the lab will have to push the film 1 stop! LOL Stephen Link to comment Share on other sites More sharing options...
Premium Member Chris Keth Posted December 9, 2005 Premium Member Share Posted December 9, 2005 Hi, Increasing light by 1 stop doubles the amount of light needed. Please Mr Producer can I double my lighting budget otherwise the lab will have to push the film 1 stop! LOL Stephen More often than not you don't push film solely because you don't have enough light. generally, someone has made a decision that pushing a given stock will yield the right look for the picture. The bonus of that can be a smaller lighting budget. Link to comment Share on other sites More sharing options...
Premium Member Paul Bruening Posted December 10, 2005 Premium Member Share Posted December 10, 2005 Hey, Like Stephen says. Also, its not just that you need twice the cans or bigger cans, you need twice the juice and make twice the heat. Large night interiors and night exteriors are common situations where push can save you a lot of headaches. The push means you need less light to fill those big spaces and can then use less light for the foreground. Since those situations can already suck all the available juice, avoiding twice the load in juice can be a life saver. Link to comment Share on other sites More sharing options...
dd3stp233 Posted December 14, 2005 Share Posted December 14, 2005 Pushing film will usually make it look grainer, which a DP may want to use to create a look or effect in a particular scene. Link to comment Share on other sites More sharing options...
Sam Wells Posted December 14, 2005 Share Posted December 14, 2005 I routinely push my fav negs 7245 & 7274 with virtually no grain penalty on the 45. The 7274 maybe but I think I may actually get a slight sharpness increase also. (Jay Holben noted this also in his tests published in AC magazine, May 2000) This is hotter development pushing. I can rate 2/3 stop higher EI for 1 stop push and get a good printer light, * but often with the 74 don't compensate the EI rating at all. -Sam * wondering how much longer I'll be using the term "printer light"............ Link to comment Share on other sites More sharing options...
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