Daniel Miler Posted April 3, 2019 Share Posted April 3, 2019 Im about to shoot a short film on 16mm, and were gonna use back projection (the projection itself would be digital, and its material shot on digital camera). I would appreciate any advice since i never did this. my concerns are mostly two: 1. whats the best way to expose/ measure the projection? 2. should I take any special precautions to avoid flickering? or will it be fine just as long as the camera and the projector are set to the same frame rate? if i plan to use hand cranck, I imagine there is no way to avoid variable flickering, right? Thanks Daniel Quote Link to comment Share on other sites More sharing options...
Site Sponsor Robert Houllahan Posted April 4, 2019 Site Sponsor Share Posted April 4, 2019 I wold spot meter the projection maybe put up a chart with a greyscale and a white point to get an idea of exposure with the spot meter. Really depends on the projector, I think 3-chip DLP or LCoS or LCD are what you want to try, avoid a single chip DLP with a color wheel. Quote Link to comment Share on other sites More sharing options...
Daniel Miler Posted April 4, 2019 Author Share Posted April 4, 2019 Thanks Robert, You mean shoot a gray chart, and then project and measure the gray chart off the projection, right? Quote Link to comment Share on other sites More sharing options...
Site Sponsor Robert Houllahan Posted April 4, 2019 Site Sponsor Share Posted April 4, 2019 I would just get a commonly available reference chart which has white/black and grey patches (Maybe look at Light Illusion web site) and project that. Then use the spot meter to determine exposure range for the projector. I would recommend a daylight balanced film stock as the projectors mostly try to hit a 6500deg white point more or less Quote Link to comment Share on other sites More sharing options...
Daniel Miler Posted April 5, 2019 Author Share Posted April 5, 2019 great idea thanks robert! Quote Link to comment Share on other sites More sharing options...
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