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slow motion with ex3
hi there
intend to shoot half of my upcoming student film in slow motion but realized that 50 fps as the 7d and other low cost cameras offer it is not really slow enough. was wondering if i could achieve a better slo-mo effect with an ex3 recording to a nano flash at 50 or 60 fps since the higher bitrate would allow for more control in post when slowing it down. at least that’s what i heard. what would be the best option for slow-mo beyond a 7d’s 50fps? -
4 Replies
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I shoot slo mo often and the EX-3 does a fantastic job. It is a very smooth slo mo that looks wonderful. I shoot at 60 fps and love it.
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the EX cameras go up to 60 fps @ 720 and 30 fps @ 1080. If you use a Nano you can record in the native XDCAM EX codec at data rates beyond what can be recorded on the camera. Make sure you set the nano up correctly as you can set it for native 60 or for 24 over 60 with 2:3 pulldown removal. It’s the former that you want..
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There are other factors beside the bit rate which impact the quality of the slow mo if done in post.
You can certainly use Optical Flow in post but be aware there is a host of potential problems with that. It’s no replacement for a Phantom or equivalent camera.The prediction algorithms used to create new frames sometimes results in “watery” artifacts depending on what the moving object crosses in a frame. Generally you’d want clean simple backgrounds. You’d want to avoid multiple moving objects crossing each other. Sometimes the only way to know for sure is to do a test shoot.
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thanx 4 the info, m still unclear though about whether the slo-mo effect actually benefits from a higher bitrate or if that doesnt make a difference at all cuz even at 200mbps 60 fps are only 60 fps, or am i wrong?
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