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Low FPS Effect


Adam Page

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Hey there,

Looking at shooting a scene on my Canon 814xls and I want to achieve an effect like the below. 

I know you can achieve similar by slowing down and blending frames.. My question is.. If I shoot 9fps with a shutter angle of 150, will I be able to achieve this naturally. Also i'd probably be getting the film scanned at 24fps. Would I be able to simply slow down or interpret the footage as 9fps to achieve such results?

 

Many thanks.

 

 

 

Edited by Adam Page
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maybe not quite that slow, but something in the ballpark.

You could try testing digitally to see if the look is close. Either by finding a digital camera that can do 9fps or maybe shoot 30fps with a 360 degree shutter and keep one frame in three - that would get you 10 fps with a 120 degree shutter - which is in the ball park and close enough to see if your going to like the effect

Makes sense to have a play with a digital camera before you burn expensive film stock

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If they are simply running your footage at 24 fps and giving you a 24P master, then you would have 1:1 transfer so you'd just need to play the footage at 9 fps to restore to normal speed. However, if you have to make a 24P or 30P master from that, some interpolation might happen to keep the speed normal. If you could shoot a 6 or 8 fps for a 24P master or 10 fps for a 30P master, you'd avoid any possible artifacts.  On the other hand, running the 9 fps footage at 8 fps and then making a 24P master from that might be OK. Or, as you say, running the footage 3X slower which is the same thing.

Technically a film scanner would give you a bunch of files (probably DPX files), one for each frame, as oppose to a telecine transfer to a video codec.

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Thanks for the advice! I've done a couple of tests with some 18fps footage I had available. Was able to get a pretty good result slowing this down with a frame blend with premiere pro. Just wondered about the 9fps as I thought it may give that more natural blur (although ultimately for my desired effect I think id' have to slow down and add some blending) + 9fps gives me quite a bit more film time!

 

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