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Can I up the FPS when I'm shooting for slomo?

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Chris Barnes
Can I up the FPS when I'm shooting for slomo?
on Oct 4, 2011 at 3:18:16 pm

I am shooting on a Canon T2i with the kit lens 18-55 and 75-300mm. I keep the FPS at 125 and shoot everything at 720x60FPS. I'm heading out to shoot a freeride MX clip and I'm planning to do allot of slow motion clips, would it be a good idea to up the FPS when I'm intentionally filming for slow motion? Thanks for the advice!


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Colin McQuillan
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 4, 2011 at 3:42:51 pm

Do you mean shutter speed? If so it depends on the look you are after. I prefer to shoot sports slomo with a higher shutter speed - but also at times will go the other way if I'm after a more dreamy fluid look.

Colin McQuillan
Vancouver, B.C.


"Live, love, laugh and be happy."


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Chris Barnes
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 4, 2011 at 3:47:56 pm

Yes, sorry I'm not sure why I typed that. haha

I don't want any crazy effects, I just want a really clear slomo shot with dirt flying etc... If upping the shutter speed is ok in this situation, how much is a good start? 200, 400, 1000? I want the footage to flow without any image blur or distortion. I edit in vegas movie studio HD platinum 10.0 Thanks


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Steve Crow
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 5, 2011 at 12:05:57 am

If you are going to be filming for a slow motion effect, I would shoot at the 1280x720 60 frames per second mode and then look for a shutter speed closest to 1/120th of a second. After that - don't touch the shutter speed! (you can play around with it later!)

Start there...you will see the slow motion effect when you bring the footage in a timeline that is set up for 30 or 24 frames per second. There's plenty of info on the Web about this technique - start with the basic formula I've just given you and then you can make adjustments from there - it might be a good idea to do some test shots before your big event of some fast moving objects - even if it is just cars along the highway or skateboarders.


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Colin McQuillan
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 5, 2011 at 12:20:33 am

[Steve Crow] ".you will see the slow motion effect when you bring the footage in a timeline that is set up for 30 or 24 frames per second"

Not necessarily. With a program like FCP 7 you need to process the footage first (transcode to an i-frame codec and conform to 29.97 or 23.976 with cinema tools) otherwise when adding the raw footage to a regular frame rate timeline FCP will effectively throw away half of your frames and do a blend of the remaining and your slomo will look like a**.

There is different process with FCPX. Not sure how premiere or avid handles this but do your homework or you wont be getting the most out of your footage.

Colin McQuillan
Vancouver, B.C.


"Live, love, laugh and be happy."


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Brent Dunn
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 5, 2011 at 4:45:46 pm

60 fps at 720p is the best you can do in these cameras. It will give you a little smoother slowmo, but not the amazing slomo of a high speed camera. You can cheat and use a software called Twixter to get some nice smooth slowmo, but it has a learning curve.

Brent Dunn
Owner / Director / Editor
DunnRight Films
DunnRight Video.com
Video Marketing Toolbox.net

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Gary Huff
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 7, 2011 at 3:36:51 am

Shooting a higher shutter than 1/120 won't help much with the slow motion.


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Chris Barnes
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 7, 2011 at 3:40:13 am

Thanks for all your feedback. This forum is and has been very helpful with my learning curve.


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Colin McQuillan
Re: Can I up the FPS when I'm shooting for slomo?
on Oct 9, 2011 at 7:26:05 am

[Gary Huff] "Shooting a higher shutter than 1/120 won't help much with the slow motion"

I would disagree. To slow down fast action for crisp slomo - heading north of 120 can be a good idea. I often do so for stylized shots I put together for sports show opens It all depends on what you are shooting and the look you are after. Do you want motion blur? if yes shoot at 120 or 60 - or lower even if thats you flavor.. If not and you are after sharp slomo then experiment with shooting up around 1000.

Here's an example of the type of looks you can pull from fast shutter @ 720p60 - further slowed with twixtor.



Do camera tests and figure out the look you are after before you shot…

Colin McQuillan
Vancouver, B.C.


"Live, love, laugh and be happy."


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