Have we decided if slow motion possible with C100? at DVinfo.net

Omar Nabulsi · May 26th, 2013, 12:07 AM

Hello all,

Apologies as I know this has been discussed on and off in various threads, but I haven't found a conclusive answer. Have C100 operators determined if it is possible to get slow motion from shooting in 60i? If so, how good is it and what is the basic workflow?

Any test shots are more than welcome :)

Many thanks!
~Omar

Franz Brandstetter · May 26th, 2013, 03:30 AM

Sorry for my bad Englisch ;)...
Maybe this can help you a Little..

Omar Nabulsi · May 26th, 2013, 08:13 AM

Thanks Franz! This definitely helps. Looks like it is possible then.

Darren Levine · May 26th, 2013, 08:53 AM

basically, expect 60i to 24p to lose a chunk of resolution, maybe notching it down to the 720 area

Omar Nabulsi · May 26th, 2013, 08:54 AM

Yeah thats sort of how I saw it. So its essentially 720p60 (but maybe a hair better in resolution).

Eric Coughlin · May 26th, 2013, 05:01 PM

My question would then be, in terms of sharpness and image quality, how well would the 720p like resolution of the C100 slow motion stand up against 1080p slow motion on a Panasonic GH3?

I've thought of renting the GH3 if I needed slow motion but if the C100 is as good than there wouldn't be a need to.

Drew Curran · May 27th, 2013, 01:50 AM

This is interesting. So what exactly is the process of obtaining slomo in FCPx if i shoot at 50i (Pal land)?

Thanks

Drew.

Gary Huff · May 27th, 2013, 09:12 AM

Quote:

Originally Posted by Drew Curran

This is interesting. So what exactly is the process of obtaining slomo in FCPx if i shoot at 50i (Pal land)?

I would assume (being from the land of NTSC myself) that you would need to have a 25p timeline first of all, shoot 50i, deinterlace, and then conform that to 25p for 1/2 speed.

That video Franz posted looks pretty good. I have yet to really try it myself (I've done some 60i for slo-mo shooting, but I'm not doing post on it so I don't know how it turned out).

Erik Naso · May 27th, 2013, 12:24 PM

Here is the blog post on how Franz did it. Pretty interesting!

Canon C100 – the lost 60p

Gary Huff · May 30th, 2013, 02:41 PM

Thanks for the link, Erik! Very helpful. Apparently the Atomos Samurai Blade will record 1080p60...be nice if it had a powerful deinterlacer in it to do this automagically, but I highly doubt it will.

Matt Davis · June 1st, 2013, 01:13 PM

Franz's post sort of poked me into checking this out - was there a simpler method? Can we go further?

So, 50i at 1/100th to 1/150th of a second, and don't think about using Optical Flow to double it again - just got to try it out with Twixtor.

Troy Moss · June 1st, 2013, 09:55 PM

Quote:

Originally Posted by Matt Davis

Franz's post sort of poked me into checking this out - was there a simpler method? Can we go further?

C100 Slow Motion tests on Vimeo

So, 50i at 1/100th to 1/150th of a second, and don't think about using Optical Flow to double it again - just got to try it out with Twixtor.

Thanks Matt for taking the time with these demo's, very helpful info!

Erik Naso · June 2nd, 2013, 01:25 PM

Quote:

Originally Posted by Gary Huff

Thanks for the link, Erik! Very helpful. Apparently the Atomos Samurai Blade will record 1080p60...be nice if it had a powerful deinterlacer in it to do this automagically, but I highly doubt it will.

No problem Gary. The Blade looks sooooo good but why didn't they add a HDMI input. The screen is so nice. Saw it at NAB. So darn close.

Gary Huff · June 2nd, 2013, 02:04 PM

Quote:

Originally Posted by Erik Naso

No problem Gary. The Blade looks sooooo good but why didn't they add a HDMI input. The screen is so nice. Saw it at NAB. So darn close.

I would guess it might make the unit physically larger perhaps? I don't know, but I'm strongly considering selling the Ninja and getting one and just using the Connect (which I have) to do the conversion. Only problem is that it's now a second point of failure for the connection, and involves more cables.

Omar Nabulsi · June 2nd, 2013, 11:43 PM

Hey everyone, slow motion is very easy with the C100 if you have After Effects!!

I found the following posted by Steven White back in 2006 in response to somebody who wanted to do the exact same thing with 60i footage from a different camera.

"Hiya Shannon,

If it's actual 60p video you're looking for, to keep that "reality" look and make 60p 1280x720p or SD 60p, the procedure is trivial in After Effects.

- make a 1440x1080 (PA 1.33) composition with a framerate of 59.94
- select your 1080i clip and check that the interpretations rules are "Upper Field First" with "Preserve Edges" checked.
- plop clip in composition... and voila! Every field becomes a frame.

Now when you render the footage you have to render it to a 60p file.

Alternatively, if you want to do slow motion (at say, 23.976 fps):
- change the composition frame rate to 23.976
- use the same interpretation rules as above
- plop clip in composition
- with the clip layer selected, click on the "Layer" drop down menu and select "Time Stretch"
- insert a value of 250% and tada! Beautiful slow motion.

-Steve"

I tried it out and it works great. Very easy too! If you have Twixtor, I'm sure you could slow it down even more. I did not see too much of a drop in resolution, but perhaps only a little bit. Still need to do more tests tomorrow, but this is a promising start!

May 26th, 2013, 12:07 AM	#1
Omar Nabulsi Regular Crew Join Date: Nov 2010 Location: Chicago Posts: 74	Have we decided if slow motion possible with C100? Hello all, Apologies as I know this has been discussed on and off in various threads, but I haven't found a conclusive answer. Have C100 operators determined if it is possible to get slow motion from shooting in 60i? If so, how good is it and what is the basic workflow? Any test shots are more than welcome :) Many thanks! ~Omar

May 26th, 2013, 03:30 AM	#2
Franz Brandstetter New Boot Join Date: Dec 2012 Location: Austria Posts: 8	Re: Have we decided if slow motion possible with C100? Sorry for my bad Englisch ;)... Maybe this can help you a Little.. Canon C100 - 60i to 24p slomo conversion on Vimeo

May 26th, 2013, 08:13 AM	#3
Omar Nabulsi Regular Crew Join Date: Nov 2010 Location: Chicago Posts: 74	Re: Have we decided if slow motion possible with C100? Thanks Franz! This definitely helps. Looks like it is possible then.

May 26th, 2013, 08:53 AM	#4
Darren Levine Major Player Join Date: Apr 2010 Location: NJ/NYC Posts: 563	Re: Have we decided if slow motion possible with C100? basically, expect 60i to 24p to lose a chunk of resolution, maybe notching it down to the 720 area __________________ C100 - GH4 - NYC Shooter www.DarrenLevine.com

May 26th, 2013, 08:54 AM	#5
Omar Nabulsi Regular Crew Join Date: Nov 2010 Location: Chicago Posts: 74	Re: Have we decided if slow motion possible with C100? Yeah thats sort of how I saw it. So its essentially 720p60 (but maybe a hair better in resolution).

May 26th, 2013, 05:01 PM	#6
Eric Coughlin Regular Crew Join Date: Jan 2013 Location: Clearwater, FL Posts: 72	Re: Have we decided if slow motion possible with C100? My question would then be, in terms of sharpness and image quality, how well would the 720p like resolution of the C100 slow motion stand up against 1080p slow motion on a Panasonic GH3? I've thought of renting the GH3 if I needed slow motion but if the C100 is as good than there wouldn't be a need to. __________________ https://Vimeo.com/TwoSenseFilms http://TwoSenseFilms.com

May 27th, 2013, 01:50 AM	#7
Drew Curran Major Player Join Date: Jun 2006 Location: N. Ireland Posts: 370	Re: Have we decided if slow motion possible with C100? This is interesting. So what exactly is the process of obtaining slomo in FCPx if i shoot at 50i (Pal land)? Thanks Drew. __________________ Pixol www.pixol.co www.facebook.com/pixolmedia www.twitter.com/pixolmedia

May 27th, 2013, 12:24 PM	#9
Erik Naso Regular Crew Join Date: Apr 2007 Location: San Diego, CA. Posts: 56	Re: Have we decided if slow motion possible with C100? Here is the blog post on how Franz did it. Pretty interesting! Canon C100 – the lost 60p __________________ www.eriknaso.com https://vimeo.com/eriknaso Twitter. @eriknaso

May 30th, 2013, 02:41 PM	#10
Gary Huff Inner Circle Join Date: Jan 2013 Location: Austin, Texas Posts: 2,006	Re: Have we decided if slow motion possible with C100? Thanks for the link, Erik! Very helpful. Apparently the Atomos Samurai Blade will record 1080p60...be nice if it had a powerful deinterlacer in it to do this automagically, but I highly doubt it will.

June 1st, 2013, 01:13 PM	#11
Matt Davis Trustee Join Date: Aug 2005 Location: Berkshire, UK Posts: 1,562	Re: Have we decided if slow motion possible with C100? Franz's post sort of poked me into checking this out - was there a simpler method? Can we go further? C100 Slow Motion tests on Vimeo So, 50i at 1/100th to 1/150th of a second, and don't think about using Optical Flow to double it again - just got to try it out with Twixtor. __________________ Director/Editor - MDMA Ltd: Write, Shoot, Edit, Publish - mattdavis.pro EX1 x2, C100 --> FCPX & PPro6

June 2nd, 2013, 11:43 PM	#15
Omar Nabulsi Regular Crew Join Date: Nov 2010 Location: Chicago Posts: 74	Re: Have we decided if slow motion possible with C100? Hey everyone, slow motion is very easy with the C100 if you have After Effects!! I found the following posted by Steven White back in 2006 in response to somebody who wanted to do the exact same thing with 60i footage from a different camera. "Hiya Shannon, If it's actual 60p video you're looking for, to keep that "reality" look and make 60p 1280x720p or SD 60p, the procedure is trivial in After Effects. - make a 1440x1080 (PA 1.33) composition with a framerate of 59.94 - select your 1080i clip and check that the interpretations rules are "Upper Field First" with "Preserve Edges" checked. - plop clip in composition... and voila! Every field becomes a frame. Now when you render the footage you have to render it to a 60p file. Alternatively, if you want to do slow motion (at say, 23.976 fps): - change the composition frame rate to 23.976 - use the same interpretation rules as above - plop clip in composition - with the clip layer selected, click on the "Layer" drop down menu and select "Time Stretch" - insert a value of 250% and tada! Beautiful slow motion. -Steve" I tried it out and it works great. Very easy too! If you have Twixtor, I'm sure you could slow it down even more. I did not see too much of a drop in resolution, but perhaps only a little bit. Still need to do more tests tomorrow, but this is a promising start!