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Speed Ramping: Krasnogorsk-3

speed ramp ramping speed krasnogorsk-3 k3 slow motion

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#1 Luke Roberts

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Posted 14 March 2015 - 10:42 AM

Could it work without harming the camera? Let's say I'm shooting at 24 fps and then have someone carefully dial the speed to 48 fps?


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#2 Chris Burke

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Posted 14 March 2015 - 03:00 PM

Should work. See if you can test it first
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#3 Josh Gladstone

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Posted 14 March 2015 - 05:59 PM

And don't forget that you're going to have to rack the aperture open a stop simultaneously to keep the exposure correct. Or adjust the lighting simultaneously. Unless of course you want it to get a stop darker during the speed ramp.


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#4 Mark Dunn

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Posted 15 March 2015 - 06:08 AM

.

Why didn't you just try it? I did. It works.


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#5 Chris Burke

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Posted 15 March 2015 - 06:03 PM

ll in all it's pretty easy on that camera and depending upon what stock you use Aperture compensation might not be that necessary. It is if you want to have a perfectly exposeD negative - but with today's emulsions you've gotten many stops of latitude.
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#6 Mark Dunn

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Posted 16 March 2015 - 04:31 AM

But he wants to avoid a change in neg density.


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#7 Luke Roberts

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Posted 16 March 2015 - 12:45 PM

.

Why didn't you just try it? I did. It works.

I don't understand the mechanisms involved, and was unsure if it would be harmful to the camera or not.
 

 

ll in all it's pretty easy on that camera and depending upon what stock you use Aperture compensation might not be that necessary. It is if you want to have a perfectly exposeD negative - but with today's emulsions you've gotten many stops of latitude.

I've thought about that. I'll probably have to utilize aperture method though.


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#8 Josh Gladstone

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Posted 16 March 2015 - 06:16 PM

I did a rack aperture shot on an arri s for a student film once. I had some lighting on a dimmer getting brighter while I racked the aperture closed a stop or two. Worked pretty well.


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