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Old January 1st, 2013, 08:51 PM   #1
 
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Shooting Time Lapse Sunsets with C300??

As this camera lacks any Av, Tv or any other DSLR style priority modes, in order for the iris or ISO to (automatic - which it lacks) adjust to light changes, what is the best method to film a sunset timelapse from near dusk to darkness, say of a city skyline or other artificial lighting feature?

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Old January 1st, 2013, 10:59 PM   #2
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Re: Shooting Time Lapse Sunsets with C300??

Jalan, I highly recommend full manual mode for timelapse, no matter what gear you are using. The same thing done on DSLRs have the advantage of multiple exposures for HDR.

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Old January 2nd, 2013, 11:50 AM   #3
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Re: Shooting Time Lapse Sunsets with C300??

What I've done is shoot in c-log (locked mode) setting the exposure where you want it with full sun in the frame and then leave it alone. The image will gradually darken over the course of the shot so your highlights are basically protected throughout. Then in post simply use keyframes to gradually bring up the tones as the sun goes down. Works like a charm.
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Old January 3rd, 2013, 08:24 AM   #4
 
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Re: Shooting Time Lapse Sunsets with C300??

What about shoot timelapse with skyscrapers and no sun from late afternoon to sunset/dark? If I set the ISO too low with a wide open iris (Canon 17-55 2.8) then it will be too dark later on?
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Old January 3rd, 2013, 02:43 PM   #5
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Re: Shooting Time Lapse Sunsets with C300??

Two approaches to this situation. Simplest is to change exposure one or twice during the time lapse and then dissolve between them in your edit. This can be combined with the above mention key framed "tone ramp" to achieve a largely seamless effect. The second method would require a cine lens with a stepless iris and a stepper motor/ controller to adjust the exposure smoothly throughout the length of the shot. ( this would need to be an advanced rig capable of varying the speed throughout the length of the shot-- as the exposure change would be less (or none) at the beginning and end of the timelapse, as opposed to the rate of change during the 30 minutes either side of sunset. ).
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Old January 3rd, 2013, 07:28 PM   #6
 
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Re: Shooting Time Lapse Sunsets with C300??

Thanks Barry. Can tone ramp be done in Premiere Pro CS5.5?
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Old January 3rd, 2013, 07:45 PM   #7
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Re: Shooting Time Lapse Sunsets with C300??

I'm not a Premiere guy, but I'm sure you can do it a number of ways with the tools in Premiere. Basically you are simply adjusting brightness of a clip over time using keyframes.

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