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Animation / Timelapse with Arri 16 SR3


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#1 Rob Bernard

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Posted 20 October 2008 - 01:31 PM

I am a student making an animation / timelapse of photos and a painting appearing on a wall.
Shooting outside with Arri 16 SR3 on Kodak 200 Daylight and fixed focus lens.
Using a Cinamatography electronics intervalometer.
So speed will be set at 1/2 second.

Has anyone any advise to give as test shot will be out of the question.
There will be changing light throught the day (unpredictable UK weather) but is it better to keep the aperture fixed ?
If a fixed aperture is used what is the max variable reading in stops before I should be concerned about under/over exposure ?
Using netural density filters if to bright and taking lightmeter readings...is this the same principle as still photography ?
Is there any risk of light leaks apart from through the viewfinder ?

Any advise would be appreciated
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#2 David Rakoczy

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Posted 20 October 2008 - 02:57 PM

Kodak does not make a 200D.. they make a 200T and a 250D.

Light coming through the eyepiece is always a concern. Always close it unless your eye is in it. You will also get Light leaks through the Lens if the Frame is parked for a bit waiting to be exposed. If you have more than a couple seconds between each Frame (2+ second Intervals) then you will need a Capping Shutter to keep Light from contaminating your (parked) Frame.

What do you mean by 1/2 sec Speed? There is Shutter Speed (the duration of each exposure) and Interval (durations between each Frame shot).

Please clarify what you are doing so we can give accurate info... not sure the CE will give you what you want...
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#3 Rob Bernard

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Posted 21 October 2008 - 03:09 AM

Thanks for your reply David

Kodak does not make a 200D.. they make a 200T and a 250D.

Apologies film was switched at the last moment using KODAK VISION2 250D

Light coming through the eyepiece is always a concern. Always close it unless your eye is in it. You will also get Light leaks through the Lens if the Frame is parked for a bit waiting to be exposed. If you have more than a couple seconds between each Frame (2+ second Intervals) then you will need a Capping Shutter to keep Light from contaminating your (parked) Frame.

Intervals between the shots (frames) could be up to 2 mins or more. If light was to contaminate the parked frame would a solution be to take 3 frames per shot and edit out the before and after frame suffice. (maybe to late to get a capping shutter)

What do you mean by 1/2 sec Speed? There is Shutter Speed (the duration of each exposure) and Interval (durations between each Frame shot).

1/2 second exposure (min the intervalometer will allow)

Please clarify what you are doing so we can give accurate info... not sure the CE will give you what you want...



Apologies, I am a complete newbie, trying to learn fast.
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#4 David Rakoczy

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Posted 21 October 2008 - 06:53 AM

No problem Rob.

I would run a test first before you spend a day Shooting... You will definitely need a bunch of ND for that 1/2 sec. Shutter Speed. Take a Set of 85Nds and Straight NDs with you. If the school does not have them call The Filter Gallery to rent 212 . 631 . 9177 or your Local Rental House.
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