Gear Talk > EOS Bodies - For Stills

Newbie Time lapse

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gngan:
Hi guys,

I am learning to take time lapse pictures. There's one thing that i find it difficult to do.

Let's say I'm trying to do landscape from sun raise. How should i set my shutter speed and aperture? If I set the shutter speed to slow and aperture low then i can take clear pictures when it's dark but when the sun raise then it will be too bright. The setting for the transaction is so hard!

Can someone please tell me what to do?

Edit: How long should i take each photos for landscape? I am testing with 10 seconds. I do not want to have 'blip' when i make the video.

Axilrod:
Either use auto ISO or shoot in Tv or Av mode.  I'm not really sure, I've never done time lapses with drastic changes in light.  But I'm sure someone will give you an answer soon...

gngan:
Thanks for dropping in Axilrod.

I've done some research on this and here's my setting.

Manual focus
IOS 400
Manual mode

JerryKnight:
I'm sure the exposure range from dawn to late morning is well beyond the dynamic range of any sensor, so you have to adjust your exposures as the sun rises. Like was suggested earlier, put it in aperture priority mode, set your aperture to something like f/8 (for good sharpness), and be sure the spot meter is not turned on. You want the widest evaluative metering mode available, so that the exposures are as centered as possible. You can correct it later if you want, but if the highlights are blown or the shadows are crushed, you can't do very much to fix it.

Auto-ISO might be a good option, depending on how high the ISO wants to go before sunrise. If you're okay with a variation in noise, this might be the better method. Actually, since you're likely only using the time-lapse to create a video, the noise shouldn't really be an issue at all.

So maybe try manual mode, auto ISO, f/8 at a fixed shutter speed. Probably above 1/125s so that the ISO can go low enough in the late morning when the sun is bright. If you choose a slow shutter speed, ISO 100 might still be too bright in bright sunlight. (Some slight fudging of the Sunny 16 rule.)

se7en:
If you shoot in anything other than manual mode(NO auto ISO) you will get bad flicker. Sunset and sunrise timelapse are extremely difficult and typically require advanced techniques such as bulb ramping.

Your best bet while starting out will be something like this for sunrise:
ISO 100
Exp 100
Aperture f11, check hyper focal distanc
No AWB!!
Manual focus only.
You will still get aperture flicker in all manual and if you shoot faster than ss 100 you will get shutter flicker!
To remove aperture flicker you must disengage the electrical connections between the lens and the body. To do this:
Set aperture...
Press and hold DOF button.
Press lens release button while turning lens counterclockwise 1/8 of an inch.
Check iris to insure aperture is stopped down.
If you turned too much, you will get an error, if you didn't turn enough, you will get an error.

This will keep your aperture at the exact same stop for the entire length of the tl eliminating aperture flicker that occurs due to micro differences in diameter with every actuation.

Let the timelapse roll and edit in post with lr timelapse to recover shadows before sunrise..

You could also set initial ISo to 200, then change halfway to 100, realizing you will need to do more in depth deflicker in post.

Also, remember, with the lens disengaged your light meter is no longer accurate so disregard.

Lastly, timescapes.org forum is a much better resource than here.

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