Need some help with time lapse photography

Discussion in 'Beyond the Basics' started by dpbofg, Dec 11, 2009.

  1. dpbofg

    dpbofg TPF Noob!

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  2. Garbz

    Garbz No longer a newbie, moving up!

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    Optimal manual settings? None. The difference between night and day will be too great for a manual exposure. Use auto exposure that's what it's there for.

    That flickr can be dealt with by taking images every 5-10 minutes, and then selecting the best image from a group for the final series. This makes the final assembly very time consuming though.

    One thing you need to consider is that 1h intervals means the average day will last 500miliseconds and the average night also 500ms. This video will likely only piss off the epileptics :) How long is construction going to take? Will it be possible to either skip the night intervals, or slow down the video by taking an exposure every 30 min or so?
     
  3. dpbofg

    dpbofg TPF Noob!

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  4. sA x sKy

    sA x sKy TPF Noob!

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    1 shot per hour? I understand you want a long time lapse but 1 shot per hour I think is a bit too much. Depending on how long it takes for the construction project to be completed, I would say at least 1 shot per 5 min or 10 min if need be.
     
  5. Garbz

    Garbz No longer a newbie, moving up!

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    Remember you can always grab every second exposure if need be. But you can't make up for exposures that aren't there.
     
  6. PatrickHMS

    PatrickHMS TPF Noob!

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    If you want to keep a camera aimed and still for that long, and I assume that is what you mean - it might take more than just a tripod. Over a period of years someone is BOUND to move it or at least bump it, or bring it in to you asking "What's this doing here?" (lol).

    And I am assuming this is a camera you will pretty much forget about using elsewhere for those number of years.

    But you might want want to build some kind of supported structure, maybe with a housing to protect at least three sides from meddlesome hands, where you can put "Don't you DARE touch this!" signs. Maybe even secure the camera to the wall with brackets.

    Will your memory card be large enough to hold all of this. You might want to be able to swap out the card, would hate to find out years later that files are corrupted in the memory card in the camera.

    With a power supply, that will solve the issue of battery failure or leakage, but are you sure you have chosen a camera that will even last that long mechanically?

    What about using a good video camera, positioned securely, communicating with a PC where you can store your images?

    Sounds awesome, but also seems overwhelming.

    Good luck!
     
    Last edited: Dec 12, 2009
  7. dpbofg

    dpbofg TPF Noob!

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  8. Garbz

    Garbz No longer a newbie, moving up!

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    With a 30min gap between photos, I would say the storage issue isn't such a big deal. It shouldn't take longer than 30min to swap the memory card :) But that also falls under the premise that you may want to find something more fixed than a tripod so you don't accidentally move the camera.
     
  9. Josh66

    Josh66 Been spending a lot of time on here!

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    If the project did last 1000 days and you took one picture per hour, that would be 1000 seconds (16 minutes, 40 seconds) of video (at 24 frames/second). Not a very long video for almost 3 years of work... An entire day would only last one second.

    I want to say that you need to make it longer, like 2 or 3 shots per hour, but I don't know how long I could sit there and watch a time lapse video... 40 minutes seems like a pretty long time to watch a construction site. Maybe just edit out the parts that don't have any visual progress...? I understand if you want to leave "the boring parts" in though.

    What if you move before it gets done? :lol:
     
  10. dpbofg

    dpbofg TPF Noob!

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  11. Stosh

    Stosh TPF Noob!

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    I don't really have any good answers for you, just some experience. I made an enclosure out of a PVC electrical type sealed box. I cut a hole for the window and had a piece of glass cut for it. I attached the glass with a silicone sealant (no hardware). I screwed the enclosure to my house. The timer remote was set to take 1 pic a day every day at the same time. The camera was a Canon Rebel XTi, so a 10MP camera. I had a 1G card in it and that lasted the entire time which happened to be about 270 days give or take. It was recording the growth in my cactus bed (yeah I know how geeky is that?).

    The most surprising part wasn't the flickering from different light each day - I expected that. It was that my house moves every day! I had to align every image basically by hand (I used a script program to simplify it for me). It was quite a project. Some frames were off by over 100 pixels. No way was that usable in a video! It would make you an epileptic if you weren't already.

    So here it is. Originally at 30fps it was over too fast, so I made the movie at 15 fps by duplicating each frame.

     
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  12. dpbofg

    dpbofg TPF Noob!

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