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- #21
Stokestack
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- Jan 16, 2007
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On my 10D it was quite obvious as the difference between each shot could vary from 2-3 seconds even though all the shots' exposure time was the same
Then something was very wrong. What were you using to control it?
I have a 20D and the TC-80N3 controller. This controller has an idiotic 99-shot limit in the total-number-of-shots mode, but you can work around that by setting a total duration for the session or just baby-sitting it and stopping it manually or letting the card fill up. With cheap 2- and 4-gig cards, you don't need to get the data off the camera via USB. I don't recall the remote app making it impossible to store on CF, but maybe the old one did. I wrote a custom app with their SDK with lots of options; I might be able to dig it up if anyone's interested.
Canon has really dropped the ball on time-lapse. Not having an intervalometer in every digital camera is just dumb. It's such a simple function. Nikon, by contrast, appears to have a complete intervalometer in the D300; no screwing around with external devices.
The advantages of an SLR for time-lapse:
1. Small, relatively inexpensive and unobtrusive camera.
2. No or low compression.
3. Use almost any tripod or even a clamp.
4. Unlimited exposure length.
5. Potentially higher resolution than Red (really high-end SLRs), which would let you do moves and zooms in post.
6. Low image noise.
Disadvantages:
1. Wear on expensive-to-replace shutter and mirror assembly.
2. May not match lens FOV exactly with motion-picture camera; might matter if you're mixing footage.
3. Requires post process to create moving footage.
4. Loud, obtrusive mirror slap while shooting. Unfortunately, Canon misses the boat again here with their multi-exposure mirror lockup: It only works in "live view" mode.