
2400km/h on the 401
4 months ago
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Traveling west on the 401, from the service area just west of Port Hope to Pickering. On the dashboard, and out of focus, is Susan: the ever helpful TomTom.
Technical details: a tripod was mounted in the rear seat section, two legs extended and on the floor, and the third leg was straight back, almost horizontal and jammed between seat cushions. The camera was a Canon EOS 1D MkII. A Canon TC-80N3 was set to take a picture every 2 seconds. Manual exposure, ISO 1600, 0.6 seconds at f/5.6. The "S" image size (1728x1152) was used. The resulting 780 frames were bulk processed with ImageMagick's "convert" to crop and resize to HD aspect, then mencode was used to produce the movie proper.
Technical details: a tripod was mounted in the rear seat section, two legs extended and on the floor, and the third leg was straight back, almost horizontal and jammed between seat cushions. The camera was a Canon EOS 1D MkII. A Canon TC-80N3 was set to take a picture every 2 seconds. Manual exposure, ISO 1600, 0.6 seconds at f/5.6. The "S" image size (1728x1152) was used. The resulting 780 frames were bulk processed with ImageMagick's "convert" to crop and resize to HD aspect, then mencode was used to produce the movie proper.
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I just bought a TC-80N3 yesterday but even with the manual I still am not sure I got what I need to do.
Do you just set the interval with the TC and exposure with the camera ?
If the camera is in any mode other than "bulb", then the answer is "yes". Dial in exposure into camera, interval with 80N3.
If, however, the camera is in the "bulb" mode, you control the exposure and the interval with the 80N3.
Things to watch out for are:
1. Make sure the interval between frames exceeds the exposure time set in the camera _plus_ (!) any time needed to flush the image to the media. In critical cases you should test to make sure the camera isn't going to choke.
2. Some modes on the camera require pressing the shutter more than once to get a single picture (e.g., mirror pre-fire), or a sequence of shutter presses collect images slightly modifying camera behavior for each one (e.g., exposure bracketing). Unfortunately, the 80N3 has no idea about any of this, so if you forget these modes are set, some cursing is the likely result.