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November 3rd, 2009, 08:05 AM | #1 | |||
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November 5th, 2009, 12:57 AM | #2 |
Regular Crew
Join Date: Sep 2009
Location: Columbus, Ohio
Posts: 28
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Technique
I have been reviewing this video more closely. At approximately the 0:56 mark the camera appears to change aperture due to an apparent change in lighting conditions. At that part of the clip parts of the image start to show more DOF, indicating that a smaller aperture was being selected by the camera (the sun must have come out a bit from behind some clouds). I was shooting in shutter priority mode.
The net of this is that it appears that I've changed the focusing, which might be disconcerting to the viewer in certain circumstances. Question: Is it better to shoot in full manual mode (shutter speed and aperture manually selected) rather than taking a chance that the camera will pick a new aperture on the fly? I suppose that this effect is minimized with wider angle shots. In this particular instance, the exif metadata shows that I was shooting at about 110mm (EFL=176mm), so any changes in aperture with a relatively narrow DOF to begin with would be accentuated. The downside to shooting fully manual is that you can't react easily or quickly to the sun coming out during the clip. Any thoughts on technique here? |
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