Movie file sizes
If image size or frame rate is changed, the frame counter will display the approximate number of seconds that can be recorded at that setting on the installed memory card. One memory card can contain movie clips with differing sizes and frame rates. The total time that can be stored on a memory card is determined by the size of the card and the recording rate. The actual file size is determined by the scene; some subjects can be compressed further than others.
Approximate recording rate |
|
| |
Frame rate |
| Image size | |
320 X 240 | 160 X 120 | ||
| |||
30 frames per second | 670KB/s | 160KB/s | |
15 frames per second | 340KB/s | 85KB/s |
Approximate number of seconds that can be stored on a 16MB memory card.
30 frames per second | 21 seconds | 82 seconds |
15 frames per second | 41 seconds | 150 seconds |
Notes on movie recording
In movie recording, some functions can be changed with the movie menu (p. 66). Exposure, focus, and camera sensitivity are automatic. Both the wide focus frames and the spot focus area can be selected. Quick View can be used. The display button switches between the full display and the live image only. The flash is disabled. When the red
The optical and digital zoom are active. A 4X digital zoom can be used during recording when the frame rate is set to 15fps.
Depending on the image size and frame rate, the writing speed of the memory card in use may prematurely end the recording of a movie clip, especially with 320 X 240 size images at 30 frames per second. Test the card before important events.
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