Photron Fastcam SA2, Hardware Manual

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75 FASTCAM SA2 / SA2 RV Hardware Manual
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About the settable shutter
Settable shutter speeds differ with the horizontal width of the maximum resolution of the frame rate
being used.
Example 1: When using 2,000 fps
The maximum resolution is 2,048x1,080, so the horizontal width is 2,048.
Shutter speeds that can be set at this setting are listed in the column titled 2,048.
(see the chart)
Since the frame rate is 2,000 fps, with a maximum exposure of 1/2,000 s, the shutter speeds
are listed below.
1/2,000s
1/4,000s
1/5,000s
1/186,000s
1/277,000s
1/367,000s
Example 2: When using 18,000 fps
The maximum resolution is 256x256, so the horizontal width is 256.
Shutter speeds that can be set at this setting are listed in the column titled 256.
Shutter speeds that can be set at this setting are listed in the column titled 256.
1/18,000s
1/20,000s
1/25,000s
1/202,000s
1/261,000s
1/367,000s
Example 3: When created with variable frame rate, resolution function.
When a setting of 10,000 fps and a resolution of 256x512 is created and used, the maximum
resolution is 256x512.
Shutter speeds that can be set at this setting are listed in the column titled 256.
Since the frame rate is 10,000 fps, with a maximum exposure of 1/10,000 s, the shutter speeds
are listed below.
1/10,000s
1/12,000s
1/15,000s
1/202,000s
1/261,000s
1/367,000s
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