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Canon XL H Series HDV Camcorders
Canon XL H1S (with SDI), Canon XL H1A (without SDI). Also XL H1.


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Old November 6th, 2006, 02:59 PM   #1
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ISO rating

Has Canon published or has someone measured and posted the ISO sensitivity of the XL-H1 sensor at each gain setting?

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Christopher
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Old November 6th, 2006, 09:35 PM   #2
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I don't know if Canon has published their figures, but when we tested it we found the base sensitivity is 200.

Each 6dB of gain = a doubling of perceived sensitivity, so at 6dB = 400, 12dB = 800, etc.
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Old November 7th, 2006, 01:06 AM   #3
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Hmmm... according to another forum it is 320.
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Old November 7th, 2006, 09:54 AM   #4
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We were having trouble determining which was the exact ISO for using an incident light meter. We were trying to keep our key/fill ratios on the actor's faces consistant.

It would be nice to know the correct ISO correlation for light meter use.
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