Proper Blind Exposure with a Gray Card

Started Nov 12, 2012 | Discussions thread
Jack Hogan
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For Clarity
In reply to Jack Hogan, Nov 12, 2012

Jack Hogan wrote:  So that when we present it in the field with a middle gray card, it reads it accurately at 18%.

For clarity, the sentence above should read:

So that when we present it in the field with a middle gray card, it reads it as 18% and gives us accurate values for Aperture and Shutter Speed in this light at the given ISO.

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