Re: Using a 113 gray standard in digital photo (Andy)
Re: Using a 113 gray standard in digital photo (Andy)
- Subject: Re: Using a 113 gray standard in digital photo (Andy)
- From: email@hidden
- Date: Wed, 20 Dec 2000 12:35:21 EST
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> From: "Andy" <email@hidden>
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> To: <email@hidden>
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> Subject: Using a 113 gray standard in digital photo
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> Date: Tue, 19 Dec 2000 11:45:42 -0500
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> Hello to the group
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> I have a pre-press production guy asking me to expose all my digital
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images using a Macbeth chart and adjusting my exposure so that the 3rd
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gray
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patch reads 113. He tells me that this allows his color guys to correct
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color without actually looking at the items in the shot. Am I crazy in
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thinking this is nonsense? As with film, a good exposure is one that
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provides the most detail in the item being shot. If an item is white, a
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slightly darker exposure yeilds an image with detail. With a black item,
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the
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opposite is true. So how can I use only one exposure (the one that renders
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the 113 gray) for all items?
This will gray balance and gamma adjust the image nicely, but fails to
account entirely for white point tone and color range.
C. David Tobie
Design Cooperative
email@hidden