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Hi, (pardon about my poor English...)
Please, I would like to know if it's correct to think this way:
If gray card (Zone V) is 18%, so: -Zone IV is 9% -Zone III is 4.5% -Zone II is 2.25% and Zone I is 1.12% So, the minimum that the emulsion sees is about 2,25%? (thinking in percentage)
or is better this way: -Zone I is 1% -Zone II is 2% -Zone III is 4% -Zone IV is 8% and -Zone (or gray card) is 16%? (I read something about this new value of gray card at internet).
Thanks in advance. Best regards from Brasil, Abraham Metri
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