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Locate 2.8 on Optimo 28-76


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#1 Robert Baird

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Posted 20 December 2011 - 12:00 PM

Where is 2.8 on an Optimo 15-40 or 28-76? Is it between 2.6 and the first mark? Or is it on the first of the two marks that occur between 2.6 and 4? I have heard two different explanations from sources I respect.
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#2 Dom Jaeger

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Posted 20 December 2011 - 08:41 PM

I'm pretty sure it's between 2.6 and the first mark.

The 2 intermediate marks all up the iris scale are 1/3 stop increments between full stop marks.
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