Thread: F stops
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Old 18th October 2017
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Re: F stops

Originally Posted by OM USer View Post
1.414 of course being the square root of 2 and as the square root of 2 multiplied by the square root of 2 is 2, then multiplying twice by the square root of 2 is the same as multiplying by 2.
Can you put that another way........

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