Thread: Hey Vivek...Olympus Pen 40mm f/1.2?!!?
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Old 5th November 2009   #3
mabelsound
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Join Date: Sep 2009
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Re: Hey Vivek...Olympus Pen 40mm f/1.2?!!?
So how does adding more glass effectively increase the aperture? Physics-wise, this is a bit beyond my ken.
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