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I see the fool framer is back to applying x2 crop factor to everything including exposure. I'm going to guess he's going to start adding X2 crop factor to flash calculations too...
Anyway... I wanted to at least disprove the fool framer at one thing, brightness.
Here's DxOMark's rating for the Olympus M.Zuiko 60mm f/2.8 Macro.
It is T 3.2