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And another one when it comes to flash:
How do you make a bounce flash without turning it into a behemoth of a unit?
Well you can have it rotate just the flash tube and head along its axis, while the rest of the unit stays exactly the same.
Olympus obsession with small size and size-saving quirks is abundant throughout the system. Not just bodies, not just lenses, but even accessories like winders and flash units, variable angle finders, etc. . Everything is designed around that philosophy.