I can understand wanting real world pictures to compare how images from the two lenses, but...
Originally Posted by Cozen
Pictures won't show you that, will they? Unless it was a carefully controlled test (and not what I would call "real world")... are you looking for something done in manual mode to see how much darker the f/1.8 looks?
Really, you just need to know that F/1.2 lets in about 225% as much light as f/1.8. That is, your shutter speed will be 2 1/4 times as fast to get the same exposure.
(Assuming it is really f/1.2 vs f/1.8. Maybe they're a little off to make it exactly one stop difference, or 200% and twice as fast... I don't know about that)
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