Quote:
Originally Posted by gregbradley
I haven't found a fast lens that does not need to be stopped down to at best F2 and really F2.8 anyway. Most fast lenses suffer from bad chromatic aberration which is not an issue when used with terrestrial images as you usually want to blur the background with the fast lens so the aberration is not a liability.
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Not sure which one is better - a fast lens stopped down to f/2.8 or an f/2.8 being used wide open. Looking forward to your observations.