Originally Posted by
neuroanatomist
The point I'm making is that sharpness isn't everything. One of the problems with 'sharpness' is that people focus on that as a comparison measure, simply because it's easy to quantify. Especially for people just entering this realm, it gives them a nice set of numbers that they can compare. They can say, "Wow, I checked out the photozone.de test charts, and my 50mm f/1.8 that I paid $100 for is just about as sharp as that 50mm f/1.2L that costs $1500," ignoring all of the other factors that make the 50mm f/1.2L the lens that is it.