And the best thing: these lenses are sharp wide open. On other systems you get 2.8 lens, but need to stop it down to 4.0 be useful. On u4/3 you get 45/1.2 and y

And the best thing: these lenses are sharp wide open. On other systems you get 2.8 lens, but need to stop it down to 4.0 be useful. On u4/3 you get 45/1.2 and you can use it at 1.2.