Originally Posted by newsgrunt
ok, gonna admit it, I need someone to translate this for me
Means it's an extremely well corrected lens even wide open. Good bokeh (some may disagree). At 415 grams it's also one of the (if not the
) cheapest, lightest choice if you need this level of performance. Expect other lenses to either weight more than 2 lbs or cost over $6,000, or both.
If you don't have a 40+ MP sensor to cater to though, the older, cheaper, lighter (not quite so though with the adapter) traditional (Double Gauss derived) 50/1.8G and 50/1.8D would totally serve.