What were the major improvements to this upgraded lens? Is this everything...
1. Improvements to distance information passed back to the new E-TTL II flash algorithm.
2. Real non-electronic Full-time Manual focus.
3. Faster auto-focus.
Was the old version discontinued?
Thanks.
. wasnt aware of a mass 85 1.2 breakdown. sorry, i chucked a bit when i read this, like we were talking about an endagered species. 


