I post too Much on Here!!
- Jul 21, 2010
kubelik said:rejames, you are one strong individual if you're hoping for a faster version of the 28-300 ... that thing is already a monster of a lens
It's no bigger and not much heavier than the 100-400mm, which is fine to carry around for the day (for me, at least). But, take that 28-300mm and make it a constant f/4 - now you're talking about a beast of a lens!