An old workhorse gets a long-awaited update, finally:

Canon USA Introduces EF 100-400mm f/4-5.6L IS II USM Super-Telephoto Lens (http://www.dvinfo.net/news/canon-usa-introduces-ef-100-400mm-f4-5-6l-is-ii-usm-super-telephoto-lens.html) for the full press release and photos.

Order from B&H at http://www.bhphotovideo.com/c/product/1092632-REG/canon_9524b002_ef_100_400mm_f_4_5_5_6l_is.html/BI/2855/KBID/3801

It's now a rotating ring style instead of the old push-pull trombone but, like the old one, it's not compatible with extenders.

Now, if they'll just update the 28-300...