A quick update to my yesterday's post - Digicame-info posted the first leaked picture of the upcoming EF 100-400mm f/4.5-5.6L IS II USM super-telephoto lens:
Here are the lens specifications (Google translation):
EF100-400mm F4.5-5.6L IS II USM specs
fluorite lens one, use the one Super UD glass
for the first time adopted a new development of the Air Sphere coating (ASC)
IS unit shutter speed four stages effect of mounting the IS mode 3 for sports photography