Hi,
I'm looking to buy a telephoto lens mainly for wildlife and a bit of sports.
I have narrowed the choice to EF 300 f/2.8 L IS II and the new EF 400 f/4 DO IS II.
They are roughly the same price. I have already used the EF 300 and this lens is wonderfull even with the teleconverters.
But the EF 400 is longer and lighter and there are a lot of negative comment on the old EF 400 DO.

I know it all depends on what I shoot, but I would like to know what pro's and con's you guys have for these lenses.

Thanks in advance,

Andre
Montreal, PQ, CAN