I have canon ef 100-400 mm f/4.5-5.6 l is lens, since 2014 and usages of this is limited for cricket and wildlife. this lens having softness at 400mm! how can be fix, pls advice. Using this lens with canon eos 7d and 50d.
Thanks for the reply and your suggestion.Lens was sent in canon service centre, India, for checkup and they do what they can do, but never fix the problem of sharpnes at 400mm!
thanks for the same,since using this lens for cricket and wildlife, I used all the option, ie tripod, ss above 500 in day light. But nothing can be there fine at 400mm!