Canon EF 100-400mm f/4.5-5.6L IS II USM Lens or other options?

Herb wrote:

1Dx4me wrote:

Blokfluitist wrote:

Adam2 wrote:

Sandyld7 wrote:

I am looking for input from those of you shooting sports and/or wildlife. I am at the ALMOST point of ordering the 100-400 II to use on my full frame camera (Canon 5D Mark III) for sports and wildlife. I have rented it a couple of times over the past 2 years to use in the national parks for wildlife and really liked it. I need more reach than my 70-200 f/2.8L II has. I have been shooting youth sports for the past couple of years as well, and would love that extra reach. I do worry about night lights in a stadium (faced that with a playoff game) but the 400mm and up with f/2.8 is NOT in my budget. So, here are a couple of other choices I have been considering as well. I am hoping those of you with more more experience and knowledge can offer your input.

ok

1. What about using the 1.4 extender on the 70-200? That would give me almost 300, but not sure if that will enough, but what a huge price difference!

You could, but I doubt that you’ll be as happy with the IQ

Actually... I've read that the IQ with this combination is excellent, so don't discount it unless you really need the extra length.

Rose

+1

i have heard that even the TC 2x combo produces a decent output with this lens!

The only problem is that teleconverter will push the lens from 5.6 to beyond 8....and that will be a problem on a camera such as 5DIII.

Heb, my point was using tc 2.0x III with canon 70-200 f2.8 II, which will make a nice 140-400 f5.6, having great IQ! i do use tc 2x III with my 300 f2.8 II most of the time without hesitation that makes an exceptional light weight 600 f5.6 lens that never disappoints in every aspect! i agree with you, using TC 2.0x with other lenses (beyond f5.6-f8.0) is not worth it due to losing AF capability of the lens!