Help deciding on next lens

[Richard Lane]

The 24mm f/1.4 looks great (I don't own it), but it will limit you for now. I would vote for the new 24-70mm f/2.8L II (which will also be lighter than version I) or if you want to save money then get the version I which I own for the past few years. I must have a nice copy of that lens, because I love it and I've hard others like HDNitehawk to be less than thrilled, but I think it has improved over the years. The Version II has 82mm threads and the version I has 77mm threads, just like your 70-200mm f/2.8L IS II, so if you share filters than version I has an advantage or you could get an adapter ring.

If you're trying to save weight then the 24-105mm f/4L IS will be lighter for your wife. (I like the way you think).

For landscape, I will throw the 16-35mm f/2.8L II into the mix and that lens shouldn't be too bad on the 40D either.

Rich