16-35mm f/4L IS vs. TS-E 17mm f/4L

[Kayaker72]

Another tough one. I am in a bit of the same situation as I start to think about my next lens the 16-35 f/4 IS is definitely being considered.

If your primary purpose is architecture, the TS-E makes sense.

However, I have to wonder if the benefit of having 4 stop IS and potentially not needing a tripod (as often) may be a significant factor when packing and hiking around with a couple young kids.

As I think about my kit, I am entertaining the idea of my core being the 16-35 IS, 24-70 II, and 70-200 II. If I wanted to travel "light" with two lenses I could take the 16-35 IS and 70-200 II. Both with IS and both 77 mm threads.

Just a thought. I'd be interested in hearing your thoughts on the pros and cons of each.