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I got tons of good answers before, but meanwhile I added the sayang 14mm to the pack. Now, is no question it has to come along, along with the 80-200 2.8L.
That leaves a big gap in between, and I have no choice to carry a third lens for my vacation in Nepal.
So in sum:
CONFIRMED
- Samyang 14mm 2.8
- Canon 80-200mm 2.8L

OPTIONS for a third lens:
- Canon TSE 24mm 3.5LII
- Canon 35mm 1.4L
- Canon 17-40mm 4L

I will be shooting mostly landscape, people, maybe some night shots, and few days in city environment.
Weight is not an issue.
What would be your choice and why?
Thanks
Phil