It might be worth giving some thought to the XF-90 MM lens, it's great for compressing landscape shots and is an amazing portrait lens as well. Obviously you wouldn't have a wide angle for landscape work so it would really be dependent on what you like to shoot best. I own the 16-55 and the 10-24 both of which are really wonderful lenses as well, I know you are interested in primes but the 10-24 is worth considering for your side angle needs as well.
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