Saw this late, but I gotta chime in. I actually had huge hopes for the Sigma I-series because they look like tiny works of art, but unfortunately, the...
just saw this thread. i actually went through the same gear panic last year before a shoot. honestly, checking the manufacturer refurb stores is a sol...
You should definitely pick up the Canon RF 24-240mm f/4-6.3 IS USM. Its easily the most versatile option for a trip like this and I've been very happy...
Ugh, I am literally in the same boat right now. My main body started throwing shutter errors yesterday and I have a huge corporate gig coming up fast....
+1 on the Fujifilm XF 10-24mm f/4 R OIS WR — honestly the flexibility beats a prime on a tripod; if you want smaller/cheaper, the Fujifilm XF 14mm f/2...