Updated: Sep 29, 2020
We planned a summer tour, which took us through some of the most beautiful regions of Switzerland.
In total we were on the road for 3 weeks, covered about 700 km and climbed almost 9'000 meters of altitude.
During this time I was also able to test the new Sigma 100-400mm f/5.0-6.3 DG DN OS lens.
Have a look at the review below: