Last year, we went on a month long vacation and all I took was four of my manual primes; Rokinon 21mm f1.4, Rokinon 12mm f2.0, Rokinon 50mm f1.2, and Bower 8mm f2.8. I found that I used the 21mm, which I prefer to my 23mm f1.4, around 95% of the time and almost had to force myself to use the...