Good point about edge distortion, but the OP said She says she wants to get into “documentary style photography”. I shoot in this style and it's more about capturing moments as they happen than it is setting up the perfect scene; wide angle is essen...
If she's shooting "documentary style", she'll probably be dealing with less-than-ideal lighting conditions. I'd suggest something with an aperture no smaller than f/2.8. You'll also want to get something with a wider angle of view because she may b...
my issue was mach banding in the sky - I had to remove most of the glow and add grain in lightroom to fix it. I still like the final result but really wanted to capture more of the blue hour colors