nikon p900 or sigma 150-600 for wildlife photography?
nikon p900 or sigma 150-600 for wildlife photography? I currently have a sony 6400 and am thinking of getting into wildlife photography as an amateur with no expectation of making money out of it. Currently the longest focal length I have is a 200 mm lens, and I was thinking of getting the 150-600 mm lens (probably 2nd hand for ~US$1000). However, I am presented with an opportunity to buy a nikon P...