Choosing a new portrait lens can be a real challenge – particularly if you are deciding to invest in a higher-end model. So how do you know which lens is right for your type of portrait photography? It really depends, both on the focal length of the lens as well as how close or far you are from your subject.
This post from Photography Talk really gets into depth regarding portrait lenses and focal length – with photo examples so you can see the difference. You may want to check it out before you consider your next portrait lens purchase.