My budget is $1,700. But that includes things such as CP and ND filters.


Let me rephrase the original question. Which of these three lenses (17-55mm f/2.8 IS, 24-70mm f/2.8, 70-200mm f/4 IS) do you think would offer the greatest improvement to my current set up? When I say it like that the 70-200mm f/4 IS immediately jumps out at me because, while the 18-55mm is not the sharpest or fastest lens, my 55-250mm is far worse. When I think about it I don