Usually we try to give you good advice. In this article we do our best to give you bad advice. So here are 9 golden rules to make sure that you buy the wrong lens.
1. Sharpness is all that matters
You should discard any but the very sharpest lenses and put the sharpness high above any other aspects. Only inspecting your über-large prints with a loupe will impress your neighbor more than the super heavy $5000 lens you took that picture with.