Here's your challenge. Suggest one single prime lens to use as a walkaround lens. Define "walkaround lens" as a lens capable of tackling these situations: unknown(in advance ) circumstances, cityscapes, interiors, people, tours, landscapes(near and far), walks in the woods, etc, etc. But most importantly, I'm interested in why you suggested what you did. I realize that what ever you decide will be full of comprimises. For use on a 1.6 crop camera. Thanks for playing along. I do appreicate your responses.