Sigma EX 10-20mm f4-5.6 DC HSM for Nikon F brand_Paul C Buff a 3" tilting touchscreen

a 3" tilting touchscreen

You can not put it on your camera without bellows

it comes reeeeeal close to covering Micro Four Thirds (with minor vignetting)

meter is spot on

which is a whole lot of zoom to pack into a relatively lightweight (though not exactly pocketable) camera

Sigma EX 10-20mm f4-5.6 DC HSM for Nikon F brand_Paul C Buff a 3" tilting touchscreenThe Sigma EX 10 20mm f4 5. 6 DC HSM is an ultrawide lens for DX format Nikon DSLR cameras. Relatively compact for an ultrawide lens, with a built in focusing motor for compatibility with any Nikon DSLR. In good cosmetic condition, with minor finish wear. Includes hood.