Olympus M.Zuiko Digital ED 14-150mm 1:4-5.6
Olympus's Micro Four Thirds superzoom is, typically, the smallest in its class, and has respectable image quality too. It's a fine general purpose and travel lens, although Panasonic camera owners should take note of the lack of optical image stabilisation
Micro Four Thirds owners looking for a lightweight zoom lens for general-purpose / travel use.
Sharpness fanatics and pixel-peepers, Panasonic Lumix G-series owners (due to the lack of OIS)