The Olympus M.Zuiko ED 12-200mm F3.5-6.3 ($899.99) is one of the longest all-in-one zooms you can get for a Micro Four Thirds camera. It covers a wide angle through an extreme telephoto view, and is protected against dust and splashes, making it an appealing lens for travel and hikes. But its optics are underwhelming, especially when zoomed in, and the lens relies on in-camera stabilization. Big Zoom Power Despite offering a larger zoom ratio than any other lens for the Micro Four Thirds system, the ED 12-200mm isn't overly bulky or heavy. It measures 3.9 by 3.1 inches (HD), weighs about a pound, and supports 72mm front filters. It telescopes when zoomed, just about doubling in length at full extension. The barrel is sturdy composite with a black finish. The zoom ring takes up most of its area; it has a textured finish, so it's comfortable to grip, even if you're wearing gloves. The 12, 25, 45, 70, 100, and 200mm settings are marked, but there's no lock to keep it in place. S...
The Olympus M.Zuiko ED 12-200mm F3.5-6.3 lens has a big zoom range, but image quality drops as you zoom in and there's no stabilization.
16.7x zoom ratio; Relatively light and compact; Dust and splash protection; Close-up focus capability; Minimal distortion and vignette
Reliant on in-camera stabilization; Images suffer beyond 100mm zoom