Olympus M.Zuiko ED 12-45mm F4.0 Pro review: Small, but sturdy

Taking the mirror out of the camera creates a smaller body, but with lenses, there’s nothing to remove to create smaller optics. While some brands have been able to shave off a few ounces, lenses still fall far behind in portability. The Olympus M.Zuiko Digital ED 12-45mm F4.0 Pro, however, is both the most compact and lightest out of any lens in this class.

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