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.
…
Read full post here:
https://www.digitaltrends.com/camera-lens-reviews/olympus-m-zuiko-ed-12-45mm-f40-pro-review/