Olympus released its 40-150mm f/4-5.6 M.Zuiko near the end of 2010, as a complement to its 14-42mm for the PEN digital series. As are most of the newer micro-four-thirds lenses, the telephoto zoom lens is tiny - weighing just under 7 ounces. We've put the lens through its paces in our lab; click here to read our full review of the Olympus 40-150mm f/4-5.6 M.Zuiko.
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