Imaging recource: Olympus patents a 300-500mm f/2.8-4.0 lens: Another supertelephoto zoom for MFT shooters?

    Thanks to the generous two times crop factor of Micro Four Thirds cameras, you can achieve a lot of telephoto reach in a relatively small form factor. Take the Olympus 300mm f/4 IS Pro ED M.Zuiko lens, for example, which is just under 9 inches long despite offering a 600mm-equivalent focal length. 4/3 Rumors has dug up a patent filed by Olympus which shows two possible MFT telephoto zoom lenses. The first optic is a 300-500mm f/2.8-4.0 and the second is a 200-300mm f/2.8-4.0. These would provide equivalent focal lengths of...
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