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It remains unknown if the lens also reports the data needed by the camera and/or Olympus postprocessing software for compensation of geometric distortion and light fall-off. Both effects are, however, not visible with this lens, so I couldn't really care less.
Tamron 18-200mm design and build quality Pictured below from left to right are the Tamron, Nikkor and Sigma 18-200mm lenses zoomed-out to their shortest positions. Each lens measures 73x84mm, 77x97mm and 70x78mm (diameter x length) respectively.
Kattintson ide a magyar változatért