The 18-300mm F / 3.5-6.3 Di III-A VC VXD covers a large focal length range from around 27mm to 450mm (35 mm Equivalent). It is the worldwide first1 zoom lens with 16.6x magnification for mirrorless APS-C cameras and offers all the advantages of all-in-one zoom lenses, which are suitable for a wide range of photographic applications. The carefully balanced optical system includes several special glasses that enable 16.6x magnification with the highest image quality. The resolution from the optical centre to the edge of the image remains consistently high over the entire focal length range. As with Tamron's other lenses for mirrorless system cameras, the fi lter diameter is 67 mm.