Featuring an optimized design with a series of 6 optical glass elements, this lens may help reduce chromatic and spherical aberrations for superior image quality. A high-definition anti-reflective coating suppresses flare and ghosting, increasing contrast and color fidelity. With its robust full-metal construction and a versatile super zoom range, this manual focus lens may help you capture everything from distant sports action to intricate lunar shots with exceptional detail and a rugged, solid feel.