Engineered with a 15 elements / 13 groups lens construction, the Tokina AT-X PRO 16-28 mm f/2.8 FX camera lens promises to deliver optimum performance. With the 107.11 - 87.76-degree angle of view, this Tokina camera lens covers a much broader area of interest, capturing everything you desire in the picture frame. The nine blade diaphragm of this Tokina lens produces splendid portraits, with beautifully blurred background. The minimum focusing distance of 0.9 ft in this Tokina camera lens lets you stand very close to the subject, for capturing excellent close-up shots. The maximum aperture of f/2.8, in this Tokina lens, allows more light to enter the lens, helping produce bright and sharp images. The Tokina AT-X PRO 16-28 mm f/2.8 FX is perfect for portrait, landscape, interiors, and architecture photography.