Sigma 16-28mm F2.8 DG DN Contemporary Zoom Lens Black

The Sigma 16-28mm F2.8 DG DN Contemporary is a zoom lens designed for versatile wide-angle photography. It features a constant maximum aperture of f/2.8, suitable for various lighting conditions. The lens construction includes 16 elements in 11 groups, incorporating 5 FLD and 4 aspherical elements to help reduce aberrations and enhance image quality.

This lens has a minimum focusing distance of 25 cm and a maximum magnification ratio of 1:5.6. It is equipped with 9 rounded diaphragm blades for smooth bokeh effects. The lens supports a filter size of 72 mm and weighs 450 g, making it a compact and lightweight option for photographers. Key specifications: - Weight: 450 g - Dimensions: 77.2 mm diameter x 100.6 mm length - Filter size: 72 mm - Lens structure: 16 elements in 11 groups (including 5 FLD and 4 aspherical elements) - Diaphragm blades: 9 rounded blades - Minimum aperture: f/22 - Minimum focus distance: 25 cm - Maximum magnification: 1:5.6

Auto Focus: Yes Max Aperture: f/2.8 Minimum Aperture: f/22 Minimum Focal Length: 16 mm Number Of Diaphragm Blades: 9 rounded blades