Sigma presents the 28-45mm f/1.8 DG DN Art lens, the world's first zoom lens for full-frame mirrorless cameras with an f/1.8 aperture throughout the zoom range. It features top-tier optical performance and a video-friendly design. The wide to normal focal range means a lighter kit bag without compromising image quality.

Design and Performance

• 18 elements in 15 groups, with 3 aspherical and 5 Special Low Dispersion elements.
• Minimizes flare and ghosting, suppresses aberrations.
• Optical performance that rivals other Sigma Art series.
• Rounded 11-blade diaphragm for sharpness and smooth bokeh.
• Minimum focusing distance of 11.9" throughout the zoom range.
• Maximum magnification ratio of 1:4 at the longest focal length.

Video Production

• Bright f/1.8 aperture and zoom range from wide to normal.
• Ideal tool for single-shooter, run-and-gun setups.
• Internal zoom design that maintains length during use.
• Suppresses focus breathing for smooth motion.
• Silent and precise linear actuator autofocus.
• Manual focus with click and lock mechanisms.