Sigma 28–45 mm f/1.8 DG DN Art Lens – Constant f/1.8 Zoom for Sony E

Step up your kit with the Sigma 28–45 mm f/1.8 DG DN Art Lens, the world’s first full-frame zoom offering a constant f/1.8 aperture—ideal for low light, portraits, and professional video work. With premium Art-series optics, weather sealing, and a robust High-response Linear Actuator (HLA) autofocus, this lens delivers sharp, cinematic images in a compact yet powerful zoom format .

• Constant f/1.8 Aperture for bright exposure and shallow depth of field
• 28–45 mm Focal Range (multi-prime replacement)
• 18 elements in 15 groups, including 5 SLD + 3 aspherical, with Nano Porous & multi-layer coatings
• Internal zoom mechanism ensures consistent balance, weather-sealed barrel
• HLA Autofocus – fast, quiet, and video-friendly
• 11-blade rounded diaphragm for smooth bokeh
• Close focus 0.3 m, 0.25× magnification – great for close-ups
• Size & Weight: ~88 × 153 mm, 950 g – manageable for a fast zoom