Sigma 18–50 mm f/2.8 DC DN Contemporary – Bright Compact Zoom for Sony APS‑C E‑Mount

The Sigma 18–50 mm f/2.8 DC DN Contemporary is a lightweight APS‑C zoom lens featuring a bright f/2.8 constant aperture, delivering excellent low-light performance and creamy background separation. Designed for Sony E-mount, this compact zoom excels in travel, daily shooting, vlogging, and portraiture - offering flexibility and premium performance in an output-friendly form factor.

It features 10 optical elements (3 aspherical) and a 7-blade rounded diaphragm for clean image quality and smooth bokeh. Despite its small stature (just 295 g), it includes internal focusing, making it easy to handle for on-the-go creatives.

• Focal Range: 18–50 mm (27–75 mm equivalent)
• Aperture: Constant f/2.8 with f/22 minimum
• Optical Construction: 10 elements/9 groups including 3 asphericals
• Autofocus: Smooth and quiet stepping motor—great for video
• Diaphragm: 7 rounded blades produce pleasing bokeh
• Minimum Focus: ~12 cm at 50 mm, 0.42× magnification—ideal for close-ups
• Size & Weight: Approx. 61 × 65 mm, 295 g, ultra-portable and compact
• Filter Thread: 55 mm