Sigma 18-50mm F2.8 DC DN | Contemporary – Sony E-mount

FULL DESCRIPTION

The Sigma 18-50mm F2.8 DC DN is one of the most compelling zoom lenses for APS-C Sony E-mount mirrorless cameras. Covering 18-50 mm (27-75 mm full-frame equivalent) with a constant f/2.8 aperture, it offers excellent versatility for portraits, street photography, landscapes, travel, and video. Its “Digital Native” (DN) design ensures optimized performance for mirrorless systems, combining optical quality, fast autofocus and portability for a perfect balance of performance and practicality.

This lens is ideal for a wide audience: users upgrading from standard kit lenses, photographers looking for a lightweight all-round option, and content creators needing a compact, bright zoom for everyday shooting. The constant f/2.8 aperture ensures good low-light performance and shallow depth-of-field capability, while the lightweight body makes it perfect for travel and on-the-go shooting.

KEY FEATURES

• Constant f/2.8 aperture across the zoom range.
• Versatile standard zoom (18-50 mm / 27-75 mm equivalent) for portraits, street, landscape, travel and video.
• Compact and lightweight, weighing only about 290 g.
• Fast and silent autofocus thanks to its stepping motor.
• Very short minimum focusing distance (approx. 12.1 cm), suitable for close-ups.
• Smooth bokeh with natural subject-background separation.
• High optical performance with aspherical and SLD elements.
• Excellent price-to-performance ratio compared to kit zoom lenses.

TECHNICAL SPECIFICATIONS

• Mount: Sony E-mount (APS-C)
• Focal length: 18-50 mm (27-75 mm equivalent)
• Maximum aperture: f/2.8 (constant)
• Minimum aperture: f/22
• Angle of view: approx. 76.5° – 31.7°
• Optical construction: 13 elements in 10 groups
• Diaphragm blades: 7, rounded
• Minimum focusing distance: 12.1 cm (wide) / 30 cm (tele)
• Maximum magnification: approx. 1:2.8 (wide) / 1:5 (tele)
• Filter size: 55 mm
• Dimensions: approx. 61.6 mm diameter × 76.5 mm length
• Weight: approx. 290 g
• Focus system: Stepping Motor (STM), full-time manual override
• Image stabilization: None
• Compatible sensor format: APS-C / DX

WHAT’S IN THE BOX

• Sigma 18-50mm F2.8 DC DN (Sony E-mount)
• Lens hood
• Front cap (55 mm)
• Rear cap

FAQ – Frequently Asked Questions

Is it compatible with full-frame cameras?

No — it is specifically designed for APS-C sensors. Full-frame bodies apply an automatic crop.

Is it suitable for video and vlogging?

Yes — thanks to its fast, quiet autofocus, compact size and constant f/2.8 aperture.

How does it perform in low light?

The constant f/2.8 aperture ensures solid low-light performance and creative depth-of-field control.

Is it good for travel and everyday use?

Absolutely — it is compact, lightweight and extremely versatile, making it an ideal all-round lens for APS-C users.