Sigma 18-50mm f/2.8 DC DN Contemporary Lens

The Ultimate Portable Standard Zoom for APS-C Mirrorless

The Sigma 18-50mm f/2.8 DC DN Contemporary is a fast, lightweight standard zoom lens designed for APS-C mirrorless cameras. Offering a full-frame equivalent focal length of 2775mm, it covers wide-angle to short telephoto perspectivesmaking it ideal for landscapes, portraits, street, events, vlogging, and everyday shooting.

Weighing just 290g and measuring only 74.5mm in length, its one of the smallest and lightest f/2.8 standard zooms availableperfect for creators who demand professional-quality results in a compact, travel-friendly design.

Key Features

• APS-C format, equivalent to 2775mm on full-frame

• Constant f/2.8 aperture for low-light and depth-of-field control

• Advanced optics: 13 elements in 10 groups (3 aspherical + 1 SLD)

• Super Multi-Layer Coating to reduce flare and ghosting

• Stepping motor AF fast, quiet, and precise for stills & video

• Minimum focusing distance: 12.1cm (at wide)

• Maximum magnification: 1:2.8 for close-up/macro-style shooting

• Rounded 7-blade diaphragm for smooth bokeh

• Dust- and splash-resistant design with 55mm filter thread

• Incredibly compact: 65.4mm 74.5mm, 290g

Professional Performance in a Compact Build

Despite its small size, the 18-50mm f/2.8 delivers professional-level image quality. With three precision-moulded aspherical elements and one Special Low Dispersion (SLD) element, it minimises chromatic aberrations, distortion, and vignetting. The result is sharp, detailed images with excellent colour fidelity, even at wide apertures.

The constant f/2.8 aperture ensures faster shutter speeds in low light and the ability to create shallow depth-of-field for portrait-style subject separation.

Fast, Quiet Autofocus

The stepping motor AF is exceptionally fast and nearly silent, making it perfect for:

• Video creators shooting in quiet environments

• Photographers tracking fast-moving subjects like children, pets, or wildlife

• Content creators and vloggers who need smooth, discreet autofocus

Close-Up Capability

With a minimum focusing distance of just 12.1cm and a maximum magnification ratio of 1:2.8, this lens is highly capable of macro-style photography. Capture detailed shots of flowers, food, products, and textures with ease.

Mount Options

The Sigma 18-50mm f/2.8 DC DN Contemporary is available in:

• Sony E-Mount

• L-Mount

• Fujifilm X-Mount

• Canon RF-Mount (APS-C)

This flexibility makes it a go-to standard zoom for a wide range of mirrorless systems.

Specifications

• Lens Construction: 13 elements in 10 groups

• Angle of View: 76.531.7

• Diaphragm Blades: 7 (rounded)

• Maximum Aperture: f/2.8

• Minimum Aperture: f/22

• Minimum Focus Distance: 12.130cm

• Maximum Magnification: 1:2.8

• Filter Size: 55mm

• Dimensions: 65.4mm 74.5mm

• Weight: 290g

• Mounts: Sony E | L-Mount | Fujifilm X | Canon RF

Why Choose the Sigma 18-50mm f/2.8 DC DN Contemporary?

This lens combines the speed of an f/2.8 zoom with the portability of a prime, making it a perfect all-rounder for travel, vlogging, and everyday photography. Compact, lightweight, and sharp, it delivers professional results without weighing you downproving itself as the ultimate workhorse for APS-C mirrorless creators.