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Rent NowThe Sigma 10-18mm f/2.8 DC DN Contemporary is an ultra-wide-angle zoom lens designed for Sony APS-C E-mount mirrorless cameras, offering a fast constant aperture in a compact package aimed at landscape, architecture, interior, and astrophotography use. As part of Sigma’s Contemporary line, it targets photographers who want a lightweight, versatile ultra-wide zoom without the size and weight typical of full-frame-covering ultra-wide optics.
Optically, the lens covers a 10-18mm focal range with a constant f/2.8 maximum aperture throughout the zoom, simplifying exposure compared to variable-aperture ultra-wide zooms and giving photographers a genuinely fast aperture at the ultra-wide end, useful for astrophotography and other low-light wide-angle work. On Sony’s APS-C sensor, this range delivers a 35mm-equivalent field of view of approximately 15-27mm, covering true ultra-wide framing through a more moderate wide angle. A rounded aperture diaphragm contributes to smooth background rendering when shooting at wider apertures, though the lens’s primary strength lies in depth of field and expansive framing rather than subject isolation.
Autofocus is handled by Sigma’s stepping motor (STM) autofocus system, delivering quiet, smooth focusing well suited to both stills and video work, including continuous autofocus during movie recording. The lens also offers a short minimum focusing distance, allowing for close-up shooting with dramatic wide-angle perspective at the closer end of the zoom range.
Build quality includes a compact, lightweight barrel construction consistent with Sigma’s Contemporary line positioning, along with a dust- and splash-resistant mount to help protect against moisture and debris during outdoor shooting. The lens accepts front filters despite its ultra-wide design, a useful feature for photographers who want to use polarizers or neutral density filters without a specialized filter system.
As an APS-C-specific E-mount lens, the Sigma 10-18mm f/2.8 DC DN Contemporary is designed exclusively for Sony’s APS-C E-mount mirrorless cameras and does not cover a full-frame image circle, making it a dedicated option within Sony’s APS-C lens ecosystem.
Key Features
– 10-18mm constant f/2.8 ultra-wide-angle zoom for Sony APS-C E-mount
– Approximately 15-27mm full-frame-equivalent field of view
– Stepping motor (STM) autofocus
– Dust- and splash-resistant mount
– Compact, lightweight Contemporary-line construction
– Front filter compatibility
– Designed for Sony APS-C E-mount mirrorless cameras
