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Rent NowThe Sigma 23mm f/1.4 DC DN Contemporary is a fast-aperture wide-angle prime lens designed exclusively for APS-C-format Sony E-mount mirrorless cameras, delivering a 35mm full-frame-equivalent field of view. As a premier entry in Sigma’s Global Vision Contemporary line, it’s aimed at street, travel, documentary, and portrait photographers who want a versatile wide-standard focal length paired with excellent low-light capability and shallow depth-of-field control in a compact, portable package.
Optically, the lens is built from 13 elements in 10 groups, including 3 SLD (Special Low Dispersion) glass elements and 2 aspherical elements, working to control chromatic aberration, vignetting, and flare for sharp, clear results across the frame. Sigma’s Super Multi-Layer Coating suppresses flare and ghosting by minimizing internal reflections, contributing to images with strong contrast even in challenging lighting. The bright f/1.4 maximum aperture excels in low-light conditions and delivers pronounced background blur for smooth bokeh, with a rounded 9-blade diaphragm rendering out-of-focus areas smoothly.
Autofocus is handled by an inner focus system driven by a stepping motor, delivering fast, quiet, and accurate autofocus for both stills and video use. The lens is natively compatible with AF Assist functionality on supported Sony camera bodies, letting photographers blend automated tracking with manual focus-ring overrides on the fly, and it fully interfaces with Sony’s native camera firmware for automated in-camera corrections of vignetting, distortion, and chromatic aberrations. A close minimum focusing distance of 9.9 inches makes the lens well suited to close-up photography and portraiture in addition to standard wide-angle shooting.
Build quality reflects Sigma’s Contemporary-line design priorities, with a compact, lightweight construction (approximately 330g for the Sony E-mount version) that keeps the lens easy to carry without feeling front-heavy on smaller APS-C bodies, along with dust- and splash-resistant sealing for added durability in outdoor use.
As an APS-C-specific lens, the Sigma 23mm f/1.4 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
– 23mm f/1.4 wide-angle prime lens for Sony APS-C E-mount
– 35mm full-frame-equivalent field of view
– 13 elements in 10 groups, including 3 SLD elements and 2 aspherical elements
– Super Multi-Layer Coating
– Stepping motor autofocus (inner focus system)
– AF Assist compatibility on supported Sony bodies
– In-camera correction compatibility (vignetting, distortion, chromatic aberration)
– Rounded 9-blade diaphragm
– Minimum focusing distance of 9.9″
– Dust- and splash-resistant construction
– Compact, lightweight design (approximately 330g)
– Designed for Sony APS-C E-mount mirrorless cameras
