The Sigma 56mm f/1.4 DC DN Contemporary is an especially sleek portrait-length prime lens designed for APS-C-format Sony E-mount mirrorless cameras, delivering an 84mm full-frame-equivalent focal length. Completing Sigma’s trio of fast f/1.4 primes (following the 16mm and 30mm) for crop-sensor mirrorless systems, it’s well suited to portrait, street, pet, event, and candid photography.
Optically, the lens is characterized by its bright f/1.4 maximum aperture, well suited to difficult lighting conditions while also offering improved control over depth of field for isolating subjects using selective-focus techniques. The 10-element, 6-group optical design includes one SLD (Super Low-Dispersion) element and two aspherical elements, reducing both spherical and chromatic aberrations for greater sharpness, clarity, and color accuracy. Sigma’s Super Multi-Layer Coating combats flare and ghosting for contrasty, color-neutral images, and a rounded 9-blade diaphragm contributes to smooth, pleasing bokeh.
Autofocus is handled by a stepping motor paired with an inner-focusing design, delivering fast, smooth, and nearly silent operation well suited to both stills and video, with full compatibility for Sony’s Fast Hybrid AF system, including precise face-recognition and Eye AF tracking as a subject moves during a shoot.
Build quality uses a Thermally Stable Composite construction along with a brass bayonet mount for enhanced durability, described by Sigma as dust- and splash-resistant. The lens has a minimum focusing distance of 1.64 ft. (50cm), yielding a maximum reproduction ratio of approximately 1:7.4 (0.135x magnification), and accepts a 55mm filter thread. It’s notably compact, measuring approximately 2.62 x 2.34 in. (66.5 x 59.5mm) and weighing approximately 9.88 oz. (280g), the smallest lens in Sigma’s f/1.4 DC DN lineup. The lens does not include image stabilization.
As an APS-C-specific lens, the Sigma 56mm 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.
Key Features
– 56mm f/1.4 portrait-length prime lens (Contemporary series) for Sony APS-C E-mount
– 84mm full-frame-equivalent focal length
– 10 elements in 6 groups, including 1 SLD element and 2 aspherical elements
– Super Multi-Layer Coating
– Stepping motor autofocus with inner-focusing design
– Full compatibility with Sony Fast Hybrid AF, Face/Eye AF tracking
– Rounded 9-blade diaphragm
– Thermally Stable Composite construction with brass bayonet mount
– Dust- and splash-resistant
– Minimum focusing distance of 1.64 ft. (50cm); approximately 1:7.4 magnification
– 55mm filter thread
– No image stabilization
– Compact, lightweight design (approximately 280g)
– Designed exclusively for Sony APS-C E-mount mirrorless cameras

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