• As part of the Contemporary line within Sigma's Global Vision series, this lens is designed to achieve a balance between convenience and performance, and meshes a compact, lightweight build and versatile handling with notable optical attributes.
• Portrait-length prime is designed for APS-C-format Leica L-mount mirrorless cameras and provides an 84mm equivalent focal length.
• Bright f/1.4 maximum aperture excels in low-light conditions and also affords increased control over depth of field for achieving selective focus effects.
• One Special Low Dispersion (SLD) element reduces color fringing and chromatic aberrations in order to achieve greater clarity and color accuracy.
• Two aspherical elements are used to limit distortion and spherical aberrations and also contribute to greater overall sharpness and accurate rendering.
• A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.
• A stepping AF motor benefits both photographers and videographers with its fast, precise, and near-silent performance.
• Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.
• The bayonet mount is constructed from brass for ensured accuracy and durability. Additionally, rubber sealing is incorporated in the mount design to render it dust- and splash-resistant. 

Sigma 16Mm F/1.4 Dc Dn Contemporary Specifications:

Sigma 30Mm F/1.4 Dc Dn Contemporary Specifications:

Sigma 56Mm F/1.4 Dc Dn Contemporary Specifications:

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