User manual
Sigma 12-24mm f 4 DG HSM

User Manual for Sigma 12-24mm f 4 DG HSM Art Lens for Sigma SA

• Product category: SLR Lenses Sigma
• Brand: Sigma
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Sigma SLR Lenses

Product description

• As part of the Art line within Sigma's Global Vision series, this lens' is designed to achieve truly notable optical performance and is ideally suited for creative and artistic applications.

• This wide-angle 12-24mm f/4 zoom lens is designed for full-frame format Sigma SA-mount cameras, and can also be used with APS-C models where it will provide a 18-36mm equivalent focal length.

• Constant f/4 maximum aperture provides consistent performance throughout the zoom range.

• F Low Dispersion and aspherical elements, including an 80mm large-diameter molded glass aspherical element, have been incorporated within the lens design to correct for chromatic aberrations throughout the entire focusing range and help to ensure high image sharpness, clarity, and contrast regardless of focus point or aperture setting. This optical design also helps to control distortion and limit vignetting.

• 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.

• The integrated HSM (Hyper Sonic Motor) realizes quick and quiet autofocusing, which is further complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also permits full-time manual focus control simply by rotating the focus ring at any time.

• Minimum focus distance of 9.4" when shooting at 24mm for getting close to your subjects.

• A rounded nine-blade diaphragm helps to produce an attractive out-of-focus quality.

• The lens is constructed using a Thermally Stable Composite (TSC) material, along with traditional metals, for greater precision and use in wide temperature variations.

• The bayonet mount is constructed from brass for ensured accuracy and durability.

• Dust- and splash-proof construction with rubber sealing to protect the mount and a water- and oil-repellent coating on the front and rear elements.

• This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.

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Technical parameters

Sigma 12-24mm f/4 DG HSM Art Specs

Focal Length	12 to 24mm
Maximum Aperture	f/4
Minimum Aperture	f/22
Lens Mount	Sigma SA
Format Compatibility	Full-Frame
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