Sigma 20mm f1.4 DG HSM Art Lens for Sony E

Sigma 20mm f/1.4 DG HSM | Art Lens – Sony E-Mount

The Sigma 20mm f/1.4 DG HSM | Art is a professional-grade wide-angle prime lens for full-frame Sony E-mount mirrorless cameras. Known for its outstanding optical performance, this fast f/1.4 prime is the ultimate tool for landscape, astrophotography, architecture, and low-light photography.

As part of Sigma’s acclaimed Art series, the lens is engineered for photographers and creators who demand exceptional image quality and creative versatility.

Key Features

• Full-Frame Coverage – Designed for Sony E-mount full-frame, with 30mm equivalent focal length on APS-C.

• Bright f/1.4 Aperture – Perfect for low-light shooting and shallow depth-of-field effects.

• Premium Optics – 15 elements in 11 groups, including:

  • 2 FLD (“F” Low Dispersion) elements

  • 5 SLD (Special Low Dispersion) elements

  • 2 Aspherical elements

• Super Multi-Layer Coating – Reduces flare and ghosting for contrast-rich, colour-accurate images.

• Hyper Sonic Motor (HSM) – Fast, quiet, and smooth autofocus with full-time manual override.

• Rounded 9-Blade Diaphragm – Creates soft, natural bokeh.

• Durable Construction – Thermally Stable Composite (TSC) material with brass bayonet mount.

• Built-In Petal Lens Hood – Protects the front element and reduces unwanted flare.

Outstanding Optical Performance

With a sophisticated optical design of 15 elements in 11 groups, the 20mm f/1.4 Art lens controls chromatic aberration, distortion, and vignetting across the frame. Edge-to-edge sharpness is maintained even at the widest aperture, making it a favourite for:

• Astrophotography – Capture starscapes with minimal distortion and pinpoint clarity.

• Architecture & Interiors – Achieve clean lines and reduced distortion in wide spaces.

• Landscapes – Render expansive scenes with stunning sharpness and rich colour.

The Super Multi-Layer Coating further enhances image quality by reducing flare and ghosting in backlit conditions.

Fast & Reliable Autofocus

The built-in Hyper Sonic Motor (HSM) delivers fast, quiet, and accurate focusing, perfect for both stills and video. Full-time manual focus override is available simply by rotating the focus ring, giving photographers total creative control when needed.

Built for Professional Use

• Thermally Stable Composite (TSC) construction – Maintains precision across temperature changes.

• Brass bayonet mount – Ensures long-term durability and secure fit.

• Integrated petal-shaped hood – Blocks stray light and provides extra protection.

Every element of the lens is designed for reliability and professional performance, from field work to studio shoots.

Specifications

• Lens Construction: 15 elements in 11 groups

• Angle of View: 94.5°

• Aperture Range: f/1.4 to f/16

• Diaphragm Blades: 9 (rounded)

• Minimum Focus Distance: 27.6 cm (10.9")

• Maximum Magnification Ratio: 0.14x

• Filter Thread: None (built-in hood)

• Dimensions (Diameter × Length): Ø90.7mm × 129.8mm

• Weight: 950g

• Mount: Sony E-Mount (full-frame compatible)

✨ The Sigma 20mm f/1.4 DG HSM | Art for Sony E-Mount is the ultimate wide-angle prime – sharp, fast, and built for professionals who demand the best.