Sigma 20mm f1.4 DG DN Art Lens - Sony FE

Sigma 20mm F1.4 DG DN | Art – Sony E Mount (FE)

Ultra-Fast · Ultra-Sharp · Ultra-Wide

The Sigma 20mm F1.4 DG DN | Art is the ultimate full-frame ultra-wide-angle prime lens for Sony E-mount mirrorless cameras. With its fast F1.4 aperture, advanced optical design, and professional-grade features, it’s the perfect lens for landscapes, astrophotography, interiors, weddings, travel, and architecture.

Delivering exceptional sharpness, minimal distortion, and outstanding low-light performance, this lens gives creators the tools to capture every detail – from star-filled skies to expansive interiors and dramatic portraits with beautifully blurred backgrounds.

Key Features

• Full-frame coverage with 20mm ultra-wide focal length

• Bright F1.4 maximum aperture – perfect for low light & shallow depth-of-field

• Advanced optics: 17 elements in 15 groups with 2 SLD + 3 aspherical elements

• Includes Sigma’s largest-ever double-sided aspherical element

• Professional features: de-clickable aperture ring, AFL button, Manual Focus Lock, lockable lens hood, Lens Heater Retainer

• Dual filter options: 82mm front filter thread + rear filter holder

• Internal focusing design – stable balance for gimbals

• Dust- and splash-resistant brass mount for durability

• Compact and lightweight – only 635g

Professional Build Quality

As part of Sigma’s renowned Art line, the 20mm F1.4 DG DN is crafted for professionals who demand reliability and premium handling.

• Thermally Stable Composite (TSC) construction ensures consistent performance in changing temperatures.

• Internal focusing keeps the lens length constant, ideal for gimbal setups.

• Rubberised focus ring for smooth, precise manual control.

• Aperture ring with click/de-click switch and lock for intuitive operation.

• Petal-type hood with lock reduces flare and protects the front element.

• Weather sealing with a rubber gasket for confidence outdoors.

Advanced Feature Set

Designed for flexibility across both photography and video:

• Customisable AFL button – assign camera functions for quicker shooting.

• AF/MF switch for instant focus control.

• Manual Focus Lock (MFL) – locks focus to prevent accidental shifts.

• Lens Heater Retainer – perfect for astrophotographers needing anti-fog setups.

• Rear filter holder with included template for gel filters.

Optical Excellence

The Sigma 20mm F1.4 DG DN | Art ensures unrivalled image quality across the entire frame:

• Ultra-sharp results from centre to edge, even wide open at F1.4.

• Sagittal coma flare suppression – essential for pin-point star rendering.

• Chromatic aberration, distortion, and vignetting are virtually eliminated.

• Advanced coatings minimise ghosting and flare, producing vibrant colour and deep contrast.

Perfect for nightscapes, city lights, and backlit scenes, the lens delivers results you can trust in the most challenging conditions.

Creative Possibilities

• Astrophotography: Fast aperture and coma control for detailed, distortion-free stars.

• Environmental portraits: Wide perspective with shallow depth-of-field for creative storytelling.

• Close-up shooting: 23cm minimum focus distance and 1:6.1 magnification ratio allow dramatic close perspectives with beautiful bokeh.

Specifications

• Lens Construction: 17 elements in 15 groups

• Angle of View: 94.5°

• Diaphragm Blades: 11 (rounded)

• Maximum Aperture: F1.4

• Minimum Aperture: F16

• Minimum Focusing Distance: 23cm

• Maximum Magnification Ratio: 1:6.1

• Filter Thread: 82mm

• Dimensions: ø87.8mm × 111.2mm

• Weight: 635g

• Mounts Available: L-Mount | Sony E

Sony E barcode: 00-85126-414658
L-Mount barcode: 00-85126-414696

Why Choose the Sigma 20mm F1.4 DG DN | Art?

This lens is a must-have ultra-wide prime for creators who demand speed, sharpness, and versatility. With its combination of professional optics, robust build, and intelligent design, it’s the perfect tool for capturing everything from sweeping landscapes to low-light astro shots and creative environmental portraits.