Sigma 20mm F2 DG DN | C – Sony E – Refurbished

Sigma 20mm F2 DG DN | Contemporary Lens for Sony E (Refurbished)

The Sigma 20mm F2 DG DN | Contemporary is a premium ultra-wide-angle prime lens that combines exceptional optical performance with a compact, all-metal design. Supplied as a Genuine Sigma Refurbished product, it delivers superb edge-to-edge sharpness, a bright F2 maximum aperture, and outstanding portability for photographers and filmmakers using Sony E-mount full-frame mirrorless cameras.

Part of Sigma’s acclaimed I Series, the 20mm F2 is ideal for landscapes, architecture, interiors, astrophotography, travel, street photography and environmental portraits. Compact, beautifully built and highly capable, it offers professional image quality in a lens that is easy to carry every day.

Why You’ll Love It

• Genuine Sigma Refurbished product

• Sony E Mount

• Compact full-frame ultra-wide prime

• Bright F2 maximum aperture

• Premium all-metal I Series construction

• Fast, quiet stepping motor autofocus

• Manual aperture ring

• Focus mode switch

• Dust and splash-resistant mount

• Nano Porous Coating and Super Multi-Layer Coating

• Magnetic metal lens cap included

Exceptional Wide-Angle Performance

The Sigma 20mm F2 DG DN | Contemporary delivers superb sharpness from the centre of the frame right through to the corners.

Its advanced optical design includes:

• 13 elements in 11 groups

• 1 FLD element

• 1 SLD element

• 3 precision aspherical elements

This construction helps minimise chromatic aberration, distortion and sagittal coma flare while maintaining excellent contrast and clarity.

Perfect for Astrophotography

The lens is particularly well suited to night sky photography thanks to its excellent control of sagittal coma flare.

Stars remain crisp and well-defined across the frame, making it ideal for:

• Astrophotography

• Nightscapes

• Milky Way photography

• Aurora photography

• Long-exposure landscapes

The bright F2 aperture also helps gather more light when shooting in dark conditions.

Premium I Series Build Quality

As part of Sigma’s premium I Series, this lens offers a refined shooting experience with a beautifully engineered all-metal body.

Features include:

• Metal focus ring

• Manual aperture ring

• Metal lens hood

• Magnetic metal lens cap

• Precision brass bayonet mount

• Compact mirrorless-optimised design

Every control feels solid, precise and satisfying to use.

Fast and Quiet Autofocus

A responsive stepping motor provides smooth, quiet and accurate autofocus for both stills and video.

Ideal for:

• Street photography

• Travel photography

• Video recording

• Eye AF

• Face Detection AF

• Continuous autofocus

The internal focus design also keeps the lens balanced during operation.

Advanced Coatings for Clean Results

Sigma’s Nano Porous Coating and Super Multi-Layer Coating help reduce flare, ghosting and internal reflections.

This makes the lens highly effective when shooting:

• Backlit scenes

• Sunsets

• City lights

• Interiors with mixed lighting

• Strong contrast scenes

The result is clearer images with strong contrast and natural colour.

Compact and Travel Friendly

Despite its ultra-wide focal length and strong optical performance, the Sigma 20mm F2 remains impressively portable.

At 370g, it is easy to carry all day and balances beautifully on Sony E-mount mirrorless cameras, making it a superb choice for travel, hiking and everyday creative shooting.

Key Specifications

Product Line: Sigma Contemporary (I Series)

Lens Type: Ultra-Wide Prime

Mount: Sony E

Sensor Format: Full Frame

Focal Length: 20mm

Maximum Aperture: F2

Minimum Aperture: F22

Optical Construction: 13 Elements in 11 Groups

Special Elements: 1 FLD, 1 SLD, 3 Aspherical

Angle of View: 94.5

Diaphragm Blades: 9 Rounded

Minimum Focus Distance: 22cm

Maximum Magnification: 1:6.7

Filter Thread: 62mm

Dimensions: 70 74.4mm

Weight: 370g

Included Accessories

• Magnetic Metal Lens Cap

• Metal Lens Hood

• Front Lens Cap

• Rear Lens Cap

Genuine Sigma Refurbished

This lens is supplied as a Genuine Sigma Refurbished product, professionally inspected, tested and certified by Sigma to ensure it meets the company’s exacting standards for optical performance, reliability and cosmetic condition.

It offers the premium build quality, outstanding image quality and refined handling of Sigma’s I Series while representing excellent value for Sony E-mount photographers.

Ideal For

• Landscape Photography

• Astrophotography

• Nightscapes

• Architecture

• Interior Photography

• Travel Photography

• Street Photography

• Environmental Portraits

• Documentary Photography

• Video Production

• Vlogging

• Everyday Creative Photography