Sigma

Sigma 20mm F2.0 DG DN C Sony E-Mount Lens

4.7 (14 reviews)

Embrace the World in a Wider View The Sigma 20mm F2.0 DG DN Contemporary lens for Sony E-mount cameras is the perfect blend of compact design and exceptional image quality. Its ultra-wide angle perspective captures stunning landscapes and immersive astrophotography shots, all within a durable, a...

$699.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Embrace the World in a Wider View

The Sigma 20mm F2.0 DG DN Contemporary lens for Sony E-mount cameras is the perfect blend of compact design and exceptional image quality. Its ultra-wide angle perspective captures stunning landscapes and immersive astrophotography shots, all within a durable, all-metal body that's ready for any adventure.

  • Body Material: All metal
  • Focal Length: 20mm
  • Mount: Sony E Mount
  • Features: Ultra Wide Angle
  • Durability: Dust and Splash Resistant

Key Features

All metal body

Ultra wide angle

dust and splash resistant

Specifications

Brand
Sigma
Focal Length
20mm
Aperture
F2.0
Mount Type
Sony E-Mount
Construction Material
All metal
Weather Resistance
Dust and splash resistant

Pros & Cons

👍 Pros

  • Features an ultra-wide angle focal length, ideal for expansive landscape and architectural photography.
  • Constructed with an all-metal body, providing a durable and premium feel during use.
  • Offers dust and splash resistance, enhancing its suitability for outdoor and challenging shooting conditions.
  • Designed for Sony E-Mount cameras, ensuring seamless integration and electronic communication.
  • The f/2.0 maximum aperture allows for excellent low-light performance and creative depth of field control.

👎 Cons

  • The ultra-wide 20mm focal length may not be versatile enough for all types of photography, requiring additional lenses for other perspectives.
  • While dust and splash resistant, it is not fully waterproof, so care is still needed in extreme wet conditions.
  • The all-metal construction, while durable, might contribute to a heavier feel compared to lenses with more plastic components.
  • The lens is designed specifically for Sony E-Mount, limiting its use with other camera systems.
  • A fixed focal length lens means there is no zoom capability, requiring the photographer to physically move to adjust framing.

Frequently Asked Questions

Yes, the Sigma 20mm F2.0 DG DN C lens features a dust and splash-resistant construction, making it suitable for use in challenging weather conditions.
This lens is designed for Sony E-Mount cameras, ensuring compatibility with Sony mirrorless systems.
The lens features an all-metal body construction, contributing to its durability and premium feel.
An ultra-wide angle lens like this 20mm option is excellent for capturing expansive landscapes, architectural scenes, and interiors where a broad field of view is desired.
No, this lens has a fixed maximum aperture of F2.0, providing consistent light-gathering capability across all shots.