Sigma 20mm f/2 DG DN Contemporary Lens for Leica L-Mount & Panasonic Mirrorless
Product Overview
The Sigma 20mm f/2 DG DN Lens is a high-performance ultra-wide-angle prime lens from Sigma’s I-Series, designed for Leica L-Mount and Panasonic full-frame mirrorless cameras.
With a 20mm focal length and a bright f/2 aperture, this lens is perfect for landscape, architecture, astrophotography, street, and travel photography. Its compact and lightweight design combined with advanced optical engineering ensures sharp, high-contrast images with minimal distortion, making it ideal for photographers seeking premium results in a portable form factor.
Key Features & Benefits
🔹 Compact & Premium Build
All-metal construction in silver for professional aesthetics and durability.
Lightweight at 505 g, ideal for handheld, travel, and walkaround photography.
Features a manual aperture ring and magnetic lens cap for convenience.
🔹 Superior Optical Performance
Optical design: 13 elements in 11 groups, including aspherical and SLD elements for exceptional sharpness.
Wide f/2 maximum aperture for low-light performance and creative depth-of-field.
Super Multi-Layer Coating minimizes flare, ghosting, and chromatic aberration.
🔹 Ultra-Wide-Angle Perspective
20mm focal length delivers expansive landscapes, architecture, interiors, and night skies.
Minimal distortion and edge-to-edge sharpness for professional-quality images.
Perfect for environmental portraits, creative wide-angle shots, and cinematic video.
🔹 Fast & Silent Autofocus
Stepping Motor (STM) provides quiet, accurate autofocus for stills and video.
Internal focusing keeps lens length constant during operation.
Optimized for Leica L-Mount and Panasonic full-frame mirrorless systems.
🔹 Durable & Weather-Sealed
Compact and portable design for travel, street, and landscape photography.
Weather-sealed lens mount ensures reliable performance in all conditions.
Perfect for adventurous outdoor photography.
Technical Specifications
Specification | Details |
---|---|
Mount | Leica L-Mount / Panasonic Full-Frame Mirrorless |
Focal Length | 20mm |
Maximum Aperture | f/2 |
Minimum Aperture | f/22 |
Optical Design | 13 elements in 11 groups |
Special Elements | Aspherical, SLD |
Diaphragm | 9 Rounded Blades |
Minimum Focus Distance | 24 cm |
Maximum Magnification | 0.19× |
Filter Size | 82 mm |
Dimensions | Ø87 mm × 124 mm |
Weight | 505 g |
Coating | Super Multi-Layer |
Extras | Magnetic Cap, All-Metal Build, Weather-Sealed Mount |
Why Choose Sigma 20mm f/2 DG DN for Leica L & Panasonic?
Ultra-wide 20mm focal length for landscapes, architecture, interiors, and astrophotography.
Compact and lightweight for daily carry, travel, and handheld shooting.
Premium all-metal construction ensures durability and professional feel.
Optimized for Leica L-Mount and Panasonic full-frame mirrorless cameras.
Perfect For
✔️ Landscape & Nature Photography
✔️ Architecture & Interior Photography
✔️ Street & Travel Photography
✔️ Astrophotography & Night Sky Photography
✔️ Environmental & Creative Portraits
SEO Keywords to Target
Sigma 20mm f/2 DG DN L-Mount Panasonic
Sigma 20mm wide-angle lens Leica L-Mount
Compact Sigma 20mm prime lens for Panasonic mirrorless
Best ultra-wide lens for L-Mount mirrorless cameras
Sigma 20mm f/2 DG DN review
Lightweight wide-angle Sigma lens Leica/Panasonic
SEO-Optimized Meta Title & Description

Meta Title (65 chars):
Sigma 20mm f/2 DG DN Lens for Leica L-Mount & Panasonic Mirrorless
Meta Description (158 chars):
Shop Sigma 20mm f/2 DG DN Lens for Leica L-Mount & Panasonic Mirrorless. Compact, lightweight, ultra-wide — perfect for landscapes, architecture, travel, and astrophotography.
✅ This content is fully optimized for Google SEO, structured for A+ product pages, and highlights key features, technical specs, and buying triggers for professional and enthusiast photographers.