Item Includes

• Sigma 20mm f/1.4 DG DN Art Lens (Leica L Mount)
• Front & Rear Lens Caps
• Lens Hood
• Sigma 4-Year Warranty

Item Description (Overview)

The Sigma 20mm f/1.4 DG DN Art lens for Leica L-mount is a professional ultra-wide prime designed for full-frame mirrorless cameras. It delivers exceptional sharpness, a bright f/1.4 aperture, and outstanding low-light performance, making it ideal for landscapes, architecture, interior work, and astrophotography. Engineered for edge-to-edge clarity with strong control over distortion and coma flare, it is a high-performance lens built for demanding creative use.

Features

• Ultra-wide 20mm focal length
• Bright f/1.4 aperture for low light and subject isolation
• Designed for Leica L-mount full-frame mirrorless cameras
• Exceptional edge-to-edge sharpness and contrast
• Optimized for astrophotography with reduced coma flare
• Manual Focus Lock switch for long exposure stability
• Smooth, accurate autofocus performance
• Durable brass mount construction
• Compatible with 82mm front filters and rear gel filters

Specifications

• Focal Length: 20mm
• Aperture Range: f/1.4 to f/16
• Lens Mount: Leica L
• Format: Full-Frame
• Angle of View: 94.5°
• Minimum Focus Distance: 9.1 in (23 cm)
• Magnification: 0.16x
• Optical Construction: 17 elements in 15 groups
• Diaphragm Blades: 11 (rounded)
• Autofocus: Yes (STM motor)
• Filter Size: 82mm front + rear gel filter holder
• Weight: 22.2 oz (630 g)