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- L-Mount Lens/Full Frame Format
- Aperture Range: f/1.4 to f/16
- Two SLD Elements
- Three Aspherical Elements
An ultrawide Leica L-mount prime, the Sigma 20mm f/1.4 DG DN Art Lens offers incredible imaging performance from corner to corner, with a large maximum aperture that makes it ideal for use in low-light environments, particularly under dark skies where its new features are especially useful. Always an excellent choice for landscape and architecture, this lens is equipped with newly updated functions especially useful for astrophotographers.