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An ultrawide Sony E-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.
E-Mount Lens/Full Frame Format
Aperture Range: f/1.4 to f/16
Two SLD Elements
Three Aspherical Elements
Super Multilayer Coating
Stepping AF Motor, MFL Switch
Rounded 11-Blade Diaphragm
82mm Front Filter Thread
Rear Filter Holder
Durable Brass Bayonet Mount
Sigma 20mm F/1.4 DG DN ART Specs
Focal Length 20mm
Maximum Aperture f/1.4
Minimum Aperture f/16
Lens Mount Sony E
Lens Format Coverage Full-Frame
Angle of View 94.5°
Minimum Focus Distance 9.1" / 23 cm
Maximum Magnification 0.16x
Macro Reproduction Ratio 1:6.1
Optical Design 17 Elements in 15 Groups
Diaphragm Blades 11, Rounded
Focus Type Autofocus
Image Stabilization No
Filter Size 82 mm (Front)
Gel Filter (Rear)
Dimensions (ø x L) 3.5 x 4.4" / 87.8 x 113.2 mm
Weight 22.2 oz / 630 g
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