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Sigma 20mm F1.4 DG DN Art (L-Mount) Lens

Sigma 20mm F1.4 DG DN Art (L-Mount) Lens

Highlights: • L-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
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SIGMA 20mm F1.4 DG DN | Art, the World’s First and Only 20mm F1.4 Lens Designed Exclusively for Mirrorless
Sigma 20mm F1.4 DG DN Art (L-Mount) Lens
Product Code: L-Mount
Barcode/EAN: 0085126414696
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The F1.4 series represents the SIGMA Art line, which pursues the highest optical performance and rich expression. The full-frame SIGMA 20mm F1.4 DG DN | Art is a mirrorless version of the SIGMA 20mm F1.4 DG HSM | Art; the one and only lens* with its unique specification of maximum aperture of 1.4 and an ultra-wide angle of 20mm. This lens offers photographers overwhelming optical performance and unlimited potential for ultra wide-angle creativity at a compact physical size. The exceptional F1.4 brightness and the breathtaking sharpness across the entire image even at maximum aperture make this lens the ultimate choice for astrophotography. In nightly darkness and focused to infinity, the 20mm F1.4 DG DN | Art captures stars in the sky as clear, precise pinpoints of light. State-of-the-art optical design and the large, high-precision double-sided aspheric glass front element made it possible to add a front filter thread without any compromises regarding optical performance or size. The addition of other invaluable features such as a rear filter holder and a variety of useful switches further increases the creative possibilities and easy usability of the lens. Its incredible sharpness and very bright aperture, coupled with the compact body and thoughtful features, make the SIGMA 20mm F1.4 DG DN | Art the ultimate lens for astrophotography and an ideal companion for any photographically demanding situation.

Principal specifications
Lens type Prime lens
Focal length 20 mm
Lens mount L-Mount, Sony E
Maximum aperture F1.4
Minimum aperture F16
Aperture ring Yes
Number of diaphragm blades 11
Aperture notes Rounded
Elements 17
Groups 15
Special elements / coatings Two Super-Low Dispersion elements, three aspherical elements, Super Multi-Layer coating, and water- and oil-resistant coating.
Minimum focus 0.23 m (9.06″)
Autofocus Yes
Motor type Stepper motor
Full time manual Yes
Focus method Internal
Distance scale No
DoF scale No
Weight 635 g (1.40 lb)
Diameter 88 mm (3.46″)
Length 111 mm (4.38″)
Materials Aluminum, Thermally Stable Composite (TSC)
Sealing Yes
Colour Black
Filter thread 82 mm
Filter notes Rear filter holder + front thread
Hood supplied Yes
Hood product code LH898-04
Tripod collar No