Sigma 20mm F1.4 DG DN | Art - L-Mount

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The SIGMA 20mm F1.4 DG DN | Art is a wide-angle, ultra-wide-aperture prime that is perfect for astrophotography. Available in L-Mount and Sony E-mount, it delivers outstanding Art-line optical quality and offers a range of advanced features. As well as being very well-suited to astro, the 20mm F1.4 is an ideal optic for landscapes, interiors and a range of other wide-angle applications.

Sigma AF 20mm F1.4 DG DN Art Key Features
- Wide-Angle Full-Frame Prime
- E-Mount/Full-Frame Format
- Aperture Range: f/1.4 to f/16
- 17 elements in 15 groups
- Minimum Focus Distance: 0.23m
- Rounded 11-Blade Diaphragm
- Dust and Splash-Proof Structure
- Filer Size: 82mm
- Weight: 635g

Weighing in at just 635g, the lens is significantly lighter and more portable than Sigma''s existing 20mm F1.4, and introduces a number of important features including a manual aperture ring with de-click and lock functionality, a front filter thread and rear filter holder, a Lens Heater Retainer to hold a heat strip in position, and an all-new Manual Focus Lock switch to fully deactivate the focus ring.

The optical performance of the lens is exceptional, with ultra-sharp results across the entire frame even at F1.4, and very well controlled sagittal coma flare - essential for astrophotography. The bright aperture is perfect for night sky landscapes, as well as for hand-held low-light shooting and for achieving a shallow depth-of-field.

This superb image quality, compact form-factor and advanced feature-set, combined with a beautifully constructed body, make for a versatile, high-performance optic that will enable photographers to unleash their creative potential and start achieving wide-angle images with impact.

AF 20mm Lens
Case
Petal-type lens hood with lock (LH878-04)
Front Cap (LCF-82 III)
Rear Cap (LCR II)
Filter Holder
Guide Plate (GP-21)

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