Sigma 20mm F1.4 DG DN | A Lens - Sony E

Sigma 20mm F1.4 DG DN | A Lens - Sony E

The SIGMA 20mm F1.4 DG DN | Art is a wide-angle, ultra-wide-aperture prime that is perfect for astrophotography.

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.

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.

The SIGMA 20mm F1.4 DG DN | Art delivers highly detailed results that easily satisfy the demands of professional photographers and film-makers.

The lens is constructed with 17 elements arranged in 14 groups, including two SLD elements and three aspherical elements, one of which is the largest double-sided aspherical element ever produced by Sigma.

This advanced optical design rigorously suppresses a range of optical aberrations, such as sagittal coma flare and chromatic aberration, and ensures pin-sharp results right across the frame even wide-open at F1.4.

Key Features:

• Lens construction: 17 elements in 15 groups, with 2 FLD and 3 aspherical elements
• Internal focus system
• Compatible with high-speed autofocus
• Stepping Motor
• Compatible with Lens Aberration Correction
• Support for DMF and AF+MF
• Compatible with AF Assist (Sony E-mount only)
• Super Multi-Layer Coating
• Nano Porous Coating
• Water- and oil-repellent coating
• Focus Mode Switch
• Lens Heater Retainer

• Lens construction: 17 elements in 15 groups, with 2 FLD and 3 aspherical elements
• Compatible with high-speed autofocus
• Stepping Motor
• Compatible with Lens Aberration Correction

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