Sigma 20mm f/1.4 DG DN Art Lens for Sony E

Sigma 20mm Art Sony Focal Length and Aperture:

The sigma 20mm Art Sony has a fixed focal length of 20mm, making it a wide-angle lens suitable for various applications, including landscape, architecture, and astrophotography. The Sigma 20mm Art Sony’s large maximum aperture of f/1.4 allows for excellent low-light performance and creative depth of field control.

Art Series:

The lens is part of Sigma’s Art series, known for delivering high optical performance and image quality. The Art designation indicates a focus on professional and artistic applications.

DG and DN Designations:

The “DG” designation indicates that the lens is designed for full-frame cameras, while the “DN” designation indicates it is designed for mirrorless cameras. In this case, it is for Sony E-mount mirrorless cameras.

Advanced Optical Design:

The lens likely features advanced optical elements, coatings, and design to minimize aberrations, distortions, and flare, resulting in sharp and high-contrast images.

Dual Focus System:

The lens may feature a dual focus system, incorporating a high-speed autofocus (AF) mechanism for general shooting and a manual focus (MF) system for precise control.

Rounded Aperture Blades:

The lens includes rounded aperture blades, contributing to smooth and pleasing bokeh in out-of-focus areas.

Weather-Sealed Construction:

Sigma lenses often come with weather-sealed construction, protecting against dust and moisture. This is particularly useful for outdoor photography.

Built-In Lens Hood:

The lens may include a built-in lens hood to help reduce lens flare and protect the front element.

Focus Ring with Manual Override:

The lens likely has a focus ring that allows manual focusing, providing users with control over the focus point.