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


Key Features
  • 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

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Focal Length and Aperture:

The lens has a fixed focal length of 20mm, making it a wide-angle lens suitable for various applications, including landscape, architecture, and astrophotography. The 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, providing protection 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.

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Focal Length
20mm
Maximum Aperture
f/1.4
Lens Mount
Sony E
Lens Format Coverage
Full-Frame
Focus Type
Autofocus
Image Stabilization
No
Filter Size
82 mm (Front)
Gel Filter (Rear)
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
Packaging Info
Package Weight
2.565 lb
Box Dimensions (LxWxH)
9.4 x 6 x 5.9″

Brand

Sigma

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