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Sigma 20 mm f/1.8 EX DG Aspherical RF - 20 mm f/1.8

Sigma

Lenses

20 mm f/1.8 EX DG Aspherical RF

20 mmf/1.8Canon EF, Nikon F, Pentax K, Sigma, Sony A

Prime

Full Frame

About
Where to Buy
Specifications
Comparison
FAQ

About This Lens

Sigma 20 mm f/1.8 EX DG Aspherical RF is a wide angle lens with a 20 mm focal length and f/1.8 aperture for Canon EF and Nikon F and Pentax K and Sigma and Sony A cameras. With fast autofocus, this lens offers reliable performance in various conditions. Weighing 520 g measuring 87 mm in length, it's a well-balanced option for landscape, architecture, and environmental photography.

Key Features

20 mm focal length
f/1.8 aperture
Fast and accurate autofocus system
0.2 m minimum focus distance
9-blade aperture for smooth bokeh

Best For

Landscape photography

Architecture and interior shots

Astrophotography

Low-light photography

Indoor events without flash

Camera Index Score

0.0

Overall

Sentiment

3.3

Based on user reviews and professional ratings

Specifications

5.5

Optical and physical characteristics

Build Quality

6.5

Materials and construction

Where to Buy

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Specifications

Optics

Focal Length: 20 mm
Aperture: f/1.8
Min. Focus Distance: 0.2 m
Aperture Blades: 9

Compatibility

Mount: Canon EF, Nikon F, Pentax K, Sigma, Sony A
Sensor Format: Full Frame
Type: Wide angle

Features

Autofocus: Yes
Image Stabilization: No
Weather Sealed: No

Dimensions

Weight: 520 g
Length: 87 mm
Diameter: 88.5 mm
Filter Thread: 82 mm

Build & Info

Release Year: 2000

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Frequently Asked Questions

Does the Sigma 20 mm f/1.8 EX DG Aspherical RF have autofocus?: Yes, the Sigma 20 mm f/1.8 EX DG Aspherical RF features a fast and accurate autofocus system.
Does the Sigma 20 mm f/1.8 EX DG Aspherical RF have image stabilization?: No, the Sigma 20 mm f/1.8 EX DG Aspherical RF does not have built-in image stabilization.
Is the Sigma 20 mm f/1.8 EX DG Aspherical RF weather sealed?: No, the Sigma 20 mm f/1.8 EX DG Aspherical RF is not weather sealed.
What cameras is the Sigma 20 mm f/1.8 EX DG Aspherical RF compatible with?: The Sigma 20 mm f/1.8 EX DG Aspherical RF is designed for Canon EF and Nikon F and Pentax K and Sigma and Sony A cameras.
How much does the Sigma 20 mm f/1.8 EX DG Aspherical RF weigh?: The Sigma 20 mm f/1.8 EX DG Aspherical RF weighs 520 grams.
What is the Sigma 20 mm f/1.8 EX DG Aspherical RF best used for?: The Sigma 20 mm f/1.8 EX DG Aspherical RF with its 20 mm focal length is best suited for landscape, architecture, and environmental photography.
What is the minimum focus distance of the Sigma 20 mm f/1.8 EX DG Aspherical RF?: The Sigma 20 mm f/1.8 EX DG Aspherical RF has a minimum focus distance of 0.2 meters, allowing for close-up photography.

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