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
Camera Index Score
0.0
Overall
Sentiment
3.3Based on user reviews and professional ratings
Specifications
5.5Optical and physical characteristics
Build Quality
6.5Materials and construction
Where to Buy
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Specifications
Optics
Focal Length20 mm
Aperturef/1.8
Min. Focus Distance0.2 m
Aperture Blades9
Dimensions
Weight520 g
Length87 mm
Diameter88.5 mm
Filter Thread82 mm
Compatibility
Mount
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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.