Sigma 20mm F1.4 DG HSM Art

Canon EF

Review

The Sigma 20mm F1.4 DG HSM Art lens for Canon EF mount is a high-quality ultra-wide-angle lens that has earned a reputation among both amateur and professional photographers for its outstanding optical performance and robust build. It's particularly favored for landscape, astrophotography, and architectural photography due to its fast aperture and outstanding sharpness.

Optical Performance

One of the standout features of the Sigma 20mm F1.4 DG HSM Art lens is its exceptional optical quality. With a fast maximum aperture of F1.4, this lens provides impressive low-light performance and a beautiful bokeh, making it ideal for capturing sharp images in challenging lighting conditions. The lens is constructed with premium materials and incorporates advanced optical technologies, including special low-dispersion glass elements that help to minimize chromatic aberration. The result is a lens that delivers stunning image clarity, vibrant colors, and outstanding contrast even at wide-open apertures.

Build Quality

The build quality of the lens is another area where Sigma has excelled. The lens features a robust, weather-sealed construction, which is particularly beneficial for outdoor photographers who need to work in varying weather conditions. The lens is solidly built, giving it a premium feel in the hands. The focus ring is smooth and well-damped, making manual focusing a breeze, especially important when working in critical situations like astrophotography.

Autofocus Performance

The autofocus system on the Sigma 20mm F1.4 DG HSM Art is generally fast and accurate, thanks to the Hyper Sonic Motor (HSM) technology employed by Sigma. This makes it suitable for a variety of shooting scenarios including event photography and quick candid shots. However, in low-light conditions, the autofocus may struggle slightly compared to some of the other lenses in its class, requiring manual adjustments on occasion.

Size and Weight

While this lens packs a punch in terms of performance, it is relatively large and heavy compared to other wide-angle options. Weighing in at just over 1.6 pounds (around 730 grams), it may not be the best choice for photographers who prioritize portability. If you're packing light for a hike or travel, this factor can become a significant consideration.

Pros and Cons

Pros

• Exceptional sharpness and optical quality throughout the aperture range.
• Fast F1.4 maximum aperture for low-light performance and shallow depth of field.
• Solid build quality with weather-sealing.
• Smooth manual focus ring for precision adjustments.
• Versatile for various photography disciplines, including landscapes, architecture, and astrophotography.

Cons

• Larger and heavier than some competitors in the same category.
• Autofocus can occasionally struggle in low-light conditions.
• Price may be higher compared to basic wide-angle lenses.

Verdict

Overall, the Sigma 20mm F1.4 DG HSM Art lens for Canon EF is a fantastic choice for photographers looking for high-quality optical performance and solid construction. While it may be larger and pricier than other wide-angle options, its exceptional sharpness, build quality, and versatility justify the investment. It stands out as an excellent tool for serious photographers, especially those focused on wide-angle photography in various environments. If you’re ready to carry a bit of extra weight for stunning images, this lens will not disappoint.