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Every photographer’s kit needs to include both a wide and ultra-wide lens. These lenses provide the flexibility to shoot a variety of subjects such as portraits, landscapes, astrophotography, and food. Wide lenses provide a unique and fresh way to portray subjects and are a great way to shoot contextual scenes that emphasize foreground elements. New to the market in 2018 is the Sigma 14-24mm f2.8 DG Art Series Lens.
It provides a constant fast f/2.8 aperture and a zoom that transforms your field of view from wide (84.1 degrees) to ultra-wide (114.2 degrees). I took this lens for a test-drive to give you a glimpse of its performance.
I will save my very positive overall numerical rating for the end. So let’s get into some of the nitty-gritty findings of this functional and flexible piece of glass.
There’s always a thrill the first time you unroll a lens from its packaging and lift it from the box. I immediately noticed the weight of the lens (officially ~40oz; 1,150g) giving it a quality feel. The metal construction of this lens is on display and the only plastic parts are the lens cover and lens hood.
I was struck by the large size of the lens – it is much larger than my Sigma 24mm f/1.4. However, this makes sense as the extra size is necessary to accommodate the zoom from 14-24 mm. Overall my first impressions on the look and feel of this lens were excellent.
Sigma did not cut any corners when constructing this lens. The all-metal build gives it a sturdy feel and results in the weight I eluded to in my first impressions.
The metal construction includes the rear mount to give the lens longevity and life. The zoom ring and focus ring are textured for a solid grip and operate very smoothly. I was happy to note that the construction of this lens is dust and splash resistant which are valuable traits to me as a landscape and nature photographer.
The lens cap has a snug fit and amply covers the aspherical lens.
To conduct sharpness tests, I took the lens into a variety of conditions both indoors and outdoors.
Let’s first take a look at the results of a traditional test using the pages of a book to determine sharpness and chromatic aberration. For that test, I adjusted the camera to Aperture priority mode and adjusted the aperture throughout its range (f/2.8 – f/22). All images were shot with a tripod with the exact same lighting in a lightbox.
Individual results for each setting are available below showing a 1:1 ratio crop of the same numbers at the edge of the lens. I found the lens too soft when wide open at f/2.8. That is an expected result, but the softness was very noticeable. It was very sharp all the way to the edge of the image at f/8 and f/16. Sharpness declined at f/22. Image sharpness was maintained to the edge of the lens – impressive for an ultra-wide lens.
I found there to be a limited chromatic aberration that is easily correctable in Lightroom. Particularly in the corners of the image there was distortion at 14mm, but that is a common result in ultra-wide lenses.
Similar to the lab test results above, I cropped images at 1:1 taken in natural lighting conditions to look at the sharpness of this lens. The results showcase sharp images even when taking hand-held photographs.
In particular, you can see the lens is extremely sharp in the middle and how the stars become distorted at the edge of a crop after a long exposure.
As is my experience with other Sigma Art Series lenses, the autofocus is fast, accurate, and does not produce much (if any) noise. This lens integrates a hyper sonic motor (HSM) to pull off the noiseless focus.
A huge benefit of the lens is the small minimum focusing distance of 10 inches. That gives you, the photographer, unlimited options on what foreground element to leave in focus. In low-contrast situations such as a cloudy day the autofocus did not hunt for the subject, and focusing from 10 inches to infinity was very fast.
The images below are meant to show off the flexibility of this lens ranging from 14-24mm, the shallow depth of field you can achieve with an open aperture, and its usefulness for different subjects. I’ve featured some landscapes, people, and food that I was able to photograph.
Overall Rating : 9 out of 10 – this lens provides some excellent features, great build, and overall quality. Sharpness in the center of the image is excellent and the edges maintain sharpness as well.
My main reason for pulling this lens down to a 9 is the size of it. Those looking for a concise and smaller kit may benefit from a prime ultra-wide to decrease the lens bulk in their kit.
The value of this lens on Sigma’s website is $1,199 USD (check here for pricing on Amazon). Although that figure seems a bit high, the build quality warrants the price. You also have peace of mind knowing that the lens is effectively replacing the value of two other lenses in your kit.