Sigma 10-18mm f/2.8 DC DN Review: Compact With Some Compromises

Are you a photography enthusiast looking for a versatile wide-angle lens that doesn’t sacrifice portability? Look no further than the Sigma 10-18mm f/2.8 DC DN lens. In this review, we will delve into the features, performance, and overall quality of this compact lens, designed specifically for APS-C mirrorless cameras. Offering an impressive f/2.8 aperture and a focal length range perfect for landscape, architectural, and interior photography, the Sigma 10-18mm f/2.8 can be a valuable addition to your gear. However, as with any lens, there are a few compromises that need to be considered. Let’s explore the pros and cons of the Sigma 10-18mm f/2.8 DC DN to help you make an informed decision.

Sigma 10-18mm review

See below an overview of the Sigma 10-18mm F2.8 DC DN Contemporary lens

Aspect Overview
Focal Length 10-18mm
Maximum Aperture f/2.8
Minimum Focus Distance 10mm: 11.6 inches (1:4 macros), 18mm: 19.1 inches (1:6.9 magnification)
Filter Size 67mm
Compatibility APS-C sensor size
Image Quality Sharp and detailed images, outstanding resolution throughout the zoom range
Size and Weight 2.4 x 2.8 inches, 9.2 ounces
Other Features Quiet and quick AF system, good general-purpose utility, suitable for vlogging, no optical stabilization

The Sigma 10-18mm F2.8 DC DN Contemporary lens is praised for its wide aperture, compact size, and versatile focal length range, making it suitable for various photography and videography applications.

However, it lacks optical stabilization, which may require additional support for stable shots in certain conditions.

Sigma 10-18mm f/2.8 DC DN Review: Compact With Some Compromises


Hey, welcome back Peta pixel viewers! It’s Chris Nichols here, and we’re out enjoying the last of the beautiful Alberta fall colors. We’ve brought a nice lens with us, the new Sigma 10-18mm f/2.8. This thing is tiny, and I can’t wait to go use it. I’m using this on a Sony A7 R5, and I know that might seem strange at first, but this lens is coming out on L Mount, Sony E Mount, and Fujifilm X Mount. In cropped APS-C mode, I’m getting 26 megapixels, which is comparable to a Sony Alpha camera APS-C or a Fujifilm XT camera. So, I think it’s going to be a good test.

Compact Design

Sigma calls this the world’s smallest ultra-wide APS-C zoom with an f/2.8 aperture, and I find it hard to disagree. It is absolutely small and lightweight, with a 67mm filter thread and only weighing 255g. The lens comes with a hood, which is a push-on design that locks in place with a small twist. The zoom ring is located right up against the lens hood, making it easy to operate. There is also a manual focus control ring, but no AF/MF selector switch.

Multifunctional Macro Lens

The Sigma 10-18mm f/2.8 proves to be a versatile macro lens as well. At 10mm, it works best for macro photography, providing a working distance of about 4.6cm from the front element. This allows for dramatic close-up shots with a 1:4 life-size reproduction. The lens also has good close-up capabilities, pushing the background far away and creating striking images.

Flare and Sun Stars

When it comes to flare resistance, Sigma always does a great job. The lens coatings are good, and even when shooting with the light source in the shot or just outside the frame, washed-out areas are minimal. However, ghosting can be observed, especially when stopping down. The lens also disappoints in producing sun stars, as they appear broad and messy instead of distinct points. So, when shooting landscapes, it’s advisable to be careful around sunlight to avoid ghosts.

Smooth Focusing and Bokeh

The lens features a stepping motor, which is silent, smooth, and quick enough for most situations, despite not having an advanced linear motor. Bokeh, though not a major concern for ultra-wide lenses, can still be tested. At f/2.8, shallow depth of field can be achieved, creating a swirly effect with a fair amount of cat-eye-shaped highlights. Stopping down the lens, the seven aperture blades create polygonal-shaped highlights with a distinct soap bubble effect. The transition from in-focus to out-of-focus areas is smooth, although the specular highlights can be distracting.

Minimal Lens Breathing and Sharpness

The Sigma 10-18mm f/2.8 exhibits minimal lens breathing when focusing, making it ideal for video applications. The lightweight design makes it suitable for gimbals and vlogging, without experiencing any noticeable field of view shift. In terms of sharpness, the center is decently sharp at 10mm and f/2.8, with a contrast improvement observed at f/5.6. The corners may appear slightly soft at f/2.8, but stopping down to f/5.6 helps improve sharpness.

In conclusion, the Sigma 10-18mm f/2.8 DC DN is a compact lens with some compromises. While it offers excellent macro capabilities and flare resistance, it falls short in producing distinct sun stars and may have distracting specular highlights. However, its smooth focusing, minimal lens breathing, and decent sharpness make it a suitable choice for various applications.

Frequently Asked Questions – Sigma 10-18mm f2.8 review

Q: What is the Sigma 10-18mm f/2.8 DC DN lens?

The Sigma 10-18mm f/2.8 DC DN lens is a wide-angle zoom lens designed for use with APS-C format mirrorless cameras. It offers a versatile focal length range of 10-18mm, making it ideal for capturing landscapes, interior shots, and creative perspectives.

Q: What does “f/2.8” mean in the lens name?

The “f/2.8” in the lens name refers to the maximum aperture of the lens. A lower f-number indicates a wider aperture, allowing more light to enter the lens. This wider aperture is beneficial in low-light conditions and also helps achieve a shallow depth of field, allowing for better subject isolation.

Q: Is the Sigma 10-18mm f/2.8 DC DN lens compact?

Yes, the Sigma 10-18mm f/2.8 DC DN lens is compact and lightweight. It is designed to be highly portable, perfect for photographers who value mobility and convenience. Its compact size makes it an excellent choice for travel photography and everyday use.

Q: What are the main advantages of the Sigma 10-18mm f/2.8 DC DN lens?

The Sigma 10-18mm f/2.8 DC DN lens has several notable advantages. It offers a fast maximum aperture of f/2.8 throughout the zoom range, allowing for better low-light performance. It also delivers sharp and detailed images, thanks to its excellent optical quality. Furthermore, its compact size and lightweight design make it easy to handle and carry around.

Q: Are there any compromises when using the Sigma 10-18mm f/2.8 DC DN lens?

While the Sigma 10-18mm f/2.8 DC DN lens has many strengths, it does have some compromises. Due to its wide-angle nature, there might be some distortion towards the edges of the frame, especially at the widest focal lengths. Additionally, the lens does not have built-in image stabilization, which could be a limitation in certain shooting situations.

Q: Which cameras are compatible with the Sigma 10-18mm f/2.8 DC DN lens?

The Sigma 10-18mm f/2.8 DC DN lens is designed for use with APS-C format mirrorless cameras. It is available in Sony E-mount and Micro Four Thirds (MFT) mount versions, making it compatible with Sony E-mount cameras and MFT cameras from various brands like Olympus and Panasonic.


I hope you find useful my article Sigma 10-18mm f/2.8 DC DN Review: Compact With Some Compromises, I also recommend you to read my other posts in my blog at this link.

If you need help with anything join the community or do not hesitate to contact me.

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