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Sigma 10-18mm f/2.8 DC DN | Contemporary Review: The Ideal Wide-Angle Zoom for Fujifilm Users?

The Sigma 10-18mm f/2.8 DC DN | Contemporary lens has garnered significant attention for its compact design and impressive optical performance, making it a strong contender for Fujifilm users seeking a wide-angle zoom lens. Below is a detailed overview of the lens, including its specifications, design, performance, and overall value.

Key Specifications

  • Focal Length: 10-18mm (15-27mm equivalent)

  • Maximum Aperture: f/2.8

  • Mounts Available: Fujifilm XF, Canon RF, Sony E, and L-mount

  • Construction: 13 elements in 10 groups

  • Aperture Blades: 7

  • Minimum Focus Distance: 11.6-19.1 cm (wide-tele)

  • Maximum Magnification: 0.25x (wide)

  • Filter Size: 67mm

  • Dimensions: 72.2 x 64.3 mm

  • Weight: 250g

A Competitive Edge in Price and Size

One of the Sigma 10-18mm f/2.8 DC DN’s most compelling features is its price point. At approximately $599 / £649, this lens is significantly cheaper than Fujifilm’s own ultra-wide zoom options. For instance, the Fujifilm XF 10-24mm f/4 R OIS WR is priced around $999 / £879, and while it offers a longer zoom range and optical image stabilization (OIS), it also comes with a larger size and a smaller maximum aperture. On the other hand, the Sigma lens provides a constant f/2.8 maximum aperture in a remarkably compact form factor, making it a highly attractive alternative.

Design and Handling: Compact and Well-Built

The Sigma 10-18mm f/2.8 DC DN is noted for its small size and lightweight construction. Measuring just 72.2 x 64.3mm and weighing 250g, it is significantly more compact compared to Fujifilm’s ultra-wide zooms. This compact design does not compromise its build quality; the lens features a robust metal construction internally and a Thermally Stable Composite (TSC) exterior. The smooth action of both the zoom and focus rings contributes to its premium feel, although the absence of an aperture ring might be a drawback for some Fujifilm users accustomed to external exposure controls.

While it is not fully weather-sealed, the Sigma 10-18mm f/2.8 DC DN includes a gasket on the mounting plate to resist dust and moisture. This feature, combined with its compact design, makes it a suitable choice for general outdoor photography, though it may not be the best option for harsh weather conditions.

Optical Performance: Impressive for Its Class

Sigma claims that the 10-18mm f/2.8 DC DN delivers exceptional optical performance throughout the frame, a claim that largely holds true in practical use. The lens's construction includes 13 elements in 10 groups, featuring three ultra-low dispersion (FLD) elements, one special low dispersion (SLD) element, and four aspherical elements. This sophisticated optical design aims to provide sharpness and clarity from the center to the edges of the frame.

In testing, the lens performs admirably in terms of central sharpness and mid-frame detail. However, edge sharpness can suffer slightly, particularly at the 10mm focal length. Despite this, the lens outperforms Fujifilm’s XF 10-24mm f/4 R OIS WR in many respects. Sigma’s in-built correction profiles handle distortion and corner shading effectively, though some chromatic aberration may still be present, particularly towards the edges of the frame.

Handling and Usability

The Sigma 10-18mm f/2.8 DC DN is designed with practical use in mind. Its internal focus system and minimal zoom extension make it a great choice for use with gimbals, while the compact size allows for easy handling and transport. The lens also supports common 67mm filters, avoiding the need for specialized wide-angle adapters.

One notable feature is the petal-style lens hood, which attaches via a push-click mechanism and can be removed with a slight twist. While the attachment method might seem unconventional, it proves functional and helps protect the lens from stray light and potential damage.

Who Should Consider the Sigma 10-18mm f/2.8 DC DN?

The Sigma 10-18mm f/2.8 DC DN | Contemporary is a fantastic option for Fujifilm X-mount users who need a compact, high-quality ultra-wide zoom lens at a competitive price. Its constant f/2.8 maximum aperture is a significant advantage, especially when compared to lenses with smaller apertures like the Fujifilm XF 10-24mm f/4 R OIS WR. If you’re using a Fujifilm X-S10, X-S20, or other models with conventional mode dials, this lens integrates seamlessly with your shooting experience.

However, if you are a photographer who relies heavily on external aperture controls or needs a lens with extensive weather sealing, you might find the Sigma 10-18mm f/2.8 DC DN lacking. Additionally, its shorter zoom range compared to other options like the Fujifilm XF 8-16mm f/2.8 R LM WR might not meet the needs of those looking for a more versatile wide-angle solution.

Conclusion

In summary, the Sigma 10-18mm f/2.8 DC DN | Contemporary offers a blend of compact design, impressive optical performance, and affordability that makes it a standout choice for Fujifilm users. While it has some limitations, such as the absence of an aperture ring and full weather sealing, its strengths far outweigh these drawbacks. For those seeking a smaller, more affordable ultra-wide zoom lens that does not compromise on image quality, the Sigma 10-18mm f/2.8 DC DN is a top contender.

If you’re in the market for a wide-angle zoom lens that delivers both performance and value, the Sigma 10-18mm f/2.8 DC DN | Contemporary is certainly worth considering.