vsversusfinder

Sigma 17- vs Sigma

Updated July 2026 — Sigma 17- wins on versatility and weight, Sigma wins on price and size.

The Sigma 17-40mm F1.8 DC offers greater versatility and image quality, while the Sigma 30mm F1.4 Contemporary is more budget-friendly and compact.

Why Sigma 17- is better

Versatility

Zoom capability allows for varied focal lengths.

Image Quality

Art-series optics provide exceptional sharpness.

Low-Light Performance

Constant F1.8 aperture across zoom range.

Why Sigma is better

Price

54% cheaper than Sigma 17-40mm.

Portability

Compact design makes it easier to carry.

Fast Autofocus

Stepping motor ensures quick focus.

Overall score

Sigma 17-
85
Sigma
75

Specifications

SpecSigma 17-Sigma
ApertureF1.8F1.4
Focal Length17-40mm30mm
Lens TypeZoomPrime
MountSony ESony E
OpticsArt-seriesContemporary

Dimension comparison

Sigma 17-Sigma

Overview of Sigma 17-40mm F1.8 DC

The Sigma 17-40mm F1.8 DC is a versatile zoom lens that excels in various shooting conditions. With a bright F1.8 constant aperture, it is particularly well-suited for low-light environments, allowing for creative depth effects. This lens is designed for Sony E-mount APS-C cameras and is ideal for portraits, travel, and video applications. Priced at $919.00, it sits at the higher end of the market.

The lens features Art-series optics that deliver sharp detail and professional image quality, making it a strong contender for serious photographers. Its robust aperture range and zoom capability provide flexibility in framing shots, whether you're capturing expansive landscapes or intimate portraits.

Overview of Sigma 30mm F1.4 Contemporary DC DN Lens

The Sigma 30mm F1.4 Contemporary DC DN Lens is a high-performance prime lens that combines portability with impressive image quality. With a price tag of $419.00, it is about 54% cheaper than the Sigma 17-40mm lens. This lens boasts a large F1.4 aperture, making it an excellent choice for low-light situations and for creating beautiful depth of field effects.

Designed for APS-C mirrorless cameras, including those with Sony E mounts, this lens features nine rounded aperture blades and a compact design. Its stepping motor ensures fast and accurate autofocus, which is particularly beneficial for video work. The combination of high performance and a more budget-friendly price makes it appealing to both amateur and professional photographers.

Build Quality and Design

Both the Sigma 17-40mm and the Sigma 30mm lenses are well-built, but they cater to different needs. The 17-40mm F1.8 DC has a more complex zoom mechanism, allowing for varied focal lengths, but this complexity may add to its size and weight. In contrast, the 30mm F1.4 Contemporary is designed for compactness, making it easier to carry around for long shoots or travel.

While both lenses feature durable construction, the Sigma 30mm's design emphasizes portability without sacrificing image quality. This compactness is a significant advantage for photographers who prioritize ease of use and flexibility during shoots.

Optical Performance

In terms of optical performance, the Sigma 17-40mm F1.8 DC is designed with Art-series optics that provide exceptional sharpness and clarity. This lens is tailored for photographers who require top-notch image quality, especially in professional settings. However, the Sigma 30mm F1.4 Contemporary also delivers impressive performance, particularly given its more accessible price point.

The 30mm lens captures sharp images with excellent contrast and color rendition, making it a strong option for those who need a reliable lens for everyday use. While the 17-40mm may have an edge in versatility due to its zoom range, the prime nature of the 30mm lens forces photographers to be more intentional with composition, often resulting in striking images.

Low-Light Performance

Low-light performance is a crucial factor for many photographers, and both lenses excel in this area, albeit in different ways. The Sigma 17-40mm F1.8 DC features a constant aperture of F1.8, which allows for sufficient light intake across its zoom range. This makes it a great choice for shooting in dimly lit environments, such as during sunset or indoors.

On the other hand, the Sigma 30mm F1.4 offers an even larger aperture of F1.4, providing superior performance in low-light conditions. The larger aperture not only allows more light to hit the sensor but also creates a shallower depth of field, which is ideal for portrait photography where background separation is desired. For users frequently shooting in low light, the Sigma 30mm may prove to be the better option.

Price Comparison

The price difference between the two lenses is significant, with the Sigma 30mm F1.4 Contemporary priced at $419.00, about 54% less than the Sigma 17-40mm F1.8 DC, which costs $919.00. This substantial price gap can heavily influence a photographer's decision, especially for those on a budget or looking for a good value without compromising too much on quality.

For those who may be new to photography or are looking for a reliable lens for casual use, the Sigma 30mm represents an excellent balance of performance and affordability. Conversely, professionals seeking the utmost quality and versatility may justify the higher investment in the Sigma 17-40mm.

Versatility and Use Cases

The Sigma 17-40mm F1.8 DC lens offers greater versatility due to its zoom capability, making it suitable for a diverse range of photography styles, from landscapes to portraits. Its design and features make it a perfect fit for travelers and videographers who require adaptability in their lens choices.

In contrast, the Sigma 30mm F1.4 Contemporary, while a prime lens, excels in specific scenarios such as portraiture and low-light photography. Its compact design makes it an ideal choice for street photography and everyday use, where carrying lighter gear is advantageous.

Which should you buy?

Deciding between the Sigma 17-40mm F1.8 DC and the Sigma 30mm F1.4 Contemporary largely depends on your needs and budget. If you require a versatile zoom lens that performs well in various situations and can invest more, the Sigma 17-40mm is an outstanding choice. However, if you're looking for a high-quality, budget-friendly lens that excels in low light and is easy to carry, the Sigma 30mm is a fantastic option. Ultimately, both lenses offer excellent image quality, but their differing features and price points cater to different types of photographers.