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Sigma 24- vs Sigma 17-

Updated July 2026 — Sigma 24- leads on price and weight.

The Sigma 24-70mm F2.8 DGDN II excels in versatility and image quality, while the Sigma 17-40mm F1.8 DC offers a budget-friendly option with great low-light performance.

Why Sigma 24- is better

Versatility

Covers a wider focal length range.

Image Quality

Higher sharpness across the frame.

Build Quality

More robust construction for professional use.

Why Sigma 17- is better

Price

More budget-friendly at $919.00.

Aperture

Wider constant aperture of F1.8.

Weight

Lighter and more compact design.

Overall score

Sigma 24-
88
Sigma 17-
80

Specifications

SpecSigma 24-Sigma 17-
BrandSigmaSigma
TypeZoomZoom
MountSony ESony E
Max ApertureF2.8F1.8
Min ApertureF22F22
Image StabilizationNoNo

Dimension comparison

Sigma 24-Sigma 17-

Overview of the Sigma 24-70mm F2.8 DGDN II for Sony E

The Sigma 24-70mm F2.8 DGDN II for Sony E is a versatile zoom lens designed for a range of photography styles. Priced at $1,319.00, it offers high sharpness throughout the entire image, making it an excellent choice for professionals and enthusiasts alike. This lens is particularly well-suited for capturing everything from landscapes to portraits, delivering impressive image quality thanks to its constant F2.8 aperture. With a well-balanced focal length range, it serves as a reliable workhorse for various shooting scenarios.

Overview of the Sigma 17-40mm F1.8 DC

In contrast, the Sigma 17-40mm F1.8 DC is more budget-friendly, priced at $919.00, making it about 30% cheaper than the 24-70mm option. This lens features a bright F1.8 constant aperture, which excels in low-light conditions and allows for creative depth effects. Its Art-series optics ensure sharp detail and professional image quality. Specifically designed for Sony E-mount APS-C cameras, it’s particularly effective for portraits, travel, and video work, providing a unique perspective with its wider angle.

Image Quality Comparison

When it comes to image quality, the Sigma 24-70mm F2.8 DGDN II is renowned for its exceptional sharpness across the entire frame. This lens is crafted to maintain high optical performance, ensuring that images are crisp and clear, which is crucial for professional photography. On the other hand, while the Sigma 17-40mm F1.8 DC also delivers impressive image quality, its focus on a wide aperture allows for remarkable low-light performance and depth of field effects. Both lenses aim for high-quality visuals, but their emphases differ based on user needs.

Aperture Performance

The Sigma 24-70mm F2.8 provides a constant aperture of F2.8, which is excellent for controlling depth of field and achieving a creamy background blur. This feature is essential for portrait photographers looking to isolate their subjects effectively. In contrast, the Sigma 17-40mm F1.8 boasts a wider constant aperture of F1.8, granting it superior capabilities in low-light settings and the ability to create striking bokeh. The wider aperture makes the 17-40mm more versatile for creative shooting, especially where lighting is a challenge.

Focal Length Versatility

The focal length range of the Sigma 24-70mm F2.8 makes it incredibly versatile, covering everything from moderate wide-angle to short telephoto. This adaptability is beneficial for photographers who require a single lens for various types of shots, from landscapes to close-up portraits. Conversely, the Sigma 17-40mm F1.8 is limited to a wide-angle perspective, which is ideal for landscapes and architecture but may not offer the same flexibility for portraiture or telephoto needs. Depending on the type of photography you engage in, the focal length of each lens could significantly influence your choice.

Target Audience

The Sigma 24-70mm F2.8 DGDN II primarily targets professional photographers and serious enthusiasts who demand high performance in various conditions. Its price point reflects its premium quality and versatility, making it an ideal lens for those who shoot weddings, events, and commercial work. On the other hand, the Sigma 17-40mm F1.8 DC appeals to a broader audience, especially those who are budget-conscious yet still want quality optics. This lens is particularly attractive to travel photographers and videographers who appreciate its lightweight design and wide-angle capabilities.

Build and Design

Both lenses are designed with quality in mind, but their build caters to different needs. The 24-70mm F2.8 is robust and well-constructed, suited for rigorous professional use. Its size and weight reflect its capabilities, making it a reliable companion for various shooting scenarios. The 17-40mm F1.8, while still sturdy, is lighter and more compact, making it ideal for travel and daily use. This difference in build quality and design can be a significant factor for photographers who prioritize portability.

Which should you buy?

Choosing between the Sigma 24-70mm F2.8 DGDN II and the Sigma 17-40mm F1.8 DC ultimately depends on your specific needs as a photographer. If you prioritize versatility, higher sharpness across the frame, and a focal length range that accommodates various styles, the 24-70mm at $1,319.00 is a strong choice. However, if you seek a more budget-friendly option that excels in low-light conditions and offers creative depth effects, the 17-40mm at $919.00 presents a compelling argument. Each lens has its strengths, so consider your photography style and requirements carefully before making a decision.