Sigma 17- vs Sony FE

Overview

When comparing the Sigma 17-40mm F1.8 DC and the Sony FE 35mm f/1.8 Lens, both lenses cater to different photography needs. The Sigma lens is priced at $919.00, while the Sony lens is about 17% cheaper at $798.00. This price difference may influence your decision depending on your budget and requirements for versatility and performance in various shooting scenarios.

Design and Build Quality

The Sigma 17-40mm F1.8 DC is designed with a focus on professional quality, showcasing bright F1.8 constant aperture for excellent low-light performance and creative depth effects. It is part of Sigma's Art series, which is known for its high optical performance and build quality, making it suitable for both portraits and travel photography. On the other hand, the Sony FE 35mm f/1.8 is compact and lightweight, emphasizing portability without compromising on performance. It features a durable build that can withstand the rigors of professional use, ensuring reliability in various conditions.

Optical Performance

The Sigma lens is engineered with Art-series optics that deliver sharp detail and professional image quality, making it an excellent choice for detailed shots. The constant F1.8 aperture across its zoom range ensures consistent performance, especially in challenging lighting scenarios. Meanwhile, the Sony lens also excels in optical performance, featuring a 9-blade circular aperture that contributes to stunning bokeh effects, alongside aspherical elements that suppress aberration. Both lenses promise high-resolution output, but the Sigma offers greater versatility with its zoom range.

Focusing Mechanism

Focusing performance is critical for capturing sharp images, and both lenses have their strengths. The Sigma 17-40mm F1.8 DC utilizes a robust focusing system that is designed to keep pace with fast-moving subjects, making it suitable for both stills and video work. In contrast, the Sony FE 35mm f/1.8 features a fast, precise, and quiet linear-motor autofocus system, which is especially valuable for video recording where sound may be a concern. This difference in focusing technology may sway videographers and photographers who prioritize silent operation in their work.

Shooting Versatility

With a focal length of 17-40mm, the Sigma lens offers a versatile zoom range that can adapt to various shooting situations, from landscapes to portraits. This makes it ideal for travel and creative photography where different perspectives are required. Conversely, the Sony FE 35mm f/1.8 is a prime lens with a fixed focal length, which means it excels in specific scenarios, particularly in portraiture and street photography. While both lenses are designed for Sony E-mount cameras, the Sigma's versatility might appeal to those looking for a single lens solution for diverse shooting needs.

Low Light Performance

Low light performance is a significant consideration when choosing a lens, and both products shine in this area. The Sigma 17-40mm F1.8 DC features a constant F1.8 aperture, allowing for exceptional light gathering and depth of field control, making it highly effective for low-light scenarios. The Sony FE 35mm f/1.8 also boasts a wide F1.8 aperture, making it suitable for low-light shooting. However, the Sigma lens's zoom capability may provide an edge in various low-light compositions, allowing photographers to adjust their framing without changing lenses.

Portability and Convenience

Portability is a key factor for many photographers, especially those who travel frequently. The Sigma 17-40mm F1.8 DC, while slightly heavier due to its zoom capabilities, still offers a reasonable balance for those looking for versatility. The Sony FE 35mm f/1.8 is notably more compact and lighter, setting a standard for convenience, making it easier to carry for long periods. If you prioritize a lightweight setup, the Sony lens may be the better option, especially for street photography or casual outings.

Price and Value

In terms of pricing, the Sigma 17-40mm F1.8 DC is listed at $919.00, while the Sony FE 35mm f/1.8 is available for $798.00. This means that the Sigma lens is about 17% more expensive than its Sony counterpart. While the Sigma offers additional versatility and professional quality, the lower price of the Sony lens may be more appealing to those who are budget-conscious or those who primarily shoot in conditions where a prime lens suffices.

Which should you buy?

Choosing between the Sigma 17-40mm F1.8 DC and the Sony FE 35mm f/1.8 ultimately depends on your specific photography needs. If you require a versatile zoom lens with excellent low-light capabilities and professional image quality, the Sigma may be worth the higher price. However, if portability, a fixed focal length, and a more budget-friendly option are your priorities, the Sony lens presents a compelling choice. Evaluate your shooting style and preferences to determine which lens aligns best with your photography goals.