Laowa vs Sigma 17-
Updated July 2026 — Laowa wins on weight and fov, Sigma 17- wins on price and zoom.
The Laowa 12mm f/2.8 Lite offers excellent ultra-wide-angle capabilities at a lower price, while the Sigma 17-40mm F1.8 DC provides versatility and superior low-light performance.
Why Laowa is better
Price
Laowa is $220 cheaper than Sigma.
Weight
Laowa is lighter at 377g.
Ultra-wide
Laowa has a 122° field of view.
Why Sigma 17- is better
Aperture
Sigma has a constant f/1.8 aperture.
Versatility
Sigma's zoom range is more adaptable.
Image Quality
Sigma's Art series optics deliver sharper images.
Overall score
Specifications
| Spec | Laowa | Sigma 17- |
|---|---|---|
| Brand | LAOWA | Sigma |
| Max Aperture | f/2.8 | f/1.8 |
| Field of View | 122° | 40° |
| Weight | 377g | N/A |
| Type | Ultra-wide | Zoom |
Dimension comparison
Overview of the Laowa 12mm f/2.8 Lite and Sigma 17-40mm F1.8 DC
The Laowa 12mm f/2.8 Lite is priced at $699.00, while the Sigma 17-40mm F1.8 DC comes in at $919.00. This makes the Laowa about 24% cheaper than the Sigma. Both lenses are designed for Sony E-mount cameras, but they cater to different photographic needs. The Laowa focuses on ultra-wide-angle photography, while the Sigma offers a versatile zoom range with a bright constant aperture. Understanding their unique features is essential for choosing the right lens for your photography style.
Image Quality and Performance
The Laowa 12mm f/2.8 Lite is engineered to provide an impressive 122° field of view with virtually zero distortion. This makes it a fantastic choice for landscape and architectural photography, where maintaining image integrity is crucial. In contrast, the Sigma 17-40mm F1.8 DC Art series lens provides sharp detail and professional image quality, thanks to its art-series optics. While both lenses promise excellent image quality, the Laowa’s ultra-wide angle is particularly suited for capturing expansive scenes, while the Sigma excels in delivering sharp images across its zoom range.
Aperture and Low-Light Performance
The Laowa boasts a fast f/2.8 maximum aperture, which enhances its low-light performance. This allows photographers to shoot in dim conditions without compromising on image quality. The Sigma, on the other hand, has a constant f/1.8 aperture throughout its zoom range. This feature provides greater flexibility for shallow depth-of-field effects and low-light situations. For photographers who frequently shoot in challenging lighting, the Sigma may offer an advantage due to its brighter aperture, making it more versatile for various scenarios.
Weight and Portability
Portability is a significant factor for many photographers. The Laowa 12mm f/2.8 Lite weighs only 377 grams, making it lightweight and easy to carry during long shooting sessions. In comparison, the Sigma 17-40mm F1.8 DC's weight is not specified, but zoom lenses often tend to be heavier. The Laowa’s compact design allows for greater convenience, especially for landscape photographers who may hike to their shooting locations. This lightweight nature could be a decisive factor for those who prioritize mobility in their gear.
Versatility and Use Cases
The Laowa lens is ideal for ultra-wide-angle photography, making it perfect for landscapes and architecture. Its close focusing distance of 14mm allows for unique compositions and creative shots. The Sigma 17-40mm F1.8 DC, with its zoom capability, is more versatile for various types of photography, including portraits and travel. This lens can adapt to different shooting scenarios without needing to change lenses frequently. Therefore, if you’re looking for a single lens that can handle multiple styles, the Sigma may be the better choice.
Build Quality and Design
Both lenses are designed with quality in mind, but they cater to different user preferences. The Laowa 12mm f/2.8 Lite features a robust construction that emphasizes its capability for high-quality ultra-wide-angle shots. It also offers dual aperture options, allowing users to choose between a 5-blade design for distinct sunstars or a 14-blade version for smoother bokeh. The Sigma 17-40mm F1.8 DC is part of the Art series, which is known for its excellent build quality and professional-grade optics. The choice here may depend on whether you prefer the specialized design of the Laowa or the general versatility of the Sigma.
Price Comparison
At $699.00, the Laowa 12mm f/2.8 Lite is significantly more affordable than the Sigma 17-40mm F1.8 DC, which retails for $919.00. The price difference of about $220 could influence your decision, especially if you’re on a budget. While both lenses offer unique advantages, the Laowa may appeal to those looking for high-quality ultra-wide shots without breaking the bank. Conversely, if you believe the extra cost for the Sigma's versatility justifies the investment, it could be worth considering.
Which should you buy?
Ultimately, the decision between the Laowa 12mm f/2.8 Lite and the Sigma 17-40mm F1.8 DC comes down to your specific photography needs. If you prioritize ultra-wide angles and a lightweight design, the Laowa is a compelling choice at a lower price point. However, if you need a versatile lens that performs well in low light and offers a broader focal range for different styles, the Sigma could be worth the extra investment. Both lenses provide excellent options; it all hinges on what you value most in your photography.

