Sigma vs TTArtisan AF
Updated July 2026 — Sigma wins on price and weight, TTArtisan AF wins on aperture and focusing.
The Sigma lens excels in low-light performance and advanced autofocus features, while the TTArtisan lens offers great value for budget-conscious photographers.
Why Sigma is better
Low-Light Performance
Sigma has a larger f/1.4 aperture.
Autofocus Features
Sigma supports Fast Hybrid AF.
Build Quality
Sigma is dust- and splash-proof.
Why TTArtisan AF is better
Price
TTArtisan is significantly cheaper.
Compatibility
TTArtisan supports more camera models.
Weight
TTArtisan is lighter and more portable.
Overall score
Specifications
| Spec | Sigma | TTArtisan AF |
|---|---|---|
| Brand | Sigma | TTARTISAN |
| Mount | Sony E | Sony E |
| Max Aperture | f/1.4 | f/1.8 |
| Min Focus | 9.8 in | 1.64 ft |
| Weatherproof | Yes | No |
Dimension comparison
Overview of the Sigma 16mm f/1.4 DC DN Contemporary Lens
The Sigma 16mm f/1.4 DC DN Contemporary Lens is designed specifically for Sony E mount cameras and is priced at $539.00. This lens is well-suited for nature and event photography, boasting a large f/1.4 aperture that enhances low-light performance significantly. The lens is compact, making it easy to carry, which is a key feature for photographers who need mobility during shoots. Additionally, it accommodates Fast Hybrid AF, ensuring smooth autofocus during both photography and videography.
Overview of the TTArtisan AF 56mm F1.8 Auto Focus Lens
The TTArtisan AF 56mm F1.8 Auto Focus Lens is a more budget-friendly option, retailing at $129.00. This lens is compatible with a wide range of Sony E-mount mirrorless cameras, providing versatility for users. One of its standout features is the STM stepping motor, which allows for smooth focusing. The lens also includes advanced eye recognition focus, making it easier to capture sharp images of subjects while using the lens for both photography and video.
Price Comparison
The Sigma 16mm lens is significantly more expensive than the TTArtisan AF 56mm lens, with a price difference of $410.00. This makes the TTArtisan lens about 76% cheaper, which may be a crucial factor for budget-conscious photographers. While the higher price of the Sigma lens reflects its advanced features and capabilities, those seeking essential functionality without breaking the bank may find the TTArtisan lens to be a more appealing choice.
Aperture and Low-Light Performance
The Sigma 16mm lens features a large f/1.4 aperture, which greatly enhances its performance in low-light situations. This is particularly advantageous for photographers who often shoot in challenging lighting conditions, allowing more light to hit the sensor and resulting in better image quality. On the other hand, the TTArtisan lens has a slightly smaller f/1.8 aperture, which, while still capable of decent low-light performance, does not match the Sigma’s level. For those prioritizing low-light capability, the Sigma lens is the clear winner.
Autofocus Features
The Sigma lens is designed to fully accommodate Fast Hybrid AF, making it suitable for capturing quick-moving subjects and ensuring smooth autofocus during video shooting. Conversely, the TTArtisan lens features an STM stepping motor that offers smooth focusing and includes an eye recognition focus feature. This allows for precise tracking of subjects, especially in portrait photography. While both lenses provide good autofocus options, the Sigma's advanced autofocus capabilities may appeal more to professionals who need reliability in fast-paced environments.
Build Quality and Design
In terms of build quality, the Sigma lens is compact and designed to be portable, making it easy to take on various shoots. It is also built with a dust- and splash-proof design, adding an extra layer of durability for outdoor photographers. The TTArtisan lens, made from aviation aluminum, boasts a sturdy construction that complements the retro aesthetic of many Fujifilm cameras. While both lenses have solid builds, the Sigma's weatherproofing offers added protection in adverse conditions.
Compatibility and Versatility
The Sigma 16mm lens is explicitly compatible with Sony E mount cameras, making it a straightforward choice for users of that system. The TTArtisan lens, on the other hand, is compatible with a broader range of APS-C Sony E mount mirrorless cameras, including models like A5000, A6000, and A6300, which adds to its versatility. This wider compatibility may be advantageous for photographers who own multiple camera bodies or are looking to upgrade in the future.
Which should you buy?
Choosing between the Sigma 16mm f/1.4 DC DN Contemporary Lens and the TTArtisan AF 56mm F1.8 Auto Focus Lens ultimately depends on your specific needs as a photographer. If low-light performance and advanced autofocus features are your top priorities, the Sigma lens justifies its higher price with exceptional capabilities and durability. However, if you are looking for a more budget-friendly option that still offers solid performance and compatibility with a wide range of cameras, the TTArtisan lens is an excellent choice. Consider your photography style and budget before making a decision, as both lenses serve different purposes in the realm of photography.

