Sony - FE vs TTArtisan
Updated July 2026 — Sony - FE wins on aperture and image quality, TTArtisan wins on weight and price.
The Sony FE 50mm F1.8 excels in low-light performance and bokeh, while the TTArtisan 40mm F2 L offers great value and autofocus capabilities.
Why Sony - FE is better
Aperture
Sony has a larger F1.8 aperture for better low-light performance.
Bokeh
Sony's 7-blade aperture creates superior bokeh.
Image Quality
Sony's aspherical elements enhance image clarity.
Why TTArtisan is better
Price
TTArtisan is significantly cheaper at $168.
Autofocus
TTArtisan features a quiet and fast autofocus system.
Weight
TTArtisan is lighter, making it more portable.
Overall score
Specifications
| Spec | Sony - FE | TTArtisan |
|---|---|---|
| Max Aperture | F1.8 | F2.0 |
| Focal Length | 50mm | 40mm |
| Autofocus Type | Not Specified | STM |
| Compatibility | E-mount | L-mount |
| Bokeh Blades | 7 | Not Specified |
Dimension comparison
Price Comparison
The TTArtisan 40mm F2 L is about 32% cheaper than the Sony FE 50mm F1.8, priced at $168.00 compared to $248.00. When considering budget constraints, the significant price difference may influence purchasing decisions. Both lenses offer unique features, but for those looking for a cost-effective option without sacrificing quality, the TTArtisan presents a compelling case. This lens not only saves you money upfront but also offers impressive capabilities, making it an attractive alternative for photographers who want to maximize their investment.
Aperture and Light Performance
The Sony FE 50mm F1.8 features a maximum aperture of F1.8, while the TTArtisan boasts an F2.0 aperture. This slight difference means that the Sony lens allows for a bit more light, which can be beneficial for low-light situations and achieving a shallower depth of field. The larger F1.8 aperture of the Sony lens enables beautiful defocusing effects, which is particularly advantageous for portrait photography. However, the TTArtisan's F2.0 aperture still provides adequate light for most shooting conditions, making it a versatile option for street and travel photography.
Autofocus Capabilities
When it comes to autofocus performance, the TTArtisan 40mm F2 L takes the lead with its quiet and fast autofocus system, featuring an STM stepping motor. This allows for quick, smooth, and precise focusing, ideal for capturing fleeting moments in dynamic environments. In contrast, the Sony lens does not specify its autofocus capabilities in the provided data, which could be a consideration for those who prioritize speed and accuracy in their shooting. The TTArtisan’s advanced autofocus makes it a better choice for photographers requiring reliable performance in fast-paced settings.
Image Quality
Both lenses promise excellent image quality, but they achieve this through different technologies. The Sony FE 50mm F1.8 incorporates a 7-blade circular aperture and aspherical elements, which help control aberrations and enhance bokeh quality. This lens is designed to deliver impressive clarity and beautiful background defocus. On the other hand, the TTArtisan combines ED and aspherical elements to effectively manage chromatic aberration while maintaining sharpness and clarity. Each lens is tailored to provide high-quality images, but the choice may depend on the specific photographic style and requirements of the user.
Design and Portability
In terms of design and portability, the TTArtisan 40mm F2 L is compact and lightweight, weighing between 167g to 176g. This makes it an excellent choice for photographers who prioritize ease of handling and flexibility in their shooting angles. The Sony FE 50mm F1.8 is also noted for its compact and lightweight design, specifically tailored for full-frame e-mount cameras. While both lenses are designed with portability in mind, the TTArtisan's slightly lighter weight may offer an edge for users who are constantly on the move and need to keep their gear light.
Versatility in Focal Length
The TTArtisan 40mm F2 L offers a versatile focal length that is ideal for various photography styles, including street, travel, and documentary photography. This focal length strikes a balance between environmental context and subject isolation, allowing photographers to capture a wide range of scenes effectively. The Sony FE 50mm F1.8, being a 50mm lens, is particularly suited for portraiture and other subjects that benefit from a slightly longer focal length. Depending on the type of photography you engage in, one lens may be more suitable than the other, highlighting the importance of focal length in your decision-making process.
Compatibility with Camera Systems
The TTArtisan 40mm F2 L is specifically designed for L mount system cameras, including compatibility with Sigma FP and Panasonic S1RII, S5, and S5M2. This makes it an excellent choice for photographers using these systems. The Sony FE 50mm F1.8, on the other hand, is tailored for full-frame E-mount cameras, which may limit its compatibility with other systems. If you own an L mount camera, the TTArtisan lens is a clear winner due to its specialized design. However, for users with E-mount systems, the Sony lens is the obvious choice, emphasizing the importance of compatibility when selecting a lens.
Which should you buy?
Choosing between the Sony FE 50mm F1.8 and the TTArtisan 40mm F2 L ultimately depends on your specific needs and shooting style. If you prioritize a larger aperture for low-light performance and stunning bokeh, the Sony lens may be the better choice despite its higher price of $248.00. Conversely, if you are looking for a more budget-friendly option with excellent autofocus capabilities and versatility, the TTArtisan at $168.00 is an outstanding alternative. Both lenses offer unique strengths, making it essential to consider your photographic requirements when making a decision.

