TTARTISAN vs YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens,
Updated July 2026 — TTARTISAN wins on build and focus speed, YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens, wins on weight.
The TTARTISAN 40mm f2 Lens offers superior build quality and advanced autofocus features, while the YONGNUO YN50mm F1.8C is more affordable and excels in low-light conditions.
Why TTARTISAN is better
Build Quality
Crafted from premium aerospace aluminum.
Autofocus
Features advanced STM motor and face tracking.
Angle of View
Offers a wider 57° full-frame angle.
Why YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens, is better
Price
More budget-friendly at $132.29.
Aperture
Faster f/1.8 aperture for low light.
Compatibility
Compatible with a wider range of Canon cameras.
Overall score
Specifications
| Spec | TTARTISAN | YONGNUO YN50mm F1.8C Lens, Large Aperture Auto Focus Lens, |
|---|---|---|
| Brand | TTARTISAN | YONGNUO |
| Mount Type | Nikon Z | Canon EF |
| Max Aperture | f/2 | f/1.8 |
| Weight | 167g | 200g |
| Focus Type | Auto | Auto/Manual |
Dimension comparison
Introduction to the Lenses
When it comes to high-quality photography, choosing the right lens is just as crucial as selecting the right camera. In this article, we will compare the TTARTISAN 40mm f2 Lens for Z Mount and the YONGNUO YN50mm F1.8C Lens. The TTARTISAN lens is priced at $168.00, while the YONGNUO lens is more budget-friendly at $132.29, making it about 17% cheaper. Understanding the unique features and benefits of each lens can help you decide which one suits your photography style best.
Build Quality and Design
The build quality of a lens can significantly affect its usability and durability. The TTARTISAN 40mm f2 Lens features a lightweight design made from premium 5052 aerospace aluminum, weighing just 167 grams. This ultra-portable construction makes it easy to carry, allowing for hassle-free adventures without compromising on durability. In contrast, the YONGNUO YN50mm F1.8C Lens, while also compact, does not specify its build material in the provided data. However, it is known for being a solid addition to Canon EOS camera kits, which may suggest a decent build quality.
Aperture and Low Light Performance
A lens's aperture is vital for shooting in low light conditions. The TTARTISAN 40mm f2 features a bright f/2 aperture that allows for stunning clarity and vivid color reproduction, particularly in dim environments. This capability transforms night scenes into gallery-worthy photographs. On the other hand, the YONGNUO YN50mm F1.8C boasts a faster f/1.8 aperture, providing excellent low-light performance as well. While both lenses excel in this aspect, the YONGNUO may have a slight edge due to its larger aperture, allowing for potentially better results in very low light.
Focusing Mechanism
Focusing mechanisms vary significantly between these two lenses. The TTARTISAN 40mm f2 Lens is equipped with an advanced autofocus system that features an STM motor and face/eye tracking, ensuring smooth focus transitions with near-zero breathing. This makes it particularly suitable for video work and portrait photography. Conversely, the YONGNUO YN50mm F1.8C supports both auto and manual focus, which adds versatility for photographers who prefer manual control. However, it lacks the advanced focusing features found in the TTARTISAN lens.
Angle of View
The angle of view can dictate how much of a scene will be captured in the frame. The TTARTISAN 40mm f2 offers a 57° full-frame angle, mimicking human-eye vision and making it ideal for capturing authentic textures and perspectives. In contrast, the YONGNUO YN50mm F1.8C has a maximum angle of view of 46 degrees. This difference means that the TTARTISAN lens may be better suited for general photography, while the YONGNUO lens might excel in portraiture due to its tighter field of view.
Compatibility
Compatibility is crucial when selecting a lens. The TTARTISAN 40mm f2 is specifically designed for Nikon Z-mount cameras, making it an excellent choice for users of those systems, including models like Z50, Z6, and Z7. On the other hand, the YONGNUO YN50mm F1.8C is compatible with Canon EF mount cameras, such as the 5D, 7D, and various EOS models. As a result, your choice may heavily depend on the camera system you own, as neither lens is interchangeable with the other’s mount type.
Price and Value
Price can be a decisive factor for many photographers. The TTARTISAN 40mm f2 is currently priced at $168.00, while the YONGNUO YN50mm F1.8C comes in at $132.29. This represents a price difference of about $35.71, making the YONGNUO significantly more affordable. While the TTARTISAN lens offers advanced features like STM autofocus and a robust build, the YONGNUO lens still provides excellent value for those looking for a reliable, high-performance lens without breaking the bank.
Which should you buy?
Ultimately, the choice between the TTARTISAN 40mm f2 Lens and the YONGNUO YN50mm F1.8C Lens depends primarily on your camera system and specific photography needs. If you own a Nikon Z-mount camera and prioritize build quality and advanced autofocus features, the TTARTISAN lens is the superior option. However, if you are a Canon user looking for a cost-effective lens that excels in low-light conditions, the YONGNUO lens is an excellent choice. Consider your camera compatibility, budget, and shooting style when making your decision.

