Canon RF vs TTArtisan
Updated July 2026 — Canon RF wins on price and weight, TTArtisan wins on aperture.
The Canon RF 50mm F1.8 STM lens offers superior low-light performance and is ideal for portrait photography, while the TTArtisan 40mm F2 L provides excellent value and versatility.
Why Canon RF is better
Wider Aperture
Canon has a f/1.8 aperture compared to TTArtisan's f/2.
Brand Reputation
Canon is a well-established brand known for quality.
Image Quality
Canon's Super Spectra Coating enhances image clarity.
Why TTArtisan is better
Lower Price
TTArtisan is priced at $168 compared to Canon's $219.
Lightweight
TTArtisan weighs less, making it more portable.
Versatile Focal Length
40mm focal length is great for various photography styles.
Overall score
Specifications
| Spec | Canon RF | TTArtisan |
|---|---|---|
| Brand | Canon | TTARTISAN |
| Aperture | f/1.8 | f/2.0 |
| Weight | 200g | 167-176g |
| Focal Length | 50mm | 40mm |
| Autofocus | STM | STM |
Dimension comparison
Overview of the Canon RF 50mm F1.8 STM Lens
The Canon RF 50mm F1.8 STM lens is an excellent choice for photographers seeking a compact and lightweight option. Priced at $219.00, this lens offers a wide f/1.8 aperture, making it ideal for portraits and low-light conditions. Its advanced STM motor enables smooth, fast, and near-silent autofocus, which is particularly beneficial for both still photography and videography.
The lens features an aspheric lens element and Super Spectra Coating, which helps reduce ghosting and flare while enhancing color accuracy. This combination makes the Canon RF 50mm F1.8 STM a versatile tool for EOS R-Series cameras, delivering sharp images with beautiful background blur. Overall, it’s a reliable lens for creative photography.
Overview of the TTArtisan 40mm F2 L
The TTArtisan 40mm F2 L lens stands out for its affordability and compact design, retailing at $168.00, which is about 23% less expensive than the Canon RF lens. With a large f/2.0 aperture, it excels in low-light scenarios, allowing for faster shutter speeds and better image quality in challenging conditions.
This lens features a quiet and fast autofocus system, powered by an STM stepping motor, ensuring smooth and precise focusing. Additionally, the combination of ED and aspherical elements effectively controls chromatic aberration while maintaining clarity. Weighing only 167-176 grams, the TTArtisan lens is designed for versatility, making it a great option for street, travel, and documentary photography.
Price Comparison
When comparing the prices of these two lenses, the TTArtisan 40mm F2 L is the clear winner in terms of cost, priced at $168.00 compared to the Canon RF 50mm F1.8 STM's $219.00. This difference of $51 means that the TTArtisan lens is approximately 23% cheaper than its Canon counterpart.
For photographers on a budget, this price point makes the TTArtisan an attractive option without sacrificing quality. However, the Canon lens offers additional features that may justify its higher price for some users, particularly those who prioritize portrait photography or require specific Canon RF compatibility.
Autofocus Performance
In terms of autofocus performance, both lenses utilize STM technology, which is known for its quiet operation and smooth focusing. The Canon RF 50mm F1.8 STM lens delivers fast and near-silent autofocus, making it suitable for both stills and video work.
On the other hand, the TTArtisan 40mm F2 L also boasts a quiet and fast autofocus system, ensuring that photographers can capture moments quickly and without distraction. While both lenses excel in this area, the Canon lens is renowned for its reliability and speed, which could be crucial for capturing fleeting moments in dynamic environments.
Image Quality
Image quality is a critical factor for any lens, and both the Canon RF 50mm F1.8 STM and the TTArtisan 40mm F2 L deliver impressive results. The Canon lens features Super Spectra Coating, which minimizes ghosting and flare, ensuring clear and vibrant images. Its f/1.8 aperture allows for beautiful background blur, making it particularly suitable for portrait photography.
Conversely, the TTArtisan lens combines ED and aspherical elements to control chromatic aberration while maintaining clarity. This design leads to excellent image quality, especially for a lens in its price range. While both lenses produce great images, the Canon may have a slight edge in portrait-centric scenarios due to its wider aperture.
Versatility and Use Cases
The Canon RF 50mm F1.8 STM lens is particularly suited for portrait photography, but its versatility extends to various genres, including street and travel photography. Its compact design and lightweight nature make it easy to carry around, encouraging spontaneous shooting.
The TTArtisan 40mm F2 L, with its versatile 40mm focal length, is ideal for street, travel, and documentary photography, striking a balance between subject isolation and environmental context. Its compact design ensures flexibility in shooting angles, making it a reliable choice for everyday photography. Both lenses offer unique advantages, catering to different photographic styles and preferences.
Build Quality and Design
Both lenses are designed with portability in mind, but the Canon RF 50mm F1.8 STM lens is slightly more refined in terms of build quality. Its sturdy construction is designed to withstand the rigors of professional use, offering photographers peace of mind while shooting in various environments.
The TTArtisan 40mm F2 L, while also well-made, is focused more on being lightweight and compact, ideal for travel and casual shooting. The difference in design philosophy may appeal to different users—those looking for a robust lens versus those prioritizing portability will find their preferences reflected in these two options.
Which should you buy?
Choosing between the Canon RF 50mm F1.8 STM and the TTArtisan 40mm F2 L ultimately depends on your specific photography needs and budget. The Canon lens, priced at $219.00, offers superior low-light performance and is highly regarded for portrait photography. However, if affordability and versatility are your priorities, the TTArtisan lens at $168.00 provides excellent value without compromising on image quality.
Both lenses excel in autofocus performance and compact design, making them great options for various shooting scenarios. Ultimately, if you are looking for a lens that combines quality and affordability, the TTArtisan 40mm F2 L is a compelling choice. Conversely, for photographers seeking more advanced features and a wider aperture, the Canon RF 50mm F1.8 STM lens may be worth the investment.

