Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs TTartisan
Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on aperture and autofocus, TTartisan wins on weight and price.
The Canon RF50mm F1.8 STM lens excels in low-light performance and autofocus, while the TTartisan 27mm F2.8 lens is more portable and budget-friendly.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Low-Light Performance
Canon's f/1.8 aperture allows for better low-light shooting.
Autofocus
Canon features a smoother and quieter autofocus system.
Versatility
Canon is ideal for a wider range of photography styles.
Why TTartisan is better
Portability
TTartisan's pancake design makes it easier to carry.
Price
TTartisan is more budget-friendly.
Compact Size
TTartisan is less than 3cm thick.
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | TTartisan |
|---|---|---|
| Focal Length | 50mm | 27mm |
| Max Aperture | f/1.8 | f/2.8 |
| Compatibility | EOS R | Fuji X-Mount |
| Autofocus Type | Stepping Motor | Autofocus with Override |
| Build Quality | High | Medium |
Dimension comparison
Overview of the Canon RF50mm F1.8 STM Lens
The Canon RF50mm F1.8 STM lens is designed specifically for EOS R series mirrorless cameras, making it a highly compatible choice for Canon users. Priced at $219.00, this lens is a versatile option for photographers looking for a lightweight and compact design. It features a large f/1.8 aperture, which excels in low-light scenarios and provides beautiful background blur.
This lens is ideal for various photography styles, from portraits to landscapes. Its optimized lens placement and coatings help deliver outstanding color balance while minimizing ghosting and flare. With a stepping motor for quiet autofocus, it’s also a great choice for video recording, enhancing its appeal for content creators.
Overview of the TTartisan 27mm F2.8 Autofocus Lens
The TTartisan 27mm F2.8 autofocus lens is a compact and lightweight option for Fujifilm X-mount cameras, retailing for $159.99. This lens boasts a bright f/2.8 maximum aperture, offering a 41mm equivalent focal length, making it versatile for street photography, travel, and everyday shooting.
Its pancake form factor, measuring less than 3cm thick, makes it incredibly portable, allowing photographers to carry it effortlessly. With six elements in five groups, including high refractive index lenses, it aims to deliver sharp images while controlling chromatic aberrations. The lens also features a manually adjustable aperture ring, providing flexibility in exposure settings.
Performance in Low-Light Conditions
When comparing performance in low-light conditions, the Canon RF50mm F1.8 STM lens has an advantage with its larger f/1.8 aperture. This allows for more light to enter the camera, making it more suitable for shooting in dimly lit environments. The ability to create beautiful bokeh with its wide aperture also enhances creativity in portrait photography.
On the other hand, the TTartisan 27mm F2.8 lens, while still functional in low light, may not perform as well due to its smaller aperture. Its f/2.8 maximum aperture limits the amount of light that can be captured, potentially resulting in less favorable performance in very low-light situations. Thus, for photographers primarily shooting in challenging lighting, the Canon lens would be the superior choice.
Autofocus Capabilities
Both the Canon RF50mm F1.8 STM and the TTartisan 27mm F2.8 lenses come with autofocus capabilities, but they differ in their execution. The Canon lens features a stepping motor that provides smooth and quiet autofocus, making it particularly beneficial for video recording and dynamic photography.
Conversely, the TTartisan lens also offers autofocus with manual focus override, allowing photographers to have more control over their shots. However, it may not be as silent or smooth as the Canon's STM technology. For those who prioritize video recording or quiet shooting, the Canon lens may be the better option.
Size and Portability
In terms of size and portability, the TTartisan 27mm F2.8 lens is significantly more compact than the Canon RF50mm F1.8 STM lens. Weighing less and featuring a pancake design, it is an ideal carry-anywhere lens for photographers who prioritize portability. This makes it especially suitable for street and travel photography, where every ounce counts.
The Canon lens, while still relatively lightweight, is bulkier compared to the TTartisan. Its compact design is advantageous, but for those who prefer a lens that can easily fit in a pocket or small bag, the TTartisan is the clearer choice.
Versatility in Photography
When evaluating versatility, both lenses offer unique benefits. The Canon RF50mm F1.8 STM lens is a fixed focal length lens, ideal for a range of photography styles, including portraits, landscapes, and everyday snapshots. Its ability to create striking images with beautiful background blur makes it a favorite among portrait photographers.
The TTartisan 27mm F2.8 lens, with its equivalent focal length of 41mm, is well-suited for various genres, including street and close-up photography. While it may not provide the same level of background blur as the Canon lens, its versatility in everyday shooting situations is commendable. Thus, the choice will depend on the photographer's preferred style and subjects.
Price Comparison
In terms of pricing, the Canon RF50mm F1.8 STM lens is priced at $219.00, while the TTartisan 27mm F2.8 is more budget-friendly at $159.99. This makes the TTartisan lens about 27% cheaper than the Canon option. For photographers on a tighter budget or those who are just starting, the TTartisan offers a compelling value without sacrificing essential features. However, the additional cost for the Canon lens may be justified for those seeking superior low-light performance and autofocus capabilities.
Which should you buy?
Deciding between the Canon RF50mm F1.8 STM lens and the TTartisan 27mm F2.8 lens ultimately depends on your specific needs as a photographer. If you prioritize low-light performance, smooth autofocus, and versatility in photography, the Canon lens is a strong contender. However, if portability, budget-friendliness, and a compact design are more important to you, then the TTartisan lens presents an excellent alternative. Each lens has its strengths, and your choice should align with your photographic style and requirements.

