Canon RF vs TTArtisan AF
Updated July 2026 — Canon RF wins on price and build, TTArtisan AF wins on compatibility and aperture.
The Canon RF 50mm F1.8 STM Lens excels in low-light performance and image quality, while the TTArtisan AF 27mm F2.8 offers a budget-friendly option with versatile autofocus features.
Why Canon RF is better
Aperture
Canon has a wider f/1.8 aperture.
Image Quality
Canon produces sharper images with better bokeh.
Brand Reputation
Canon is a well-established brand in photography.
Why TTArtisan AF is better
Price
TTArtisan is $59.01 cheaper.
Compatibility
TTArtisan supports a wider range of Fujifilm cameras.
Features
TTArtisan includes eye-detection autofocus.
Overall score
Specifications
| Spec | Canon RF | TTArtisan AF |
|---|---|---|
| Focal Length | 50mm | 27mm |
| Mount Type | RF | XF |
| Motor Type | STM | STM |
| Close Focus | 0.45m | 0.35m |
| Image Stabilization | No | No |
Dimension comparison
Overview of the Canon RF 50mm F1.8 STM Lens
The Canon RF 50mm F1.8 STM Lens is a compact and versatile option designed specifically for EOS R-Series cameras. Priced at $219.00, it features a wide f/1.8 aperture that excels in low-light conditions and offers beautiful background blur, making it ideal for portrait photography. The lens also incorporates STM motor technology for smooth, near-silent autofocus, enhancing the shooting experience for both stills and video. With its aspheric lens element and Super Spectra Coating, users can expect sharp images with reduced ghosting and flare.
Overview of the TTArtisan AF 27mm F2.8 Lens
The TTArtisan AF 27mm F2.8 lens is tailored for Fujifilm’s X-mount cameras and comes at a lower price point of $159.99, making it about 27% cheaper than the Canon RF 50mm. This lens features a f/2.8 aperture, which, while not as wide as the Canon's, still allows for decent low-light performance and good background separation. It employs an STM stepping motor, providing smooth and fast autofocus, and includes innovative features like eye-detection autofocus. The lens also supports USB firmware upgrades, allowing for future performance enhancements, which is not a feature found in the Canon lens.
Build Quality and Design
In terms of build quality, both the Canon RF 50mm and the TTArtisan AF 27mm lenses are designed with usability in mind. The Canon features a compact and lightweight construction, making it easy to carry for extended periods. Its design is focused on providing an intuitive shooting experience with its STM motor. On the other hand, the TTArtisan lens is also compact and lightweight, but it boasts an independent click aperture ring for swift adjustments, enhancing shooting speed. This feature may appeal to photographers who prefer manual control over their settings.
Autofocus Performance
Autofocus performance is a critical factor for many photographers, and both lenses offer competitive features. The Canon RF 50mm F1.8 STM utilizes an advanced STM motor for fast and silent focusing, ideal for capturing spontaneous moments without noise. Conversely, the TTArtisan AF 27mm F2.8 lens also features an STM motor and adds eye-detection autofocus, which is particularly useful for portrait photography. This enables the lens to quickly and accurately track subjects, making it a strong contender for those who prioritize autofocus capabilities.
Compatibility and Versatility
The Canon RF 50mm is specifically designed for Canon's EOS R-Series cameras, ensuring a seamless fit and performance. This lens excels in various photography styles, from portraits to street photography, thanks to its wide aperture and focal length. In contrast, the TTArtisan AF 27mm is compatible with a wider range of Fujifilm X-mount cameras, including popular models like the X-T10 and X-T4. This broad compatibility enhances its versatility, allowing Fujifilm users to take advantage of its features across different camera bodies.
Image Quality
When it comes to image quality, the Canon RF 50mm F1.8 STM lens is recognized for its sharpness and ability to produce aesthetically pleasing bokeh due to its large aperture. The aspheric lens element and Super Spectra Coating work together to minimize aberrations, resulting in clear and vibrant images. Meanwhile, the TTArtisan AF 27mm F2.8 lens, with its f/2.8 aperture, provides good image quality, but may not achieve the same level of background separation as the Canon lens. However, it still offers a satisfactory performance for everyday photography needs.
Price Comparison
Price is an essential factor for many consumers, and in this comparison, the Canon RF 50mm F1.8 STM Lens is priced at $219.00, while the TTArtisan AF 27mm F2.8 lens is available for $159.99. This makes the TTArtisan lens about $59.01 cheaper, or approximately 27% less expensive than the Canon option. For budget-conscious photographers or those just starting in photography, the lower price of the TTArtisan lens may be an attractive feature, despite its slightly narrower aperture.
Which should you buy?
Choosing between the Canon RF 50mm F1.8 STM Lens and the TTArtisan AF 27mm F2.8 lens ultimately depends on your camera system and shooting style. The Canon lens offers superior low-light performance with its f/1.8 aperture, making it ideal for portrait and creative photography. However, if you own a Fujifilm camera and are looking for a more budget-friendly option with versatile autofocus features, the TTArtisan lens is a compelling choice. Each lens has its strengths, so consider your specific needs and preferences before making a decision.

