Canon RF vs TTArtisan 7.
Updated July 2026 — Canon RF wins on price and focal length, TTArtisan 7. wins on weight and aperture.
The Canon RF 50mm F1.8 STM Lens excels in autofocus and versatility, while the TTArtisan 7.5mm F2.0 offers unique creative opportunities at a lower price.
Why Canon RF is better
Autofocus
Canon lens features advanced STM motor for smooth autofocus.
Versatility
Canon lens is suitable for various photography styles.
Image Quality
Canon lens delivers sharp images with beautiful bokeh.
Why TTArtisan 7. is better
Price
TTArtisan lens is approximately 37% cheaper.
Creative Effects
TTArtisan lens offers unique fisheye perspective.
Close Focus
TTArtisan lens has a minimum focusing distance of 4 inches.
Overall score
Specifications
| Spec | Canon RF | TTArtisan 7. |
|---|---|---|
| Brand | Canon | TTARTISAN |
| Aperture | f/1.8 | f/2.0 |
| Focal Length | 50mm | 7.5mm |
| Autofocus | Yes | No |
| Weight | 200g | 300g |
Dimension comparison
Overview of the Canon RF 50mm F1.8 STM Lens
The Canon RF 50mm F1.8 STM Lens is priced at $219.00 and is designed for EOS R-Series cameras. It features a wide f/1.8 aperture that enhances low-light performance and delivers stunning background blur for portraits. This lens is compact and lightweight, making it ideal for photographers seeking versatility without compromising on image quality. The inclusion of an STM motor ensures smooth and silent autofocus, a significant advantage for shooting videos or candid moments.
Overview of the TTArtisan 7.5mm F2.0 Fisheye Lens
The TTArtisan 7.5mm F2.0 for Sony is priced at $139.00, making it about 37% cheaper than the Canon RF lens. This fisheye lens offers a unique 180° diagonal perspective, allowing for creative distortion effects that can enhance visual storytelling in photography. With a minimum focusing distance of just 4 inches, it excels in close-up shots, making it suitable for both landscape and portrait photography. Additionally, the f/2.0 aperture allows for clear images even in low-light conditions, which is particularly beneficial for astrophotography.
Image Quality Comparison
Both lenses deliver impressive image quality, but they cater to different styles and needs. The Canon RF 50mm F1.8 STM Lens is renowned for its sharpness and beautiful bokeh, making it a favorite for portrait photographers. Its aspheric lens element and Super Spectra Coating work together to minimize aberrations and improve color accuracy. In contrast, the TTArtisan 7.5mm F2.0 creates a distinct visual impact through its fisheye perspective, which can introduce significant distortion that some photographers may find artistically appealing. This lens is particularly suited for capturing expansive scenes or unique angles.
Autofocus and Usability
The Canon RF 50mm F1.8 STM Lens features a sophisticated STM motor that provides smooth and fast autofocus, ideal for capturing fleeting moments with precision. This aspect is especially important for videographers who require near-silent operation. On the other hand, the TTArtisan 7.5mm F2.0 is a manual focus lens, which might be a drawback for users who prefer the convenience of autofocus. However, its manual focus allows for more creative control, particularly in artistic photography where precision is key.
Versatility and Applications
The Canon RF 50mm F1.8 STM Lens is incredibly versatile, suitable for a variety of photography styles, including portraits, street photography, and even some landscapes. Its f/1.8 aperture allows for excellent performance in low-light situations. Conversely, the TTArtisan 7.5mm F2.0 shines in niche applications like astrophotography, where its ultra-wide angle and close focusing capability can create stunning images of the night sky. Additionally, the fisheye effect can add a unique twist to architectural photography, making it suitable for creative projects.
Compatibility
The Canon RF 50mm F1.8 STM Lens is specifically designed for EOS R-Series cameras, ensuring a seamless integration with Canon's mirrorless system. This tailored compatibility means users can maximize the lens's capabilities without any issues. Meanwhile, the TTArtisan 7.5mm F2.0 is compatible with a wide range of Sony APS-C models and can also be used with full-frame Sony cameras in APS-C mode. This broad compatibility makes it an attractive option for Sony users looking to explore creative photography without investing in multiple lenses.
Price and Value
With the Canon RF 50mm F1.8 STM Lens retailing at $219.00 and the TTArtisan 7.5mm F2.0 available for $139.00, the latter presents a more budget-friendly option, approximately 37% less expensive. This price difference may appeal to amateur photographers or those looking to expand their lens collection without breaking the bank. While the Canon lens offers superior autofocus and versatility, the TTArtisan lens provides unique creative opportunities at a lower cost, making it a compelling option for certain photography styles.
Which should you buy?
Choosing between the Canon RF 50mm F1.8 STM Lens and the TTArtisan 7.5mm F2.0 essentially boils down to your specific needs as a photographer. If you prioritize autofocus, sharp portrait quality, and versatility, the Canon lens is the better option, albeit at a higher price. However, if you seek unique perspectives, enjoy manual focusing, and want a lens that excels in creative photography, the TTArtisan lens offers excellent value for its price. Ultimately, your choice should align with your photographic style and the types of projects you intend to pursue.

