7Artisans vs Canon RF
Updated July 2026 — 7Artisans wins on weight and elements, Canon RF wins on price and focal length.
The 7Artisans lens is a budget-friendly option for creative photography, while the Canon lens offers versatility and autofocus for everyday use.
Why 7Artisans is better
Price
7Artisans is $70 cheaper than Canon
Weight
7Artisans is lighter at 201g
Creative Use
7Artisans excels in ultra-wide photography
Why Canon RF is better
Autofocus
Canon features STM motor for fast autofocus
Aperture
Canon has a wider f/1.8 aperture
Versatility
Canon is suitable for portraits and general use
Overall score
Specifications
| Spec | 7Artisans | Canon RF |
|---|---|---|
| Mount | Sony E | Canon RF |
| Focus Type | Manual | Auto |
| Image Quality | High | Very High |
| Use Case | Creative | Versatile |
| Coating | Standard | Super Spectra |
Dimension comparison
Overview of the 7Artisans 4mm F2.8 Fisheye and Canon RF 50mm F1.8 STM
The 7Artisans 4mm F2.8 Fisheye Ultra Wide Angle Lens is priced at $149.00, while the Canon RF 50mm F1.8 STM Lens is available for $219.00. This makes the 7Artisans lens about 32% cheaper than the Canon option. The two lenses cater to different photography needs, with the 7Artisans lens designed for ultra-wide, creative shots and the Canon lens focusing on versatility and portrait capabilities.
Design and Build Quality
Both lenses showcase thoughtful design suited for their intended photography styles. The 7Artisans lens is compact and portable, weighing only 201g, making it a suitable choice for travel photography. Its construction features 10 glass elements arranged in 8 groups, which contribute to its exceptional image quality. In contrast, the Canon RF 50mm F1.8 STM lens is also lightweight, but its build is more traditional, focusing on durability and a classic design that suits many photographers' preferences. The Canon lens includes an aspheric lens element, enhancing optical performance.
Compatibility with Camera Systems
Compatibility is a crucial factor when selecting a lens, and both lenses cater to specific camera mounts. The 7Artisans 4mm F2.8 is designed specifically for Sony E-mount APS-C mirrorless cameras, such as the A6300 and A7 series. This specialization allows for optimal performance within its intended camera systems. On the other hand, the Canon RF 50mm F1.8 STM lens is tailored for EOS R-Series cameras, ensuring a seamless integration with Canon’s mirrorless lineup. Photographers should consider their camera systems carefully to maximize lens performance.
Aperture and Image Quality
The 7Artisans lens features an aperture range of F2.8-F16, allowing for creative depth of field control, particularly suitable for wide-angle shots that emphasize spatial relationships. Its fisheye design effectively reduces internal reflections, such as flaring and ghosting, ensuring high-quality images. In comparison, the Canon RF 50mm F1.8 has a wide aperture of F1.8, which excels in low-light conditions and offers beautiful background blur for portrait photography. This difference in aperture capabilities highlights the distinct use cases for these lenses.
Autofocus and Handling
The handling and autofocus capabilities of a lens significantly affect the shooting experience. The 7Artisans lens is a manual focus prime lens, which means photographers must adjust focus manually. This can allow for more precise control but may require more practice, especially for beginners. In contrast, the Canon RF 50mm F1.8 STM lens is equipped with a smooth and fast STM motor, providing near-silent and efficient autofocus. This feature makes it ideal for capturing spontaneous moments or shooting video, where focus noise can be detrimental.
Price Comparison
When comparing prices, the 7Artisans lens at $149.00 is significantly more budget-friendly than the Canon RF lens, which retails at $219.00. This price difference of $70 means that the 7Artisans lens is approximately 32% less expensive. For photographers who prioritize cost without compromising on creative potential, the 7Artisans lens presents an attractive option, especially for those who enjoy experimenting with wide-angle perspectives.
Versatility and Use Cases
The versatility of a lens can greatly influence its value to photographers. The 7Artisans 4mm F2.8 is particularly suited for creative photography, landscapes, and unique artistic expressions due to its ultra-wide angle and fisheye characteristics. This lens excels in situations where spatial dynamics play a crucial role. Meanwhile, the Canon RF 50mm F1.8 STM lens is more versatile for everyday use, making it suitable for portraits, street photography, and general-purpose shooting. Its wide aperture allows for excellent performance in various lighting conditions, appealing to a broader range of photographers.
Which should you buy?
Choosing between the 7Artisans 4mm F2.8 Fisheye Ultra Wide Angle Lens and the Canon RF 50mm F1.8 STM lens ultimately hinges on your photography style and needs. If you gravitate toward creative and wide-angle photography, the 7Artisans lens, priced at $149.00, offers a compelling option with its unique fisheye perspective. However, if you prefer a more versatile lens for portraits and everyday shooting, the Canon RF lens may be worth the higher price of $219.00 for its autofocus capabilities and wider aperture. Consider your camera system and intended use to make the best choice for your photography journey.

