Canon RF16mm F2.8 STM Lens vs TTArtisan 7.
Updated July 2026 — Canon RF16mm F2.8 STM Lens wins on image quality and weight, TTArtisan 7. wins on compatibility and price.
The Canon RF16mm F2.8 STM Lens excels in image quality and versatility, while the TTArtisan 7.5mm F2.0 offers unique creative effects at a lower price.
Why Canon RF16mm F2.8 STM Lens is better
Image Quality
Canon lens delivers superior clarity and detail.
Build Quality
Canon lens is designed for full-frame mirrorless cameras.
Focusing Distance
Canon lens has better close-up capabilities.
Why TTArtisan 7. is better
Price
TTArtisan lens is significantly cheaper.
Creative Effects
TTArtisan lens provides unique fisheye perspectives.
Low-Light Performance
TTArtisan lens has a wider aperture for low-light shooting.
Overall score
Specifications
| Spec | Canon RF16mm F2.8 STM Lens | TTArtisan 7. |
|---|---|---|
| Aperture | f/2.8 | f/2.0 |
| Focal Length | 16mm | 7.5mm |
| Min Focus | 5.11 in | 4 in |
| Angle of View | 108° | 180° |
| Brand | Canon | TTARTISAN |
Dimension comparison
Overview of the Canon RF16mm F2.8 STM Lens
The Canon RF16mm F2.8 STM Lens is priced at $259.00, making it a premium option compared to the TTArtisan 7.5mm F2.0, which costs $139.00—about 46% less. This lens is designed for full-frame mirrorless cameras and offers a bright f/2.8 aperture, providing versatility in various shooting situations. It is compact and lightweight, making it an excellent choice for photographers on the go. The lens is particularly well-suited for capturing landscapes, interior shots, and even as a webcam lens when combined with an EOS camera.
Overview of the TTArtisan 7.5mm F2.0
The TTArtisan 7.5mm F2.0 lens, priced at $139.00, presents a more budget-friendly option while delivering unique features such as a 180° diagonal fisheye perspective. This lens stands out for its creative distortion effects, making it ideal for artistic photography, including astrophotography, thanks to its f/2.0 aperture. The lens is compatible with multiple Sony APS-C models and can also be used on full-frame cameras with APS-C mode enabled. Its capabilities make it a versatile tool for capturing exaggerated perspectives in various settings.
Image Quality Comparison
When it comes to image quality, the Canon RF16mm F2.8 STM Lens is specifically crafted to deliver high image quality with its bright f/2.8 maximum aperture. This lens excels in low-light conditions, providing clarity and detail in challenging environments. In contrast, the TTArtisan 7.5mm F2.0 offers a unique fisheye effect that can create dramatic and wide perspectives, but this comes with inherent distortion that may not appeal to every photographer. The RF16mm lens is likely to provide cleaner, more straightforward images, while the TTArtisan lens focuses on creative visual impacts.
Aperture and Low-Light Performance
The Canon lens features a maximum aperture of f/2.8, which is respectable but not as wide as the TTArtisan lens's f/2.0. This allows the TTArtisan 7.5mm F2.0 to excel in low-light conditions, making it a great choice for night photography or astrophotography. The wider aperture also facilitates more light intake, resulting in brighter images in darker settings. However, the Canon lens’s f/2.8 still offers a good performance in various lighting scenarios and can be particularly effective for vlogging and interior shots where light conditions may vary.
Focusing Capabilities
The Canon RF16mm F2.8 STM Lens boasts a minimum focusing distance of 5.11 inches, allowing for close-up shots while maintaining clarity in the background. This feature is particularly useful for capturing intimate detail in subjects, such as in portrait photography. The TTArtisan 7.5mm F2.0, on the other hand, has a minimum focusing distance of just 4 inches, which enables more extreme close-ups with significant distortion effects. This could be ideal for creative portraits or unique compositions but may not serve traditional photography needs as effectively.
Weight and Portability
Portability is a significant advantage of the Canon RF16mm F2.8 STM Lens, which is described as supremely lightweight and compact for an ultra-wide lens. This makes it a great option for travel or street photography, where carrying less weight is essential. The TTArtisan 7.5mm F2.0, while also compact, is designed for a specific style of photography and may not be as versatile in everyday use. Photographers who prioritize portability and ease of use may find the Canon lens more appealing.
Compatibility and Versatility
The Canon RF16mm F2.8 STM Lens is designed specifically for the EOS R series mirrorless cameras, providing seamless integration and functionality for users of those systems. In contrast, the TTArtisan 7.5mm F2.0 boasts extensive compatibility with various Sony APS-C and full-frame models, enhancing its versatility. This broader compatibility allows more Sony users to explore unique photography styles with the TTArtisan lens, whereas Canon users are limited to the EOS R series.
Which should you buy?
Choosing between the Canon RF16mm F2.8 STM Lens and the TTArtisan 7.5mm F2.0 ultimately depends on your specific photography needs and budget. The Canon lens, priced at $259.00, offers superior image quality, build, and close-focusing capabilities, making it a fantastic all-rounder, especially for landscape and interior photography. However, if you're looking for a creative fisheye effect at a significantly lower price of $139.00, the TTArtisan lens is hard to beat, especially for those interested in unique perspectives and low-light performance. Consider your camera system and shooting style to make the best choice for your photography journey.

