Canon RF45mm F1.2 STM vs VILTROX
Updated July 2026 — Canon RF45mm F1.2 STM wins on price and weight, VILTROX wins on field of view and aperture.
The Canon RF45mm F1.2 STM excels in low-light performance and image quality, while the VILTROX 9mm F2.8 offers great value for budget-conscious photographers.
Why Canon RF45mm F1.2 STM is better
Low-Light
f/1.2 aperture allows for faster shutter speeds in low light.
Bokeh
Creates beautiful subject isolation with smooth bokeh.
Image Quality
Superior optical design enhances sharpness and reduces aberrations.
Why VILTROX is better
Price
Significantly cheaper at $199.
Wide Angle
113.8° ultra-wide field of view for landscapes.
Autofocus
Advanced Eye and Face Detection autofocus technology.
Overall score
Specifications
| Spec | Canon RF45mm F1.2 STM | VILTROX |
|---|---|---|
| Brand | Canon | VILTROX |
| Type | Prime | Prime |
| Mount | RF | E-Mount |
| AutoFocus | Standard | Eye/Face Detection |
| Elements | 1 PMo Aspheric | 13 Elements |
Dimension comparison
Overview of the Canon RF45mm F1.2 STM
The Canon RF45mm F1.2 STM is a high-quality standard prime lens priced at $469.00. This lens is designed for creators seeking an economical yet compact setup while maintaining exceptional performance. The f/1.2 aperture allows for captivating low-light imagery and creates a beautiful bokeh effect, isolating subjects from the background. It is ideal for portraits and everyday narrative photography.
This lens boasts a large-diameter mount and short back focus, which contribute to its compact design. Canon's effective placement of one PMo aspheric lens reduces aberrations, a first for Canon in a f/1.2 lens. Overall, the Canon RF45mm F1.2 STM offers a refined appearance straight from the camera, making it a solid choice for various shooting scenarios.
Overview of the VILTROX 9mm F2.8 E-Mount APS-C Lens for Sony
The VILTROX 9mm F2.8 E-Mount APS-C Lens for Sony is priced at $199.00, making it approximately 57% cheaper than the Canon RF45mm F1.2 STM. This ultra-wide prime lens features a large f/2.8 aperture, allowing it to capture ample light in dimly lit environments. With a 113.8° ultra-wide field of view, it is perfect for landscapes, tight interiors, and vlogs.
Additionally, the lens includes advanced Eye and Face Detection autofocus, ensuring your subjects remain sharp and clear. Its 0.13m minimum focusing distance allows for dramatic foreground-background relationships, enabling creativity in everyday scenes. The VILTROX lens is designed for those who need wide-angle capabilities without breaking the bank.
Aperture and Low-Light Performance
When comparing low-light performance, the Canon RF45mm F1.2 STM stands out with its f/1.2 aperture, allowing for faster shutter speeds in darker situations. This feature is crucial for photographers looking to capture sharp images in challenging lighting conditions. The lens's design also supports beautiful bokeh, enhancing subject isolation.
In contrast, the VILTROX 9mm F2.8 lens, while offering a respectable f/2.8 aperture, may not perform as well in low-light settings as the Canon lens. However, it still captures more light than standard lenses and can achieve cleaner, more detailed nighttime images. In essence, while the Canon lens excels in low-light scenarios, the VILTROX offers decent performance at a lower price point.
Focal Length and Field of View
The Canon RF45mm F1.2 STM provides a standard focal length of 45mm, suitable for portraits and various photography styles. This lens excels in delivering a natural perspective, making it versatile for everyday shooting. It allows for a three-dimensional look due to its ability to create depth with its wide aperture.
On the other hand, the VILTROX 9mm lens offers an ultra-wide angle with a field of view equivalent to 13.5mm on a full-frame camera. This makes it ideal for expansive landscapes and creative vlogging. The significant difference in focal lengths means that these lenses cater to different photography needs, with the Canon lens focusing on portraits and the VILTROX lens excelling in wider contexts.
Autofocus Capabilities
The autofocus technology in the VILTROX 9mm F2.8 lens is noteworthy, featuring Eye and Face Detection autofocus. This ensures that subjects remain sharp and clear, making the lens particularly suitable for dynamic vlogs and spontaneous street photography. The autofocus system is a significant advantage for users who prioritize capturing fast-moving subjects.
In comparison, the autofocus capabilities of the Canon RF45mm F1.2 STM are not explicitly highlighted, but its design suggests efficient focusing, especially in low-light conditions due to its larger aperture. However, the VILTROX lens's advanced autofocus technology may provide a more user-friendly experience for those who require quick adjustments, particularly in fast-paced environments.
Optical Design and Image Quality
The Canon RF45mm F1.2 STM lens features a well-thought-out optical design that includes one PMo aspheric lens, which helps reduce aberrations and enhances image quality. The combination of its large aperture and optical design allows for strikingly sharp images with smooth bokeh, making it a top choice for portrait photographers.
The VILTROX 9mm lens consists of 13 elements in 11 groups, including aspherical and extra-low dispersion elements. This design ensures excellent distortion control and edge-to-edge sharpness, making it reliable for wide-angle photography. While both lenses are designed for high image quality, the Canon lens may have the edge in producing more aesthetically pleasing portraits due to its wider aperture.
Price Comparison and Value
The Canon RF45mm F1.2 STM is priced at $469.00, while the VILTROX 9mm F2.8 E-Mount lens is significantly cheaper at $199.00. This price difference of about $270 means that the VILTROX lens is an appealing option for budget-conscious photographers or those just starting.
Despite the lower price, the VILTROX lens does not compromise on performance, offering a wide aperture and ultra-wide angle that provides great value for its cost. However, for those who require the exceptional low-light capabilities and image quality that the Canon lens provides, the investment may be justified.
Which should you buy?
Choosing between the Canon RF45mm F1.2 STM and the VILTROX 9mm F2.8 E-Mount lens ultimately depends on your specific photography needs. If you are looking for a high-quality portrait lens with excellent low-light performance and a beautiful bokeh effect, the Canon RF45mm F1.2 STM is worth the investment. However, if you need a budget-friendly option with an ultra-wide angle for landscapes and vlogs, the VILTROX 9mm F2.8 offers great value at a significantly lower price. Consider your primary photography style and budget to make the best choice for your needs.

