Canon RF45mm F1.2 STM vs VILTROX
Updated July 2026 — Canon RF45mm F1.2 STM wins on aperture and optical quality, VILTROX wins on price and weight.
The Canon RF45mm F1.2 STM excels in low-light performance and creative control, while the VILTROX 85mm F2.0 Z offers great value for budget-conscious photographers.
Why Canon RF45mm F1.2 STM is better
Aperture
f/1.2 vs f/2.0 for better low-light performance
Optical Quality
Superior aberration control with PMo aspheric lens
Creative Control
Wider aperture allows for more artistic flexibility
Why VILTROX is better
Price
41% cheaper than Canon
Weight
Lighter and more portable design
Close-Up
Minimum focus distance of 0.74m for detailed shots
Overall score
Specifications
| Spec | Canon RF45mm F1.2 STM | VILTROX |
|---|---|---|
| Aperture | f/1.2 | f/2.0 |
| Weight | 500g | 360g |
| Focus Distance | 0.85m | 0.74m |
| Optical Design | 1 PMo aspheric | 10 elements in 8 groups |
| Autofocus | Effective | Stepping Motor |
Dimension comparison
Overview of the Canon RF45mm F1.2 STM and VILTROX 85mm F2.0 Z Lens
The Canon RF45mm F1.2 STM lens and the VILTROX 85mm F2.0 Z lens represent two compelling options for photographers, each catering to different needs. The Canon lens is priced at $469.00, while the VILTROX lens is significantly cheaper at $275.00, making it about 41% less expensive. Choosing between these two lenses involves considering various factors such as aperture, design, and usability for different types of photography.
Aperture and Low-Light Performance
A major distinction between the two lenses lies in their aperture capabilities. The Canon RF45mm features an impressive f/1.2 aperture, allowing for exceptional low-light performance and the ability to create a three-dimensional look in images. It excels in isolating subjects from the background, making it ideal for portraiture and lifestyle photography. On the other hand, the VILTROX 85mm offers a more modest f/2.0 aperture. While it still provides good low-light capabilities, it does not match the light-gathering prowess of the Canon lens. This difference in aperture translates directly into the creative flexibility each lens offers in various lighting conditions.
Optical Quality and Sharpness
In terms of optical design, both lenses aim to reduce aberrations and enhance image quality. The Canon RF45mm employs effective placement of one PMo aspheric lens, which is a first for Canon in a f/1.2 lens, helping to minimize distortions. In contrast, the VILTROX 85mm is engineered with 10 elements in 8 groups, incorporating Extra-low Dispersion (ED) elements that significantly reduce chromatic aberration. This optical design results in crisp and vivid images. Photographers focused on achieving high-quality portraits may find both lenses capable, but the Canon lens's wider aperture may provide an edge in artistic expression.
Autofocus Performance
When it comes to autofocus capabilities, both the Canon RF45mm and VILTROX 85mm utilize advanced technologies to ensure precise focusing. The VILTROX lens features a Stepping Motor (STM) that allows for smooth and quiet autofocus, making it suitable for both photography and video work. While the Canon lens does not specifically mention its autofocus technology, it is designed for effective low-light performance and subject isolation, which implies a strong capability as well. For those prioritizing video work or quiet environments, the VILTROX lens may be the preferred option due to its enhanced autofocus performance.
Build Quality and Portability
Build quality and portability are crucial for photographers who often work in dynamic environments. The VILTROX 85mm is designed to be compact and lightweight, weighing only 360 grams, and measuring φ69mm x 78mm. This ergonomic design is conducive to handheld shooting during extended sessions. The Canon RF45mm, while compact for a lens with an f/1.2 aperture, does not specifically emphasize weight or portability. For photographers who prioritize a lighter setup for travel or long shoots, the VILTROX lens offers a more manageable option.
Creative Control and Versatility
Both lenses cater to different creative needs. The Canon RF45mm is designed for creating images with a refined appearance directly from the camera, thanks to its large aperture. This makes it ideal for portraits, lifestyle, and narrative photography. The VILTROX 85mm, with its close-up focus distance of just 0.74 meters, excels in portrait work, allowing photographers to capture intricate details. While both lenses are versatile, the Canon lens may provide more creative control in challenging lighting conditions due to its wider aperture.
Price Point and Value for Money
Price is a significant factor for many photographers when selecting a lens. The Canon RF45mm is priced at $469.00, while the VILTROX 85mm is available for $275.00. This means the VILTROX lens is about 41% cheaper, offering excellent value for those on a budget. However, the Canon lens delivers superior low-light performance and creative capabilities, which may justify its higher price for professionals or enthusiasts who prioritize these features. Ultimately, the choice will depend on individual budgetary constraints and specific photography needs.
Which should you buy?
Choosing between the Canon RF45mm F1.2 STM and the VILTROX 85mm F2.0 Z lens depends largely on your photographic style and requirements. If you need a lens that excels in low-light conditions and offers greater creative control through a wider aperture, the Canon RF45mm is the superior choice, albeit at a higher price. However, if you're looking for an affordable option that still delivers great performance for portraits and a lightweight design, the VILTROX 85mm provides excellent value. Ultimately, consider what features matter most to you—whether it's aperture, autofocus performance, or price—before making your decision.

