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Canon RF45mm F1.2 STM vs VILTROX

Updated July 2026 — Canon RF45mm F1.2 STM wins on price and build, VILTROX wins on focal length and aperture.

The Canon RF45mm F1.2 STM offers superior image quality and low-light performance, while the VILTROX 56mm F1.7 is a budget-friendly option for casual photographers.

Why Canon RF45mm F1.2 STM is better

Low-light Performance

f/1.2 aperture allows for better low-light shooting

Image Quality

Advanced optical design minimizes aberrations

Build Quality

Robust construction suitable for various environments

Why VILTROX is better

Price

Significantly cheaper at $180.00

Weight

Lightweight design at 171g

Portability

Ideal for travel and everyday use

Overall score

Canon RF45mm F1.2 STM
88
VILTROX
76

Specifications

SpecCanon RF45mm F1.2 STMVILTROX
Max Aperturef/1.2f/1.7
Focal Length45mm56mm
Weight0.5kg0.171kg
BrandCanonVILTROX
CompatibilityCanon RFFujifilm X

Dimension comparison

Canon RF45mm F1.2 STMVILTROX

Overview of the Canon RF45mm F1.2 STM

The Canon RF45mm F1.2 STM lens is priced at $469.00 and offers a standard focal length with a wide maximum aperture of f/1.2. This lens is designed for creators seeking a compact setup that excels in low-light conditions and produces beautiful bokeh. The lens features a large-diameter mount and an effective PMo aspheric lens to reduce aberrations, making it a strong contender for portrait and lifestyle photography. Its combination of performance and portability makes it appealing for both professional and amateur photographers alike.

Overview of the VILTROX 56mm F1.7 Fuji XF

In contrast, the VILTROX 56mm F1.7 Fuji XF is priced significantly lower at $180.00, making it about 62% cheaper than the Canon lens. This prime portrait-length lens is specifically designed for APS-C-format FUJIFILM X-mount mirrorless cameras, providing an equivalent focal length of 85mm. With a maximum aperture of f/1.7, it also performs well in low-light settings. Weighing only 171g, the VILTROX lens is lightweight and travel-friendly, making it an excellent choice for everyday use and casual shooting.

Image Quality Comparison

When it comes to image quality, the Canon RF45mm F1.2 STM stands out with its larger f/1.2 aperture, which allows for faster shutter speeds and exceptional low-light performance. This results in striking images with a three-dimensional look, perfect for isolating subjects from their backgrounds. The lens's advanced optical design minimizes aberrations, making it an ideal choice for high-quality portraits. On the other hand, while the VILTROX 56mm F1.7 also offers good image quality with its nine-blade diaphragm for pleasing bokeh, its f/1.7 aperture may not deliver the same level of low-light performance as the Canon lens.

Build Quality and Design

The Canon RF45mm F1.2 STM boasts a solid build quality typical of Canon's premium lenses. Its compact design makes it easy to carry, while the large-diameter mount contributes to its overall performance. The lens is designed for durability, suitable for both studio and outdoor settings. In comparison, the VILTROX 56mm F1.7 is lightweight at just 171g, making it incredibly portable. However, its construction may not feel as robust as the Canon's, which could be a consideration for photographers who prioritize durability in challenging environments.

Autofocus Performance

The autofocus performance of the Canon RF45mm F1.2 STM is enhanced by its advanced optical design, providing fast and accurate focusing capabilities that are particularly beneficial for capturing fleeting moments. Conversely, the VILTROX 56mm F1.7 employs an STM stepper motor for quiet autofocus, which is suitable for both photo and video shooting. While both lenses offer effective autofocus, the Canon lens is likely to perform better in more demanding scenarios, especially in low-light conditions where quick focusing is essential.

Target Audience

The Canon RF45mm F1.2 STM is ideally suited for professional photographers and serious enthusiasts who require high-quality optics and versatility in various shooting conditions. Its price reflects its premium status, making it a worthwhile investment for those focused on portraiture and artistic photography. On the other hand, the VILTROX 56mm F1.7 is aimed at casual photographers and those on a budget who still want to achieve good results without breaking the bank. Its lightweight design and lower price point make it a great entry-level option for Fujifilm users.

Versatility and Use Cases

The Canon RF45mm F1.2 STM excels in versatility, making it suitable for a range of applications, including portraits, lifestyle photography, and even some event coverage. Its wide aperture allows for creative control over depth of field, enhancing the storytelling aspect of images. In comparison, the VILTROX 56mm F1.7 also serves well for portrait photography and casual shooting but may not offer the same level of versatility in low-light scenarios. It is best for users who primarily shoot in well-lit environments or those who are just starting and exploring their photography options.

Which should you buy?

When deciding between the Canon RF45mm F1.2 STM and the VILTROX 56mm F1.7 Fuji XF, consider your budget and photography needs. The Canon lens, at $469.00, offers superior low-light performance and image quality, making it ideal for professional use. However, if you are on a budget and primarily shoot with Fujifilm X-mount cameras, the VILTROX lens at $180.00 provides excellent value while still delivering solid performance. Ultimately, your choice will depend on whether you prioritize premium features or cost-effectiveness in your lens selection.