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Canon RF45mm F1.2 STM vs VILTROX

Updated July 2026 — Canon RF45mm F1.2 STM wins on price and weight, VILTROX wins on angle of view and aperture.

The Canon RF45mm F1.2 STM excels in low-light performance and versatility, while the VILTROX 15mm F1.7 offers great value for budget-conscious photographers.

Why Canon RF45mm F1.2 STM is better

Low-light Performance

Wider aperture of f/1.2 allows for better low-light photography.

Versatility

Suitable for a wider range of photography styles.

Image Quality

Advanced optical design reduces aberrations effectively.

Why VILTROX is better

Price

About 49% cheaper than the Canon lens.

Weight

Lightweight and portable for travel.

Autofocus Speed

Fast STM motor for quick focus on moving subjects.

Overall score

Canon RF45mm F1.2 STM
85
VILTROX
75

Specifications

SpecCanon RF45mm F1.2 STMVILTROX
AutofocusGoodExcellent
Image StabilizationNoNo
Close Focus0.45m0.23m
Video CapabilityGoodExcellent
Bokeh QualityExcellentGood

Dimension comparison

Canon RF45mm F1.2 STMVILTROX

Overview of the Canon RF45mm F1.2 STM

The Canon RF45mm F1.2 STM is a standard prime lens that excels in low-light conditions with its large f/1.2 aperture. This lens is ideal for creators looking for an economical yet high-performance option. Its price is set at $469.00, making it a premium choice among lenses but one that promises exceptional image quality and versatility.

This lens features a compact design, aided by a large-diameter mount and short back focus, which makes it easier to carry and handle. The RF45mm also incorporates one PMo aspheric lens to effectively reduce aberrations, a notable advancement for Canon in a lens of this aperture range. The result is a lens that not only captures stunning images but also provides a three-dimensional quality through its impressive bokeh.

Overview of the VILTROX 15mm F1.7 E-Mount Lens

The VILTROX 15mm F1.7 E-Mount Lens, priced at $239.00, is an ultra-wide-angle lens designed for Sony E-mount cameras. This lens is about 49% cheaper than the Canon lens, making it a budget-friendly option for photographers seeking wide-angle capabilities. It features an impressive 84.9° angle of view, making it perfect for landscapes, architecture, and VLOG photography.

Additionally, the lens includes an STM motor for precise and fast autofocus, which is particularly advantageous for capturing moving subjects. With a close focusing distance of 0.23m, users can achieve creative shots that emphasize depth and perspective. The VILTROX lens is also optimized for video shooting, ensuring smooth focus transitions, which is essential for dynamic content creation.

Image Quality Comparison

When it comes to image quality, the Canon RF45mm F1.2 STM stands out with its wider aperture of f/1.2. This allows for faster shutter speeds in low-light situations, enabling photographers to capture high-quality images with minimal noise. The lens's advanced aspheric lens design further reduces aberrations, ensuring sharpness and clarity across the frame.

On the other hand, the VILTROX 15mm F1.7, while also delivering good image quality, does not match the low-light performance of the Canon. Its f/1.7 aperture still provides a decent amount of light and helps create a pleasing background blur, but it may not achieve the same level of bokeh or three-dimensionality as the Canon lens. Therefore, if low-light performance and depth of field are priorities, the Canon has a definitive edge.

Versatility and Use Cases

The Canon RF45mm F1.2 STM is remarkably versatile. It is well-suited for a variety of photography styles, including portraits, lifestyle content, and everyday narratives. Its ability to create a three-dimensional look with a soft background makes it perfect for isolating subjects from their surroundings, enhancing the overall aesthetic of the images.

Conversely, the VILTROX 15mm F1.7 shines in specific use cases such as landscape and architectural photography, where a wider field of view is essential. Additionally, its fast autofocus capabilities make it suitable for VLOGs and action shots. However, its specialization in wide-angle photography may limit its versatility compared to the Canon lens, which can handle a broader range of photographic scenarios effectively.

Autofocus Performance

Autofocus performance is a crucial factor for many photographers, and here the VILTROX 15mm F1.7 excels due to its STM motor, which provides fast and accurate focusing. This feature is particularly beneficial when capturing moving subjects or in dynamic shooting environments, allowing photographers to lock onto their focus quickly.

The Canon RF45mm F1.2 STM, while also offering good autofocus capabilities, may not match the speed of the VILTROX in certain situations. However, its overall autofocus performance remains reliable, especially in more controlled environments. For those focused primarily on action or fast-paced shooting, the VILTROX would likely be the preferred choice.

Portability and Build Quality

The Canon RF45mm F1.2 STM is designed to be compact and lightweight, making it an excellent option for photographers who need to carry their gear for extended periods. Its robust build quality ensures durability, which is a significant consideration for many creators who often work in diverse environments.

In contrast, the VILTROX 15mm F1.7 is also lightweight and easy to handle, particularly appealing for travel photographers or vloggers who prioritize portability. Despite its lower price point, the VILTROX does not compromise on build quality, making it a reliable choice for everyday use. Both lenses score well in portability, but the Canon may have a slight advantage due to its advanced optical design and features.

Price and Value for Money

The price difference between the two lenses is significant, with the Canon RF45mm F1.2 STM retailing at $469.00 and the VILTROX 15mm F1.7 at $239.00. This makes the VILTROX about 49% cheaper than its Canon counterpart. For budget-conscious photographers, the VILTROX offers excellent value, especially considering its wide-angle capabilities and autofocus performance.

However, the Canon lens justifies its higher price with superior low-light performance and image quality. For professional photographers or serious enthusiasts who demand the best performance, the investment in the Canon lens may be worthwhile. Ultimately, the choice depends on whether you prioritize budget over advanced features or vice versa.

Which should you buy?

Choosing between the Canon RF45mm F1.2 STM and the VILTROX 15mm F1.7 E-Mount Lens largely hinges on your specific photography needs and budget. If you require exceptional low-light performance, a versatile prime lens, and are willing to invest more, the Canon RF45mm F1.2 STM is the better option. Conversely, if you're looking for a budget-friendly ultra-wide-angle lens with solid autofocus capabilities for landscapes or VLOGs, the VILTROX 15mm F1.7 is a compelling choice. Each lens has its strengths, catering to different styles and requirements in the photography world.