Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs VILTROX
Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on price and length, VILTROX wins on aperture.
The Canon RF50mm F1.8 STM Lens excels in low-light performance and versatility, while the VILTROX 28mm f4.5 Pancake Lens offers great value and portability. Choose based on your camera system and needs.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Low-Light Performance
f/1.8 aperture allows for better low-light shooting
Creative Flexibility
wider aperture provides more creative options
Autofocus
smooth and quiet autofocus for video recording
Why VILTROX is better
Price
$99.00 is significantly cheaper
Portability
extremely compact and lightweight design
Convenience
integrated sliding lens cap for easy use
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | VILTROX |
|---|---|---|
| Focal Length | 50mm | 28mm |
| Aperture | f/1.8 | f/4.5 |
| Autofocus | STM | Fixed |
| Lens Type | Prime | Prime |
| Mount Type | Canon RF | Fujifilm X |
Dimension comparison
Overview of the Canon RF50mm F1.8 STM Lens
The Canon RF50mm F1.8 STM Lens offers a versatile and compact option for users of the EOS R series cameras. Priced at $219.00, it delivers impressive optical performance with features that cater to both photography and videography enthusiasts. The lens’s large f/1.8 aperture is particularly beneficial for low-light conditions and creates beautiful background blur, enhancing portrait and macro photography.
In contrast, the VILTROX 28mm f4.5 Pancake Lens is significantly cheaper at $99.00, making it about 55% less expensive than the Canon lens. While it provides a fixed aperture of f/4.5 and exceptional optical performance, it is designed specifically for Fujifilm APS-C mirrorless cameras. Each lens serves different needs based on their unique specifications and intended camera systems.
Design and Portability
The Canon RF50mm F1.8 STM Lens is designed with portability in mind. It is compact and lightweight, making it easy to carry around for various shooting scenarios. This makes it particularly useful for street photography or travel, where having a lightweight kit is crucial.
On the other hand, the VILTROX 28mm f4.5 Pancake Lens takes portability a step further. Measuring just 60.3mm in diameter and 15.25mm thick, and weighing only about 60 grams, it is exceptionally easy to handle and store. This extreme compactness allows photographers to keep it attached to their Fujifilm cameras without feeling weighed down, making it ideal for casual shooting or long outings.
Optical Performance
When it comes to optical performance, the Canon RF50mm F1.8 STM Lens shines with its large f/1.8 aperture, providing excellent low-light capabilities and beautiful bokeh effects. The lens incorporates a PMo aspherical element to combat aberrations and features optimized coatings to minimize ghosting and flare, ensuring vibrant image quality across various lighting conditions.
Conversely, the VILTROX 28mm f4.5 Pancake Lens also boasts impressive optical capabilities with two aspherical and two ED lenses that deliver sharp, clear images with high contrast. However, its fixed aperture of f/4.5 does limit its versatility in low-light situations compared to the Canon lens. While both lenses produce high-quality images, the Canon lens offers more creative flexibility due to its wider aperture.
Autofocus and Usability
The Canon RF50mm F1.8 STM Lens employs a Stepping Motor (Gear-Type STM), which ensures smooth and quiet autofocus performance. This is particularly advantageous for video recording, where noise can detract from the final product. The lens also features a control ring for quick adjustments, enhancing its usability during shoots.
In contrast, the VILTROX 28mm f4.5 Pancake Lens provides a straightforward user experience with its fixed aperture. While it may not have the same level of autofocus sophistication, it compensates with an integrated sliding lens cap for convenience, allowing photographers to quickly cover or uncover the lens without fumbling for a separate cap. Each lens has its own strengths in usability, catering to different user preferences.
Compatibility and Mounting
The Canon RF50mm F1.8 STM Lens is specifically designed for the Canon EOS R series, making it a perfect match for those camera bodies, including the EOS R100, EOS R50, and others. This compatibility ensures that users can take full advantage of the lens’s features without any limitations.
The VILTROX 28mm f4.5 Pancake Lens, however, is tailored for Fujifilm X-mount cameras, including models such as the X-T5 and X-H2. This specialization means that users of Fujifilm cameras will benefit from a lens that enhances their shooting experience, especially since it includes USB firmware upgradability for future compatibility with new camera models. Both lenses are excellent choices for their respective systems, but they cater to different brands.
Price and Value Proposition
The Canon RF50mm F1.8 STM Lens is priced at $219.00, reflecting its advanced features and compatibility with the high-end EOS R series. Its optical performance, low-light capabilities, and creative flexibility justify its price point for serious photographers.
In stark contrast, the VILTROX 28mm f4.5 Pancake Lens costs $99.00, making it approximately 55% cheaper than the Canon lens. This affordability makes it an attractive option for budget-conscious photographers or those just starting with Fujifilm cameras. While it may not offer the same low-light performance as the Canon, its compact design and solid optical quality provide excellent value.
Which should you buy?
Deciding between the Canon RF50mm F1.8 STM Lens and the VILTROX 28mm f4.5 Pancake Lens ultimately depends on your camera system and specific photography needs. If you are using a Canon EOS R series camera and require a lens that excels in low-light conditions and offers versatile creative options, the Canon RF50mm F1.8 is the better choice despite its higher price.
Conversely, if you're a Fujifilm user looking for a lightweight, budget-friendly lens that performs well in various lighting conditions, the VILTROX 28mm f4.5 offers excellent value and convenience. Each lens has its strengths, but your choice should align with your equipment and photography style for the best results.

