Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs Sony FE
Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on focal length and versatility, Sony FE wins on price and autofocus.
The Canon RF50mm F1.8 STM lens offers excellent value and versatility at a much lower price, while the Sony FE 35mm f/1.8 lens provides advanced features for serious photographers.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Price
Canon is $579 cheaper than Sony
Weight
Canon is more portable and lightweight
Versatility
Canon's focal length is ideal for various photography styles
Why Sony FE is better
Autofocus
Sony has a faster autofocus system
Bokeh Quality
Sony's nine-blade aperture enhances bokeh
Build Quality
Sony may offer superior materials and craftsmanship
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | Sony FE |
|---|---|---|
| Brand | Canon | Sony |
| Current Price | $219.00 | $798.00 |
| Aperture | f/1.8 | f/1.8 |
| Weight | 0.5 lbs | 0.6 lbs |
| Focal Length | 50mm | 35mm |
Dimension comparison
Introduction to the Canon RF50mm F1.8 STM Lens
The Canon RF50mm F1.8 STM lens offers a compact and lightweight option for users of EOS R series mirrorless cameras. Priced at $219.00, it provides excellent value for photographers seeking quality without breaking the bank. This lens features a large aperture of f/1.8, making it ideal for low-light conditions while allowing for beautiful background blur, a significant advantage for portrait photography.
In contrast, the Sony FE 35mm f/1.8 lens, which comes in at a considerably higher price of $798.00, is designed for Sony E-mount cameras. While it boasts features like a nine-blade circular aperture for gorgeous bokeh, the price difference of about 264% raises questions about what additional value it brings to the table.
Build Quality and Design
When it comes to build quality, both lenses are designed with portability in mind. The Canon RF50mm F1.8 STM lens is compact and lightweight, making it easy to carry around for everyday shooting. Its small size complements the EOS R series cameras nicely, ensuring a balanced setup.
The Sony FE 35mm f/1.8 lens also emphasizes portability, setting a new standard with its compact design. While both lenses are lightweight, the substantial price difference may suggest that the Sony lens offers superior materials or craftsmanship. However, without specific details on build quality, it's difficult to quantify the difference in durability or feel.
Optical Performance
Optical performance is a crucial factor for any lens, and both the Canon RF50mm F1.8 STM and the Sony FE 35mm f/1.8 excel in this regard. The Canon lens features a large f/1.8 aperture along with optimized lens placement and coatings that minimize ghosting and flare, ensuring outstanding color balance in images. This makes it suitable for a variety of photography styles, from landscapes to portraits.
On the other hand, the Sony lens incorporates an aspherical element to suppress aberrations, delivering high resolution. Its large aperture also contributes to beautiful bokeh, making it a favorite among photographers who prioritize aesthetic quality in their images. With both lenses performing well, the choice may hinge on specific shooting needs rather than outright optical superiority.
Autofocus Capabilities
Autofocus capabilities can significantly impact the shooting experience, especially for video recording and fast-paced photography. The Canon RF50mm F1.8 STM is equipped with a stepping motor that provides smooth and quiet continuous autofocus, making it suitable for capturing both stills and video without distracting noise.
Conversely, the Sony FE 35mm f/1.8 lens features a fast, precise, and quiet linear-motor autofocus system. This suggests that it may excel in scenarios requiring quick focus adjustments, such as during events or wildlife photography. Although both lenses offer quiet autofocus, the Sony's advanced system could be a deciding factor for videographers.
Versatility and Use Cases
Versatility is another important consideration when selecting a lens. The Canon RF50mm F1.8 STM lens is a fixed focal length lens that encourages creativity with composition. It is well-suited for a broad range of photography styles, including snapshots, portraits, and landscapes. Its compact nature makes it an ideal travel companion.
The Sony FE 35mm f/1.8 lens, while also versatile, has a slightly wider focal length that may appeal to those capturing broader scenes or street photography. Its close minimum focus distance of 8.66 inches allows for unique compositions, enhancing its versatility. Both lenses are excellent choices, but the Canon offers a focal length that many consider a standard choice for various photography types.
Price Comparison
Price is a significant factor when comparing the Canon RF50mm F1.8 STM lens and the Sony FE 35mm f/1.8 lens. The Canon lens is priced at $219.00, while the Sony lens is priced at $798.00. This represents a staggering difference of about $579, making the Canon lens about 73% cheaper than its Sony counterpart.
For those on a budget, the Canon RF50mm F1.8 STM lens offers remarkable features at a fraction of the price, allowing for high-quality photography without substantial financial investment. This price difference is an essential consideration for many photographers, especially beginners or enthusiasts looking to expand their lens collection affordably.
Conclusion on User Experience
User experience can vary significantly based on the lens chosen. The Canon RF50mm F1.8 STM lens is praised for its ease of use, portability, and quality output, making it a favorite for casual and professional photographers alike. It’s particularly appealing to those who shoot with EOS R series cameras, as it fits seamlessly into that ecosystem.
The Sony FE 35mm f/1.8 lens, while higher in price, offers advanced features and capabilities that may be worth the investment for serious photographers. Its excellent autofocus system and optical quality make it a top choice for those who prioritize performance. However, the higher price might be a barrier for some users.
Which should you buy?
Choosing between the Canon RF50mm F1.8 STM lens and the Sony FE 35mm f/1.8 lens ultimately depends on your camera system, budget, and specific photography needs. If you're using an EOS R series camera and looking for an affordable, versatile lens, the Canon RF50mm F1.8 STM lens is hard to beat at $219.00. On the other hand, if you have a Sony E-mount camera and are willing to invest in advanced features and superior autofocus capabilities, the Sony FE 35mm f/1.8 lens may justify its higher price of $798.00. Both lenses have distinct advantages, but the decision should align with your photographic style and budget.

