Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs Sony E
Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on price and image quality, Sony E wins on focal length and autofocus.
The Canon RF50mm F1.8 STM Lens is a more affordable and versatile option for general photography, while the Sony E 11mm F1.8 excels in wide-angle and video applications. Choose based on your specific needs.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Price
Canon is significantly cheaper at $219.
Versatility
Canon's 50mm focal length is great for portraits and landscapes.
Size
Canon lens is compact and lightweight.
Why Sony E is better
Wide-Angle
Sony offers an 11mm field of view for expansive shots.
Autofocus
Sony has faster autofocus with two linear motors.
Video Features
Sony is optimized for video content creation.
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | Sony E |
|---|---|---|
| Brand | Canon | Sony |
| Current Price | $219.00 | $698.00 |
| Aperture | f/1.8 | f/1.8 |
| Focal Length | 50mm | 11mm |
| Weight | Lightweight | Compact |
| Compatibility | EOS R series | APS-C E-mount |
Dimension comparison
Overview
The Canon RF50mm F1.8 STM Lens and the Sony E 11mm F1.8 APS-C Ultra-Wide-Angle Prime are both excellent prime lenses aimed at different photography styles. The Canon lens is priced at $219.00, while the Sony lens is significantly more expensive at $698.00, making it about 217% higher in cost. This price difference reflects the distinct features and applications of each lens, catering to different user needs.
Design and Build Quality
The Canon RF50mm F1.8 STM Lens is compact and lightweight, perfect for users who prioritize portability. In contrast, the Sony E 11mm F1.8 is also designed to be compact, making it a good match for APS-C and Super35 E-mount cameras. While both lenses are built for ease of use, the Sony lens has a refined internal focus mechanism that keeps its length constant during focusing. This feature enhances balance and handling, particularly beneficial for video content creators who require stability.
Focal Length and Aperture
The Canon RF50mm has a fixed focal length of 50mm, which is versatile for various shooting scenarios—from portraits to landscapes. Its large f/1.8 aperture makes it suitable for low-light conditions and allows for creative background blur. On the other hand, the Sony E 11mm offers a wide 11mm field of view, making it ideal for capturing expansive scenes and vlogging. Both lenses feature a large f/1.8 aperture, but the Canon's focal length provides a different perspective that can be more suited for detailed portrait work.
Autofocus Performance
The autofocus capabilities of both lenses are impressive, yet they cater to different needs. The Canon RF50mm features a Stepping Motor (Gear-Type STM) that provides smooth and quiet continuous autofocus, making it a solid choice for both stills and video. The Sony E 11mm, however, employs two linear motors that deliver fast and precise autofocus, crucial for capturing fast-moving subjects. This level of responsiveness is particularly valuable for video content creators, as it minimizes focus breathing and angle of view shifts during filming.
Image Quality
In terms of image quality, both lenses excel, but they serve different functions. The Canon RF50mm is designed to deliver outstanding color balance while minimizing ghosting and flare, making it a reliable choice for varied lighting conditions. The Sony E 11mm lens claims corner-to-corner sharpness and natural bokeh, ideal for dynamic scenes and landscapes. Ultimately, the choice between them may depend on whether you prioritize portrait photography or wide-angle shots.
Compatibility
Compatibility is a crucial factor when choosing a lens. The Canon RF50mm is specifically designed for EOS R series mirrorless cameras, ensuring seamless integration and performance. The Sony E 11mm is compatible with APS-C and Super35 E-mount cameras, which include a broader range of Sony's mirrorless lineup. If you already own a camera from either brand, the respective lenses will complement your existing gear effectively.
Price Comparison
The Canon RF50mm is priced at $219.00, making it a more budget-friendly option compared to the Sony E 11mm, which retails for $698.00. This substantial price difference of $479 highlights the Canon lens as a more accessible choice for those looking to enhance their photography without breaking the bank. Despite the higher cost, the Sony lens offers features that may appeal to specific niches, such as vlogging and capturing wide landscapes.
Which should you buy?
Choosing between the Canon RF50mm F1.8 STM Lens and the Sony E 11mm F1.8 APS-C Ultra-Wide-Angle Prime ultimately depends on your photography needs and budget. If you are looking for a versatile and affordable lens primarily for portraits and general photography, the Canon RF50mm is an excellent choice at $219.00. Conversely, if your focus is on wide-angle shots and you need features tailored for video content creation, the Sony E 11mm is worth the investment at $698.00. Each lens has its strengths, catering to different styles and preferences, making the decision highly personal.

