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Canon RF vs Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens

Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens leads on versatility and weight.

The Canon RF50mm F1.8 STM Lens offers additional features that enhance its versatility, making it the better choice for users who prioritize videography. However, both lenses are excellent options for photography.

Why Canon RF is better

Price

Both lenses are priced the same at $219.00.

Weight

Both lenses are compact and lightweight.

Aperture

Both lenses have a wide f/1.8 aperture.

Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better

Control Ring

RF50mm has a control ring for direct setting changes.

Autofocus

RF50mm emphasizes video autofocus capabilities.

Versatility

RF50mm is marketed for a wider range of photography styles.

Overall score

Canon RF
85
Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens
90

Specifications

SpecCanon RFCanon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens
BrandCanonCanon
Price$219.00$219.00
Focal Length50mm50mm
Aperturef/1.8f/1.8
Autofocus TypeSTMGear-Type STM

Dimension comparison

Canon RFCanon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens

Overview of the Canon RF 50mm F1.8 STM Lens

The Canon RF 50mm F1.8 STM Lens and the Canon RF50mm F1.8 STM Lens are both priced at $219.00. However, they feature distinct characteristics that may influence your choice. Both lenses are designed for EOS R series cameras, but their descriptions highlight different functionalities and user experiences.

The Canon RF 50mm F1.8 STM Lens is touted as a compact, lightweight option that excels in creative photography, especially portraits. Its advanced STM motor ensures smooth and silent autofocus, making it ideal for capturing sharp images with beautiful background blur. On the other hand, the Canon RF50mm F1.8 STM Lens emphasizes its versatility as a fixed focal length lens, suitable for a wide range of photography styles, from snapshots to landscapes.

Build Quality and Design

Both lenses are compact and lightweight, making them easy to carry for photography on the go. The Canon RF 50mm F1.8 STM Lens is described as a "compact, lightweight option," while the Canon RF50mm F1.8 STM Lens highlights its compact design as part of the EOS R System.

While both lenses share a similar aesthetic and purpose, the RF50mm version features a control ring that allows for direct setting changes, enhancing user interaction. This added feature can be particularly beneficial for videographers and photographers who want to make quick adjustments without digging into camera menus.

Optical Performance

In terms of optical performance, both lenses are designed to deliver impressive image quality. The Canon RF 50mm F1.8 STM Lens is equipped with an aspheric lens element and Super Spectra Coating, which helps reduce ghosting and flare while enhancing color accuracy.

Conversely, the Canon RF50mm F1.8 STM Lens also includes PMo aspherical optics, which aim to suppress aberrations and improve image clarity. Both lenses feature a wide f/1.8 aperture, allowing for low-light photography and beautiful circular bokeh effects. This similarity in aperture size ensures that users of either lens can achieve stunning photographic results.

Autofocus Capabilities

Autofocus is a critical feature for photographers, and both lenses employ STM motors for smooth and quiet focusing. The Canon RF 50mm F1.8 STM Lens boasts a near-silent autofocus system, making it ideal for both still photography and video recording.

The Canon RF50mm F1.8 STM Lens elaborates on its autofocus system by highlighting its "Stepping Motor (Gear-Type STM)," which provides continuous AF during video recording as well as photo shooting. This explicit mention of video performance might make the RF50mm lens more appealing to users who prioritize videography alongside photography.

Versatility in Photography

Both lenses are categorized as fixed focal length lenses, which naturally limits the zoom capabilities but encourages creativity in composition. The Canon RF 50mm F1.8 STM Lens is particularly noted for its suitability for portraits, thanks to its wide aperture and sharpness, while also being versatile enough for other photography styles.

The Canon RF50mm F1.8 STM Lens, however, emphasizes its usability across various genres, including landscapes and snapshots. This broader claim could attract photographers looking for a single lens that can adapt to multiple shooting conditions without compromising on quality.

Price and Value

Both the Canon RF 50mm F1.8 STM Lens and the Canon RF50mm F1.8 STM Lens have the same price point of $219.00, making them equally accessible to consumers. However, the average price over the last 90 days for the RF 50mm lens is $220.32, while the RF50mm lens averaged $222.25, suggesting that the RF 50mm lens has been about 1.8% cheaper on average.

While the price difference is minimal, the added features of the RF50mm lens, such as the control ring and specific focus on video capabilities, may justify its value depending on the user's needs.

Target Audience

The Canon RF 50mm F1.8 STM Lens is likely aimed at photographers who prioritize a lightweight and compact option for portrait photography and general use. Its straightforward design and user-friendly features make it appealing for both amateurs and professionals.

In contrast, the Canon RF50mm F1.8 STM Lens seems more tailored for a wider audience, including videographers who require smooth autofocus and additional control features. Its versatility in handling various photography styles can attract users who want a multi-purpose lens without the need for multiple lenses.

Which should you buy?

Choosing between the Canon RF 50mm F1.8 STM Lens and the Canon RF50mm F1.8 STM Lens ultimately depends on your specific photography needs. If you prioritize a lightweight, straightforward lens for portrait photography, the Canon RF 50mm F1.8 STM Lens may be your best bet. However, if you value versatility and features aimed at videography, the Canon RF50mm F1.8 STM Lens could serve you better. Both lenses are priced the same, but the added features of the RF50mm lens may justify its purchase for users looking for a more comprehensive photographic tool.