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

Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on portability and aperture, Rokinon wins on weight and angle of view.

The Canon RF50mm F1.8 STM Lens offers excellent low-light performance and portability, while the Rokinon 14mm f/2.8 excels in ultra-wide photography. Choose based on your specific needs.

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

Price

Canon lens is cheaper at $219.00

Portability

Canon lens is compact and lightweight

Low-Light

Canon lens has a larger f/1.8 aperture

Why Rokinon is better

Wide-Angle

Rokinon lens offers a 115.7° angle of view

Build Quality

Rokinon lens is more robust and durable

Sharpness

Rokinon lens has superior image quality for landscapes

Overall score

Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens
85
Rokinon
78

Specifications

SpecCanon RF50mm F1.8 STM Lens, Fixed Focal Length Prime LensRokinon
Focal Length50mm14mm
Max Aperturef/1.8f/2.8
CompatibilityEOS RCanon EF
AutofocusYesNo
Weight0.66 lbs2.0 lbs

Dimension comparison

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

Overview of the Canon RF50mm F1.8 STM Lens

The Canon RF50mm F1.8 STM Lens is a versatile option for photographers looking for a compact and lightweight lens. Priced at $219.00, it offers a large f/1.8 aperture, making it suitable for low-light photography and creative background blur. This lens is designed specifically for Canon's EOS R series mirrorless cameras, ensuring compatibility and optimized performance.

This lens is not just about portability; it also features a stepping motor for smooth and quiet autofocus, which is especially beneficial during video recording. With its optimized lens placement and coatings, the RF50mm lens delivers outstanding color balance while minimizing ghosting and flare. This makes it an excellent choice for a variety of photography styles, from portraits to landscapes.

Overview of the Rokinon 14mm f/2.8 IF ED Super Lens

The Rokinon 14mm f/2.8 IF ED Super Lens is designed for photographers seeking an ultra-wide perspective. At a price of $231.25, this lens provides a remarkable 115.7° angle of view, making it ideal for capturing expansive landscapes and astrophotography. This lens is compatible with Canon EF mounts, adding versatility for those who may use other camera systems as well.

Featuring a robust design and weighing in at 31.7 oz, the Rokinon lens is built for durability, suitable for professional use in various conditions. Its manual focus capability allows for precise control, enabling photographers to achieve optimal sharpness in their images. The lens also includes advanced optical design elements to minimize distortion, ensuring high-quality results.

Image Quality Comparison

In terms of image quality, both lenses offer unique advantages. The Canon RF50mm F1.8 STM Lens is optimized for low-light conditions, thanks to its large f/1.8 aperture, which allows for excellent bokeh and sharp images even in challenging lighting. This lens is particularly effective for portraits, where background blur can enhance the subject's prominence.

Conversely, the Rokinon 14mm f/2.8 lens excels in capturing expansive scenes with exceptional sharpness. With 14 elements in 10 groups, it delivers stunningly detailed images across the entire frame, making it a top choice for landscape and astrophotography. The lens's f/2.8 maximum aperture also provides good low-light performance, although it does not match the RF50mm's capability for background blur.

Build Quality and Design

When it comes to build quality, the Rokinon lens is designed to withstand professional use, weighing 31.7 oz and constructed for durability. Its robust design ensures reliability in various shooting conditions, making it a solid choice for outdoor photographers.

On the other hand, the Canon RF50mm lens is compact and lightweight, making it easy to carry and handle. This lens is more suited for those who prioritize portability without sacrificing quality. While the Rokinon lens offers a more rugged build, the Canon lens's design caters to photographers who value convenience and ease of use.

Autofocus and Manual Focus Capabilities

The Canon RF50mm F1.8 STM Lens boasts a stepping motor that provides smooth and quiet autofocus, ideal for both photography and videography. This feature is particularly beneficial for those who often shoot in quiet environments or need to capture fleeting moments without disturbing the scene.

In contrast, the Rokinon 14mm lens relies on manual focus, which can be a double-edged sword. While it allows for precise focus control, it may not be as user-friendly for those who are accustomed to autofocus systems. However, experienced photographers who prefer manual control may find this aspect to be an advantage, especially when aiming for creative effects.

Pricing and Value

The Canon RF50mm F1.8 STM Lens is priced at $219.00, making it about 5.5% cheaper than the Rokinon 14mm lens, which retails for $231.25. This price difference could be significant for budget-conscious photographers looking for quality lenses without breaking the bank.

Considering the features and performance of both lenses, the Canon lens offers excellent value, especially for those using EOS R series cameras. The Rokinon lens, while slightly more expensive, provides unique capabilities that may justify its cost for specific photography needs, particularly in landscape and astrophotography.

Applications and Use Cases

The Canon RF50mm lens shines in portrait photography, street photography, and general-purpose shooting due to its versatile focal length and low-light capabilities. Its compact size makes it an ideal travel companion, allowing photographers to easily capture stunning shots in various situations.

On the other hand, the Rokinon 14mm lens is tailored for wide-angle photography, making it perfect for landscapes, real estate photography, and astrophotography. Its ultra-wide perspective allows photographers to capture vast scenes and creative compositions, making it a favorite among landscape and nature photographers.

Which should you buy?

Ultimately, the choice between the Canon RF50mm F1.8 STM Lens and the Rokinon 14mm f/2.8 IF ED Super Lens depends on your specific photography needs. If you prioritize portability, low-light performance, and versatility, the Canon lens is an excellent choice, especially at a lower price point. However, if you are seeking an ultra-wide perspective for landscapes or astrophotography and value a robust build, the Rokinon lens may be worth the investment. Consider your shooting style and requirements carefully before making a decision.