vsversusfinder

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

Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on optics and build, TTARTISAN AF wins on weight and size.

The Canon RF50mm F1.8 STM Lens offers superior optical performance and low-light capabilities, while the TTARTISAN AF 27mm f2.8 is a more budget-friendly and versatile option.

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

Optical Performance

Better low-light capabilities with f/1.8 aperture

Build Quality

Designed specifically for EOS R series cameras

Creative Control

Includes a control ring for quick adjustments

Why TTARTISAN AF is better

Price

27% cheaper than Canon lens

Portability

Ultra-compact pancake design

Versatility

Compatible with a wider range of Fuji X mount cameras

Overall score

Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens
85
TTARTISAN AF
75

Specifications

SpecCanon RF50mm F1.8 STM Lens, Fixed Focal Length Prime LensTTARTISAN AF
Aperturef/1.8f/2.8
Focal Length50mm27mm
CompatibilityEOS RFuji X
AutofocusStepping MotorSTM Stepping Motor
Control RingYesNo

Dimension comparison

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

Introduction to the Lenses

In the realm of camera lenses, the choice between the Canon RF50mm F1.8 STM Lens and the TTARTISAN AF 27mm f2.8 is significant for photographers. Each lens offers unique features tailored to different needs and preferences. The Canon lens retails for $219.00, while the TTARTISAN is priced at $159.99, making it about 27% cheaper. Understanding the strengths of each lens can help you decide which one better suits your photography style.

Build and Design

When it comes to build and design, the Canon RF50mm F1.8 STM Lens stands out with its compact and lightweight profile, designed specifically for the EOS R series mirrorless cameras. This lens is optimized for portability, making it an excellent choice for photographers who need a reliable lens on the go. In contrast, the TTARTISAN AF 27mm f2.8 is described as an ultra-compact pancake lens, also emphasizing portability. Its minimalist design makes it particularly appealing for travel photographers. Ultimately, both lenses prioritize ease of transport, yet the Canon lens is tailored for a specific camera system, while the TTARTISAN provides versatility across various Fuji X mount cameras.

Optical Performance

Optical performance is crucial when choosing a lens, and the Canon RF50mm F1.8 STM Lens excels with its large f/1.8 aperture, allowing for low-light photography and beautiful background blur. It also features advanced lens coatings to minimize ghosting and flare, ensuring high-quality images. The TTARTISAN AF 27mm f2.8, while also offering a decent aperture, focuses on practical features like eye recognition focus for more precise photography. Both lenses deliver impressive image quality, but the Canon lens may offer more versatility in low-light conditions, thanks to its wider aperture.

Autofocus Capabilities

Autofocus capabilities play a critical role in the usability of a lens, especially for dynamic subjects. The Canon RF50mm F1.8 STM Lens utilizes a stepping motor for smooth and quiet autofocus, which is beneficial during video recording and photography. On the other hand, the TTARTISAN AF 27mm f2.8 also incorporates an STM stepping motor, focusing on efficiency and speed. The added feature of eye recognition focus in the TTARTISAN is particularly appealing for portrait photographers who aim to capture sharp images of their subjects' eyes. While both lenses provide reliable autofocus, the specific features may cater to different photographic needs.

Creative Control

For photographers seeking creative control, the Canon RF50mm F1.8 offers a control ring that allows for direct setting changes, enhancing the shooting experience. This feature is invaluable for those who prefer to make quick adjustments while on the move. The TTARTISAN AF 27mm f2.8 also includes a clicked aperture ring, enabling faster adjustments without navigating through camera menus. This aspect can significantly enhance the shooting process in various settings. Both lenses empower photographers with creative control, but the methods of achieving that control differ, appealing to different styles of shooting.

Compatibility and Versatility

Compatibility is an essential consideration when choosing a lens. The Canon RF50mm F1.8 STM Lens is explicitly designed for the EOS R series mirrorless cameras, ensuring optimal performance with these models. In contrast, the TTARTISAN AF 27mm f2.8 caters to a broader audience, compatible with numerous Fuji X mount cameras, including the X-S10, X-E4, and X-T3. This versatility makes the TTARTISAN a more flexible option for photographers who own multiple Fuji cameras. While both lenses serve specific user bases, the TTARTISAN's wider compatibility may appeal to those looking for adaptability.

Price and Value

Price is a significant factor when considering camera lenses. The Canon RF50mm F1.8 STM Lens is priced at $219.00, while the TTARTISAN AF 27mm f2.8 is available for $159.99, making it about 27% more affordable. For photographers on a budget or those who are just starting, the TTARTISAN offers excellent value without compromising essential features. Meanwhile, the Canon lens may justify its higher price with superior optical performance and build quality, making it worthwhile for serious photographers seeking that extra edge.

User Experience and Feedback

User experience and feedback are critical when evaluating lenses. The Canon RF50mm F1.8 STM Lens is known for its user-friendly design and reliable performance among EOS R users. Photographers often praise its ability to deliver sharp images in various conditions. The TTARTISAN AF 27mm f2.8, while also well-received, highlights its ease of use and compactness, particularly attracting travel photographers. Both lenses have garnered positive feedback, but the specific user experiences may vary based on individual needs and shooting styles.

Which should you buy?

Deciding between the Canon RF50mm F1.8 STM Lens and the TTARTISAN AF 27mm f2.8 ultimately depends on your specific requirements. If you prioritize low-light performance, superior optical quality, and compatibility with EOS R cameras, the Canon lens is a solid choice. However, if you're looking for a budget-friendly, versatile option that works with a range of Fuji X mount cameras, the TTARTISAN is an excellent selection. Both lenses offer unique advantages, but your decision should align with your shooting style and intended use.