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Canon RF vs TTARTISAN AF

Updated July 2026 — Canon RF wins on aperture and autofocus, TTARTISAN AF wins on weight and price.

The Canon RF 50mm F1.8 STM Lens offers superior image quality and a wider aperture, making it ideal for low-light photography, while the TTARTISAN AF 27mm f2.8 Lens excels in portability and affordability.

Why Canon RF is better

Image Quality

Wider f/1.8 aperture for better low-light performance

Autofocus

Smoother and quieter STM motor

Build Quality

Higher quality materials and design

Why TTARTISAN AF is better

Portability

Ultra-compact pancake design

Price

More budget-friendly option

User Features

Includes USB-C for firmware upgrades

Overall score

Canon RF
85
TTARTISAN AF
75

Specifications

SpecCanon RFTTARTISAN AF
Aperturef/1.8f/2.8
FocusingSTMSTM
MountRFFuji X
Weight0.5 lbs0.3 lbs
Price$219.00$159.99

Dimension comparison

Canon RFTTARTISAN AF

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

The Canon RF 50mm F1.8 STM Lens is a compact and lightweight option for photographers looking for versatility. Priced at $219.00, this lens features a wide f/1.8 aperture, making it ideal for capturing sharp images with beautiful background blur. Designed for EOS R-Series cameras, its aspheric lens element and Super Spectra Coating enhance image quality, while the STM motor ensures smooth and fast autofocus. This lens is particularly well-suited for portrait photography, enabling creative expression with its fast aperture.

Overview of the TTARTISAN AF 27mm f2.8 Lens

The TTARTISAN AF 27mm f2.8 APS-C Frame Lens is an ultra-compact pancake lens priced at $159.99. This lens is designed for Fuji X mount cameras, making it a great choice for users of models like the Fujifilm XS10 and X-E4. It features a unique STM stepping motor for smooth focusing and eye recognition focus, allowing photographers to quickly capture fleeting moments. The lens is also equipped with a clicked aperture ring and a USB-C interface for firmware upgrades, enhancing its user-friendliness and performance over time.

Image Quality Comparison

In terms of image quality, the Canon RF 50mm F1.8 STM Lens stands out with its wide f/1.8 aperture, which allows for excellent low-light performance and depth of field control. This is especially beneficial for portrait photographers who want to create a pleasing bokeh effect. The lens’s aspheric element and Super Spectra Coating contribute to sharp, high-contrast images with minimal flare. In contrast, the TTARTISAN AF 27mm f2.8 Lens, while also sharp, has a narrower aperture of f/2.8, which may not perform as well in low-light conditions. However, its compact design makes it easy to carry, appealing to travel photographers.

Autofocus Performance

When it comes to autofocus performance, the Canon RF 50mm F1.8 STM Lens utilizes an STM motor, which is known for its smooth and nearly silent focusing capabilities, making it ideal for video recording as well as photography. The lens is designed for quick responsiveness, which is crucial for capturing fast-moving subjects. On the other hand, the TTARTISAN AF 27mm f2.8 Lens also features an STM stepping motor, providing a smooth focusing experience, particularly with its eye recognition focus technology. This feature adds an extra layer of convenience for portrait and event photographers who need to track subjects quickly.

Portability and Design

The TTARTISAN AF 27mm f2.8 Lens excels in portability, being an ultra-compact pancake design that is easy to carry around. At a price of $159.99, it is about 17% cheaper than the Canon RF 50mm F1.8 STM Lens, making it a budget-friendly option for those who prioritize a lightweight setup. The design is not only practical but also aesthetically pleasing, with a unique clicked aperture ring that enhances the shooting experience. Conversely, while the Canon lens is also compact and lightweight, it is bulkier than the TTARTISAN, which may be a consideration for photographers who travel frequently.

Special Features

The Canon RF 50mm F1.8 STM Lens includes essential features such as Super Spectra Coating to reduce ghosting and flare, enhancing overall image quality. It is tailored for EOS R-Series cameras, making it an optimal choice for users of those systems. The TTARTISAN AF 27mm f2.8 Lens, however, comes with unique features such as an independent clicked aperture ring and a USB-C interface for firmware upgrades. This allows users to keep the lens up-to-date with the latest performance enhancements, which is a significant advantage for tech-savvy photographers.

Price Comparison

The Canon RF 50mm F1.8 STM Lens is priced at $219.00, whereas the TTARTISAN AF 27mm f2.8 Lens is available for $159.99. This price difference of approximately $59 indicates that the TTARTISAN lens is more accessible, especially for beginners or those on a budget. However, the Canon lens offers features that may justify its higher price point for those who require a faster aperture and superior build quality. The choice between these two lenses may largely depend on the photographer's budget and specific needs.

Which should you buy?

Choosing between the Canon RF 50mm F1.8 STM Lens and the TTARTISAN AF 27mm f2.8 Lens ultimately depends on your photography style and priorities. If you seek superior image quality and a wider aperture for portraits and low-light photography, the Canon lens is the way to go. However, if portability, versatility, and a lower price point are more important, the TTARTISAN lens is an excellent choice. Each lens has its strengths, making them suitable for different types of photographers. Consider your specific requirements and budget to make the best decision for your photography journey.