Canon EF vs TTARTISAN AF
Updated July 2026 — Canon EF wins on price and focal length, TTARTISAN AF wins on aperture.
The Canon EF 50mm f/1.8 STM Lens excels in low-light performance and image quality, while the TTARTISAN AF 27mm f2.8 offers superior portability and eye tracking features.
Why Canon EF is better
Low-light Performance
Canon lens has a maximum aperture of f/1.8.
Image Quality
Canon lens captures sharper images with vivid colors.
Focal Length
Canon lens offers a standard 50mm focal length.
Why TTARTISAN AF is better
Portability
TTARTISAN lens is ultra-compact and lightweight.
Eye Tracking
TTARTISAN lens features accurate eye recognition focus.
Price
TTARTISAN lens is slightly cheaper at $159.99.
Overall score
Specifications
| Spec | Canon EF | TTARTISAN AF |
|---|---|---|
| Max Aperture | f/1.8 | f/2.8 |
| Focal Length | 50mm | 27mm |
| Weight | 5.6 oz | 4.0 oz |
| Compatibility | Canon EOS | Fujifilm X |
| Focus Type | STM | STM |
Dimension comparison
Overview
When it comes to choosing between the Canon EF 50mm f/1.8 STM Lens and the TTARTISAN AF 27mm f2.8 Pancake Lens, both options present unique advantages based on their design and intended use. The Canon lens is priced at $169.00, while the TTARTISAN lens comes in at a slightly lower price of $159.99, making it about 17% cheaper at $159.99. This price difference may influence budget-conscious photographers looking for quality.
Design and Portability
The TTARTISAN AF 27mm f2.8 is designed as an ultra-compact pancake lens, making it incredibly portable for travel and street photography. Its lightweight and compact design enables photographers to easily carry it around, ensuring they can capture moments without the bulk of larger lenses. The Canon EF 50mm f/1.8 STM, while still compact, is larger and heavier, weighing approximately 5.6 ounces. Therefore, if portability is a top priority, the TTARTISAN lens may be the better choice.
Focal Length and Aperture
In terms of focal length, the Canon EF 50mm f/1.8 STM offers a standard 50mm focal length with a maximum aperture of f/1.8, providing excellent low-light performance and the ability to create beautiful background blur. This makes it ideal for portraits and nighttime photography. Conversely, the TTARTISAN lens has a 27mm focal length, which translates to a different perspective more suitable for wide-angle shots. The Canon lens excels in creating dramatic images with its wider aperture, making it a better option for those focused on portraiture or low-light situations.
Autofocus Technology
The autofocus technology in both lenses varies significantly. The Canon EF 50mm f/1.8 STM features a stepping motor (STM) that delivers near-silent, continuous autofocus, making it particularly effective for video recording as well as still photography. Meanwhile, the TTARTISAN AF 27mm lens also employs an STM technology, specifically designed for smooth focusing and accurate eye tracking. This eye recognition focus feature can aid in capturing sharp images during fast-paced shooting conditions. Photographers who prioritize quiet, seamless focus during video shoots may find the Canon lens more advantageous.
Usability Features
The usability features of the two lenses diverge as well. The Canon EF 50mm f/1.8 STM includes an improved focus ring placement for easier manual adjustments, enhancing the overall user experience. In contrast, the TTARTISAN AF 27mm lens boasts a clicked aperture ring, allowing for quicker aperture adjustments without needing to navigate through camera menus. For users who appreciate tactile feedback while shooting, the TTARTISAN lens offers a distinct advantage.
Compatibility
The Canon EF 50mm f/1.8 STM is specifically designed for Canon EOS cameras, making it an excellent choice for Canon users. It provides an effective focal length of 80mm on APS-C cameras, which is ideal for various photography styles. On the other hand, the TTARTISAN AF 27mm f2.8 is tailored for Fujifilm X mount cameras, making it an excellent addition for users of models like the X-E4 or X-T4. Consequently, the choice between these lenses may hinge on the camera system a photographer uses.
Image Quality
When it comes to image quality, the Canon EF 50mm f/1.8 STM is known for its sharp performance, vivid colors, and minimized ghosting and flare due to its updated lens coatings. This lens captures stunning images that are both clear and vibrant, particularly in low-light conditions. The TTARTISAN AF 27mm lens aims to provide high-quality images with accurate colors, but it may not match the low-light performance of the Canon lens. For photographers prioritizing image quality, particularly in challenging lighting, the Canon lens may be the stronger option.
Which should you buy?
Ultimately, the choice between the Canon EF 50mm f/1.8 STM Lens and the TTARTISAN AF 27mm f2.8 comes down to personal preferences and specific use cases. If you need a lens that excels in low-light conditions and offers a classic focal length for portraits, the Canon lens is a solid choice at $169.00. However, if you prioritize portability, eye tracking, and a slightly lower price of $159.99, the TTARTISAN lens could be the right fit for you. Consider your camera system and shooting style before making a decision, as each lens offers distinct advantages that cater to different photography needs.