TTARTISAN AF vs Viltrox
Updated July 2026 — TTARTISAN AF wins on portability and shooting experience, Viltrox wins on aperture and autofocus.
The TTARTISAN AF 27mm f2.8 is a more compact and budget-friendly option, while the Viltrox 25mm F1.7 excels in low-light performance and autofocus features.
Why TTARTISAN AF is better
Price
TTARTISAN is $16 cheaper.
Portability
TTARTISAN has a more compact design.
Manual Control
TTARTISAN features a clicked aperture ring.
Why Viltrox is better
Low-Light
Viltrox has a brighter f/1.7 aperture.
Autofocus
Viltrox supports face and eye recognition.
Weight
Viltrox is lightweight at 170g.
Overall score
Specifications
| Spec | TTARTISAN AF | Viltrox |
|---|---|---|
| Aperture | f/2.8 | f/1.7 |
| Weight | Unknown | 170g |
| Mount Type | Fuji X | Sony E |
| Focus Type | STM | STM |
| Firmware Upgrade | Yes | No |
Dimension comparison
Overview of the TTARTISAN AF 27mm f2.8 and Viltrox 25mm F1.7
When comparing the TTARTISAN AF 27mm f2.8 and the Viltrox 25mm F1.7, it becomes clear that both lenses offer unique advantages tailored to different photography styles. The TTARTISAN lens is priced at $159.99, while the Viltrox lens is available for $176.00, making the TTARTISAN about 10% cheaper. Both lenses cater to specific camera mounts—Fuji X mount for the TTARTISAN and Sony E mount for the Viltrox—highlighting their intended audiences.
Design and Portability
The TTARTISAN AF 27mm f2.8 stands out for its ultra-compact pancake design, making it an excellent choice for travel and street photography. Weighing less than most standard lenses, it easily fits into a camera bag without adding extra bulk. In contrast, the Viltrox 25mm F1.7, while still lightweight at 170g, is slightly bulkier due to its larger maximum aperture. If portability is a priority, the TTARTISAN’s design makes it particularly appealing for photographers on the go.
Aperture and Low-Light Performance
In terms of aperture, the Viltrox offers a bright f/1.7 maximum, which is beneficial for low-light conditions and provides excellent control over depth of field. This feature allows for beautifully blurred backgrounds, making it a favorite among portrait photographers. The TTARTISAN, with its f/2.8 aperture, is less capable in low-light situations but still performs admirably for general photography. Therefore, if low-light performance is essential, the Viltrox clearly has the upper hand.
Autofocus Capabilities
Both lenses utilize STM (Stepping Motor) technology for quiet and efficient autofocus, which is crucial for both photography and videography. However, the Viltrox lens is noted for its face and eye recognition features, enhancing its usability in dynamic shooting situations. The TTARTISAN also provides reliable eye recognition focus, making it suitable for capturing spontaneous moments. The difference lies in the Viltrox’s added versatility, particularly for those who frequently shoot moving subjects.
Shooting Experience
The TTARTISAN lens features a clicked aperture ring, allowing for a more tactile and controlled shooting experience compared to the Viltrox. This can be particularly useful for photographers who prefer manual adjustments over relying on camera settings. While the Viltrox does not have a similar feature, it supports various camera shooting modes and EXIF information transmission, catering to those who appreciate automated settings. Ultimately, the TTARTISAN offers a more hands-on approach, while the Viltrox leans towards convenience.
Firmware Upgrades
One unique aspect of the TTARTISAN AF 27mm f2.8 is its USB-C interface for firmware upgrades. This feature allows users to enhance the lens's performance over time, something not commonly found in most lenses. The Viltrox, while it does not offer this feature, is designed for compatibility with multiple camera modes, which can be a significant advantage for users of various Sony E mirrorless cameras. The TTARTISAN's upgrade capability may appeal to tech-savvy photographers who like to keep their gear up to date.
Price and Value Proposition
The TTARTISAN AF 27mm f2.8 is priced at $159.99, making it a more budget-friendly option compared to the Viltrox 25mm F1.7, which costs $176.00. This price difference of approximately $16 can be significant for hobbyists and those just starting in photography. However, the Viltrox lens justifies its higher price with superior low-light performance and advanced autofocus features. The choice ultimately depends on the photographer's specific needs and budget constraints.
Which should you buy?
Choosing between the TTARTISAN AF 27mm f2.8 and the Viltrox 25mm F1.7 comes down to your photography style and requirements. If you prioritize portability, a compact design, and manual control features, the TTARTISAN is a solid choice, especially at its lower price point. On the other hand, if low-light performance and enhanced autofocus capabilities are what you seek, the Viltrox offers advantages that may justify its higher cost. Each lens has its strengths, so reflect on what aspects matter most to your photography journey.

