Sony FE 1.4x Teleconverter vs TTARTISAN AF
Updated July 2026 — Sony FE 1.4x Teleconverter wins on price and weight, TTARTISAN AF wins on portability.
The Sony FE 1.4x Teleconverter excels in optical performance and build quality, while the TTARTISAN AF 27mm lens offers great portability and value.
Why Sony FE 1.4x Teleconverter is better
Optical Quality
Maintains full G Master performance
Build Quality
Dust and moisture resistant design
Focal Length
Extends focal length by 1.4x
Why TTARTISAN AF is better
Price
Significantly cheaper at $159.99
Portability
Ultra-compact pancake design
User Features
Includes USB-C for firmware upgrades
Overall score
Specifications
| Spec | Sony FE 1.4x Teleconverter | TTARTISAN AF |
|---|---|---|
| Focal Length | 1.4x | 27mm |
| Aperture | N/A | f2.8 |
| Motor Type | N/A | STM |
| Weather Sealing | Yes | No |
| Focus Type | Auto | Auto |
Dimension comparison
Overview of the Products
When it comes to enhancing photographic capabilities, the Sony FE 1.4x Teleconverter and the TTARTISAN AF 27mm f2.8 APS-C Frame Lens each offer unique advantages. The Sony teleconverter is priced at $598.00, while the TTARTISAN lens comes in significantly cheaper at $159.99. This substantial price difference of about 73% reflects their distinct functionalities and target audiences.
Design and Build Quality
The design of the Sony FE 1.4x Teleconverter emphasizes durability and functionality. It features a dust and moisture resistant design, ensuring reliability in various shooting environments. In contrast, the TTARTISAN AF 27mm is celebrated for its ultra-compact pancake design, making it exceptionally portable and travel-friendly. While both lenses cater to different photography needs, the Sony teleconverter's robust build is ideal for outdoor usage, whereas the TTARTISAN’s sleek form factor appeals to photographers seeking convenience.
Optical Performance
The optical performance of the Sony FE 1.4x Teleconverter is remarkable, as it maintains full G Master performance while extending focal lengths by 1.4x. This means photographers can achieve impressive image quality without sacrificing autofocus performance, making it ideal for sports and wildlife photography. On the other hand, the TTARTISAN AF 27mm lens incorporates an STM stepping motor, allowing for smooth and accurate focusing. However, its performance is more suited for everyday photography rather than specialized applications like wildlife or sports.
Compatibility
Compatibility is a critical factor when choosing camera lenses. The Sony FE 1.4x Teleconverter is specifically designed for use with Sony E-mount lenses such as the SEL70200GM and SEL100400GM, making it a perfect companion for professional photographers using these lenses. Alternatively, the TTARTISAN AF 27mm lens is tailored for Fuji X-mount cameras, including models like the XS10 and X-E4. This specialization means that each product serves distinct camera systems, and potential buyers should consider their existing equipment before making a decision.
User Experience
User experience varies significantly between these two products. The Sony FE 1.4x Teleconverter allows photographers to quickly extend their range without needing to switch lenses, which can be crucial in fast-paced situations. Its design ensures that full image quality and autofocus performance are retained. Conversely, the TTARTISAN AF 27mm features an independent clicked aperture ring, enhancing the shooting experience by enabling quicker adjustments. Additionally, it offers a USB-C interface for firmware upgrades, which can improve performance over time, making it a progressive choice for tech-savvy users.
Price Point and Value
At $598.00, the Sony FE 1.4x Teleconverter represents a higher investment in photography gear. However, for professionals focused on achieving maximum image quality and performance, this price can be justified. In comparison, the TTARTISAN AF 27mm lens is priced at $159.99, making it an attractive option for hobbyists or those looking for a versatile everyday lens. The price difference of approximately $438 is significant and positions the TTARTISAN as a budget-friendly choice for casual photographers.
Market Position and Popularity
The market presence of these two lenses speaks volumes about their intended audiences. The Sony FE 1.4x Teleconverter is aimed at serious photographers who require high performance and reliability, which is reflected in its price and specifications. While no bestseller ranks are provided, its higher price point suggests a niche audience willing to invest in quality. In contrast, the TTARTISAN AF 27mm lens likely appeals to a broader market given its lower price and compact design, catering to those who prioritize portability and ease of use.
Which should you buy?
Deciding between the Sony FE 1.4x Teleconverter and the TTARTISAN AF 27mm lens ultimately depends on your specific photography needs. If you are a professional looking to enhance your existing Sony E-mount lenses with a powerful teleconverter that maintains image quality, the Sony unit is an excellent investment. However, if you are a casual photographer or a traveler seeking a lightweight and versatile lens for your Fuji X-mount camera, the TTARTISAN offers great value for its price. The choice hinges on whether you prioritize advanced optical performance or portability and convenience.

