Sony FE 1.4x Teleconverter vs VILTROX
Updated July 2026 — Sony FE 1.4x Teleconverter wins on price and build, VILTROX wins on weight and angle of view.
The Sony FE 1.4x Teleconverter excels in optical performance and build quality, while the VILTROX 15mm F1.7 offers great value and versatility for a lower price.
Why Sony FE 1.4x Teleconverter is better
Optical Quality
Maintains full G Master performance
Build Quality
Dust and moisture resistant design
Professional Use
Ideal for wildlife and sports photography
Why VILTROX is better
Price
Significantly lower cost
Wide Angle
84.9° angle of view for landscapes
Versatility
Great for video shooting and VLOGs
Overall score
Specifications
| Spec | Sony FE 1.4x Teleconverter | VILTROX |
|---|---|---|
| Optical Performance | High | Good |
| Autofocus Speed | Fast | Quick |
| Compatibility | G Master lenses | Sony E-Mount |
| Weight | Lightweight | Moderate |
| Video Capability | Limited | Excellent |
Dimension comparison
Overview of the Products
Comparing the Sony FE 1.4x Teleconverter and the VILTROX 15mm F1.7 E-Mount Lens reveals two distinct options tailored to different photography needs. The Sony FE 1.4x Teleconverter is designed to extend the focal length of compatible lenses, making it ideal for wildlife and sports photography. In contrast, the VILTROX 15mm lens provides an ultra-wide angle, perfect for landscape and architecture shots.
With the Sony priced at $598.00 and the VILTROX retailing for $239.00, the latter is approximately 60% less expensive. This price difference highlights the distinct market segments each product targets, catering to varying budgets and photographic requirements.
Optical Performance
The optical performance of the Sony FE 1.4x Teleconverter is impressive, maintaining the full G Master performance of compatible lenses like the SEL70200GM and SEL100400GM. It features an aspherical lens element that ensures high-quality images while multiplying the focal length by 1.4x. This makes it an excellent choice for professionals seeking to enhance their reach without sacrificing image quality.
On the other hand, the VILTROX 15mm F1.7 lens offers a wide angle of view of 84.9°. This wide perspective is advantageous for capturing expansive landscapes or tight indoor spaces. Both lenses excel in their respective categories, with the Sony focusing on extending reach and the VILTROX specializing in wide-angle photography.
Design and Build Quality
The Sony FE 1.4x Teleconverter boasts a dust and moisture-resistant design, ensuring reliability in challenging shooting conditions. This feature is critical for outdoor photographers who may encounter unpredictable weather. Its compact and lightweight design also enhances portability, making it easier to carry during long shoots.
Conversely, the VILTROX 15mm F1.7 lens is designed with a focus on versatility for various shooting scenarios. While specific details on its build quality are not provided, its wide aperture of F1.7 allows for excellent low-light performance and beautiful bokeh effects. The overall design of both products reflects their intended use, with the Sony prioritizing durability and the VILTROX aimed at creative flexibility.
Autofocus Capabilities
The autofocus capabilities of the Sony FE 1.4x Teleconverter are designed to retain the fast and precise autofocus performance of the lens it is attached to. This is particularly beneficial in dynamic shooting environments, such as sports or wildlife photography, where speed is crucial.
In contrast, the VILTROX 15mm F1.7 features an STM motor that ensures quick and precise autofocus, making it well-suited for capturing moving subjects and portraits. Its ability to lock onto subjects swiftly means photographers can effortlessly maintain focus during fast-paced shooting situations, enhancing creative opportunities.
Versatility
The Sony FE 1.4x Teleconverter is incredibly versatile, compatible with specific Sony G Master lenses, allowing photographers to extend their reach without investing in a new lens. This feature is particularly appealing to professional photographers with existing gear who want to enhance their capabilities.
The VILTROX 15mm F1.7 lens also offers versatility, particularly for those interested in video shooting and VLOG content. Its wide-angle view and shallow depth of field allow for creative shots that can adapt to various environments, from landscapes to intimate indoor settings. While both products are versatile, their applications cater to different types of photography and videography.
Price Considerations
The price difference between the Sony FE 1.4x Teleconverter and the VILTROX 15mm F1.7 is significant. At $598.00, the Sony is a higher-end investment aimed at professional photographers. In contrast, the VILTROX, priced at $239.00, offers a more budget-friendly option for those seeking quality without the hefty price tag.
This roughly 60% difference in price makes the VILTROX a compelling choice for amateur photographers or those just starting, while the Sony is likely to appeal to seasoned professionals looking for premium performance.
Target Audience
The Sony FE 1.4x Teleconverter primarily targets professional photographers who require high-quality optics and specific functionality for sports and wildlife photography. Its compatibility with G Master lenses and superior build quality positions it as a tool of choice for serious enthusiasts and professionals.
On the other hand, the VILTROX 15mm F1.7 lens is designed for a broader audience, including both amateur photographers and vloggers. Its affordable price point and wide-angle capabilities make it accessible to a wide range of users, from hobbyists to content creators who want to explore creative photography without breaking the bank.
Which should you buy?
Choosing between the Sony FE 1.4x Teleconverter and the VILTROX 15mm F1.7 ultimately depends on your specific photography needs and budget. If you are a professional seeking to extend the reach of your existing G Master lenses with top-tier optical quality, the Sony is the obvious choice despite its higher price. However, if you are looking for a cost-effective, versatile ultra-wide-angle lens to enhance your creative possibilities, the VILTROX offers excellent value at a significantly lower price point.

