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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 compatibility.

The Sony FE 1.4x Teleconverter offers superior optical performance for professionals, while the Viltrox 35mm F1.7 E lens is a versatile and budget-friendly option for casual photographers.

Why Sony FE 1.4x Teleconverter is better

Optical Quality

Maintains full G Master performance with compatible lenses.

Durability

Dust and moisture resistant design for outdoor use.

Specialization

Designed for professional wildlife and sports photography.

Why Viltrox is better

Price

Significantly more affordable at $179.

Weight

Lightweight design at only 170g.

Versatility

Compatible with a wider range of E-mount cameras.

Overall score

Sony FE 1.4x Teleconverter
85
Viltrox
70

Specifications

SpecSony FE 1.4x TeleconverterViltrox
Focal Length1.4x35mm
ApertureN/Af/1.7
Mount TypeSony ESony E
Dust ResistanceYesNo
Max Light Loss1 stopN/A
AF PerformanceExcellentGood

Dimension comparison

Sony FE 1.4x TeleconverterViltrox

Overview of the Products

In this comparison, we will explore two distinct camera accessories: the Sony FE 1.4x Teleconverter and the Viltrox 35mm F1.7 E lens. The teleconverter is priced at $598.00, while the lens is a more budget-friendly option at $179.00, making it about 70% cheaper than the teleconverter. Each product serves a unique purpose, targeting different photography needs and preferences.

Optical Performance

The Sony FE 1.4x Teleconverter excels in maintaining full G Master performance when paired with compatible lenses like the SEL70200GM and SEL100400GM. It multiplies the focal length by 1.4x with only a one-stop light loss, ensuring that optical quality and autofocus performance remain uncompromised. In comparison, the Viltrox 35mm F1.7 E lens offers a bright maximum aperture of f/1.7, allowing for impressive low-light shooting and depth of field control. While both products deliver excellent optical performance, the teleconverter focuses on extending the capabilities of existing lenses, whereas the Viltrox lens provides versatility for various photography genres.

Build Quality and Design

Sony's teleconverter features a dust and moisture-resistant design, emphasizing reliability in challenging environments. This makes it suitable for outdoor sports and wildlife photography where conditions can be unpredictable. On the other hand, the Viltrox 35mm lens is lightweight at only 170g, making it ideal for travel and everyday use. While the teleconverter prioritizes durability, the Viltrox lens offers a practical design for photographers on the go, providing a good balance between quality and convenience.

Compatibility

The Sony FE 1.4x Teleconverter is specifically designed for use with select Sony E-mount lenses, which narrows its compatibility to a few high-end options. This specificity can limit its usability for those without compatible lenses. Conversely, the Viltrox 35mm F1.7 E lens is compatible with a broader range of Sony E-mount mirrorless cameras, including popular models like the ZV-E10 II and a6600. This wider compatibility makes the Viltrox lens a more versatile choice for photographers looking to expand their lens collection without being tethered to specific brands or models.

Target Audience

The Sony FE 1.4x Teleconverter is tailored for professionals and serious enthusiasts who require extended reach without sacrificing image quality. It's particularly suited for wildlife and sports photographers seeking to enhance their existing gear. In contrast, the Viltrox 35mm F1.7 E lens caters to a broader audience, including casual photographers and content creators looking for an all-purpose lens capable of delivering quality shots in various scenarios. Its affordability and versatility make it a great choice for those just starting or wanting a reliable lens for everyday use.

Price Comparison

At $598.00, the Sony FE 1.4x Teleconverter commands a premium price, reflecting its specialized capabilities and high-end performance. In contrast, the Viltrox 35mm F1.7 E lens is priced at $179.00, which is approximately 70% less than the teleconverter. This significant price difference makes the Viltrox lens much more accessible for those on a budget or looking for a versatile option without breaking the bank.

User Experience

Users of the Sony FE 1.4x Teleconverter often highlight its exceptional optical quality and the seamless integration with compatible lenses. The teleconverter’s ability to maintain autofocus and image quality underlines its appeal to serious photographers. Meanwhile, the Viltrox 35mm F1.7 E lens is praised for its near-silent autofocus and ease of use, making it a favorite among vloggers and portrait photographers. Each product offers a distinctive user experience, catering to the specific needs of their respective audiences.

Which should you buy?

In the end, the choice between the Sony FE 1.4x Teleconverter and the Viltrox 35mm F1.7 E lens largely depends on your photography needs and budget. If you are a professional seeking to enhance your existing lenses with superior optical performance, the Sony teleconverter is worth the investment despite its high price. However, if you're a casual photographer or content creator looking for a versatile and affordable lens that performs well in various situations, the Viltrox 35mm F1.7 E is an excellent choice. Ultimately, both products offer unique advantages that cater to different types of photographers.