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Sony FE 1.4x Teleconverter vs TTArtisan AF

Updated July 2026 — Sony FE 1.4x Teleconverter wins on price and build, TTArtisan AF wins on compatibility.

The Sony FE 1.4x Teleconverter excels in optical performance and build quality, making it ideal for professionals, while the TTArtisan AF 27mm F2.8 lens offers great value for casual photographers.

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.

Compactness

Lightweight and easy to carry.

Autofocus

Supports eye-detection AF.

Overall score

Sony FE 1.4x Teleconverter
85
TTArtisan AF
70

Specifications

SpecSony FE 1.4x TeleconverterTTArtisan AF
Focal Length1.4x27mm
Max Aperturef/2.8f/2.8
Weather SealingYesNo
Motor TypeN/ASTM
Close FocusN/A0.35m

Dimension comparison

Sony FE 1.4x TeleconverterTTArtisan AF

Overview of the Products

The Sony FE 1.4x Teleconverter is priced at $598.00, while the TTArtisan AF 27mm F2.8 lens costs $159.99, making it approximately 73% less expensive than the teleconverter. Both products cater to different needs in the photography world, with the teleconverter aimed at extending the reach of compatible Sony lenses and the TTArtisan lens designed for Fujifilm X-mount cameras. Understanding their distinct purposes is essential for photographers deciding which product aligns better with their goals.

Target Audience

The Sony FE 1.4x Teleconverter is primarily targeted at professional photographers and enthusiasts who require high-quality optical performance for wildlife and sports photography. Its ability to multiply focal length by 1.4x while retaining full image quality makes it ideal for capturing fast-moving subjects at a distance. Conversely, the TTArtisan AF 27mm F2.8 lens is geared towards Fujifilm users seeking a compact and versatile lens for everyday photography. Its features, such as eye-detecting autofocus, appeal to content creators and casual shooters alike, providing them with a reliable tool for capturing detailed images.

Compatibility

Compatibility is a crucial factor when choosing between these two products. The Sony FE 1.4x Teleconverter is specifically designed for Sony E-mount lenses, including the SEL70200GM and SEL100400GM, ensuring a seamless integration with these high-performance lenses. On the other hand, the TTArtisan AF 27mm F2.8 lens is compatible with a wide range of Fujifilm cameras, including the X-T10, X-T2, X-T20, and X-T30, among others. This broad compatibility makes the TTArtisan lens more versatile for Fujifilm users, while the teleconverter is specialized for those using specific Sony lenses.

Optical Performance

Optical performance is a standout feature of the Sony FE 1.4x Teleconverter, which maintains full G Master performance and offers impressive optical quality through its aspherical lens element. This ensures that the integrity of images is preserved even when extending focal lengths, allowing photographers to shoot in challenging conditions. The TTArtisan AF 27mm F2.8 lens, while also providing good optical quality, is more focused on general photography, with a maximum aperture of f/2.8 that allows for decent low-light performance and pleasing bokeh. However, it does not offer the same level of optical enhancement as the teleconverter.

Build Quality and Design

The build quality of the Sony FE 1.4x Teleconverter is enhanced with a dust and moisture resistant design, making it a reliable choice for outdoor photography. This durability is essential for photographers who often find themselves in unpredictable environments. The TTArtisan AF 27mm F2.8 lens is compact and lightweight, making it easy to carry for everyday use. It features a click aperture ring for convenient adjustments, but it does not emphasize weather resistance as strongly as the teleconverter. Thus, while both lenses are designed for functionality, the teleconverter offers superior protection for adverse conditions.

Autofocus Capabilities

Autofocus capabilities vary significantly between the two products. The Sony FE 1.4x Teleconverter allows photographers to maintain full autofocus performance of the lens it’s attached to, which is crucial for capturing fast-moving subjects. In contrast, the TTArtisan AF 27mm F2.8 lens is equipped with a stepping motor that facilitates smooth focusing and supports eye-detection autofocus, making it easier to track subjects. While both products excel in their autofocus systems, the context of use matters—professional sports photographers may prefer the teleconverter's compatibility with high-performance lenses, while casual shooters might find the TTArtisan's autofocus features more beneficial for everyday shooting scenarios.

Pricing and Value

When it comes to pricing, the TTArtisan AF 27mm F2.8 lens is significantly more budget-friendly at $159.99, compared to the Sony FE 1.4x Teleconverter's $598.00 price tag. This makes the TTArtisan about 73% cheaper, allowing photographers with a limited budget to access quality gear without breaking the bank. However, the value proposition of each product should be assessed based on individual needs—while the TTArtisan lens is an excellent option for daily use and casual shooting, the teleconverter may justify its higher cost through enhanced optical performance and versatility for professional applications.

Which should you buy?

Deciding between the Sony FE 1.4x Teleconverter and the TTArtisan AF 27mm F2.8 lens ultimately depends on your photographic needs and equipment. If you are a professional photographer using Sony E-mount lenses and require the ability to extend focal lengths while maintaining optical quality, the teleconverter is an excellent investment. However, if you are a Fujifilm user seeking a lightweight, versatile lens for everyday photography at a more accessible price, the TTArtisan lens is an ideal choice. Consider your shooting style, budget, and camera compatibility to make the best decision for your photography journey.