7artisans AF vs Sony FE 1.4x Teleconverter
Updated July 2026 — 7artisans AF wins on price and versatility, Sony FE 1.4x Teleconverter wins on focal length and build quality.
The 7artisans lens offers great value and versatility for budget-conscious photographers, while the Sony teleconverter excels in extending focal lengths for professionals.
Why 7artisans AF is better
Price
7artisans lens is significantly cheaper at $125.
Weight
7artisans lens is lighter at 183g.
Versatility
7artisans lens is suitable for various photography styles.
Why Sony FE 1.4x Teleconverter is better
Optical Quality
Sony teleconverter maintains full optical quality.
Build Quality
Sony teleconverter has a dust and moisture-resistant design.
Focal Length
Sony teleconverter extends focal length by 1.4x.
Overall score
Specifications
| Spec | 7artisans AF | Sony FE 1.4x Teleconverter |
|---|---|---|
| Aperture | F1.8 | N/A |
| Compatibility | Fuji X Mount | Sony E-mount |
| Focus Type | Auto/Manual | N/A |
| Light Loss | N/A | 1 stop |
| Eye Tracking | Yes | No |
Dimension comparison
Overview of the Products
In this comparison, we will explore the differences between the 7artisans AF 25mm f1.8 APS-C Prime Lens for Fuji X Mount and the Sony FE 1.4x Teleconverter. The former is priced at $125.00, while the latter is significantly more expensive at $598.00, making the teleconverter about 378% pricier than the prime lens. Understanding these products' features and functionalities will help potential buyers make an informed decision.
Design and Build Quality
Both the 7artisans AF 25mm f1.8 lens and the Sony FE 1.4x Teleconverter feature quality designs, but they cater to different needs. The 7artisans lens is lightweight at only 183 grams, making it easy to carry for extended periods, particularly beneficial for street photography. In contrast, the Sony teleconverter is designed to enhance existing lenses rather than function as a standalone product. While the teleconverter is built to last, featuring a dust and moisture-resistant design, it may not be as portable as the 7artisans lens.
Optical Performance
When it comes to optical performance, both products excel in their respective categories. The 7artisans lens boasts an F1.8 large aperture, allowing for impressive low-light photography capabilities. This aperture helps create a shallow depth of field, isolating subjects effectively. On the other hand, the Sony FE 1.4x Teleconverter is designed to maintain full optical quality while extending the focal length by 1.4x. This means that photographers can achieve impressive results in wildlife or sports photography while preserving the quality of the original lens.
Autofocus Capabilities
The autofocus systems of these two products cater to different types of photography. The 7artisans lens features an STM stepping motor that provides fast and precise autofocus, complemented by eye recognition technology for tracking subjects. This makes it an excellent choice for portrait and street photography. Conversely, the Sony teleconverter relies on the autofocus capabilities of the compatible lenses it is used with, ensuring that the performance remains high even with the extended focal length. This means that while the teleconverter does not have its own autofocus system, it enhances the existing lens's capabilities.
Versatility and Use Cases
The versatility of the 7artisans lens is highlighted by its suitability for various photography styles, including street, portrait, and life documentation. Its lightweight design and fast aperture make it a go-to option for photographers seeking a multi-functional lens. The Sony teleconverter, while not a standalone lens, is designed to be used with specific lenses such as the SEL70200GM and SEL100400GM. This makes it an excellent choice for photographers focused on wildlife and sports photography who already own compatible lenses and want to extend their reach.
Price and Value
The price difference between these two products is substantial, with the 7artisans lens costing $125.00 compared to the Sony teleconverter's $598.00 price tag. This makes the 7artisans lens about 79% cheaper than the Sony teleconverter. For those on a budget or those who are new to photography, the 7artisans lens offers exceptional value and functionality at a fraction of the cost. However, for professionals who require higher focal lengths without compromising on quality, the investment in the Sony teleconverter may be justifiable.
User Experience and Feedback
User experience can significantly impact the choice between the two products. The 7artisans lens has received positive feedback for its lightweight design and effective eye recognition autofocus, making it ideal for portrait and street photographers. Users appreciate its ability to perform well in low-light conditions, which enhances its usability. Conversely, the Sony teleconverter is praised for its ability to maintain lens performance while extending focal lengths, making it a favorite among wildlife photographers. However, some users may find the high price a deterrent, especially if they do not already own compatible lenses.
Which should you buy?
Choosing between the 7artisans AF 25mm f1.8 APS-C Prime Lens and the Sony FE 1.4x Teleconverter ultimately depends on your specific photography needs and budget. If you are looking for a versatile, lightweight lens that performs well in various conditions, the 7artisans lens is a clear choice at $125.00. However, if you are a professional photographer needing to extend the capabilities of your existing Sony lenses for sports or wildlife photography, the Sony teleconverter, despite its higher price of $598.00, may offer the performance you require. Consider how each product aligns with your photography style before making a purchase.

