Sony FE 1.4x Teleconverter vs Tamron 28-
Updated July 2026 — Sony FE 1.4x Teleconverter wins on optical, Tamron 28- wins on versatility and autofocus.
The Sony FE 1.4x Teleconverter excels in extending focal lengths while maintaining optical quality, making it ideal for specific photography needs. The Tamron 28-75mm lens offers versatility and excellent autofocus, suitable for everyday use.
Why Sony FE 1.4x Teleconverter is better
Price
Sony is $151 cheaper than Tamron
Optical Quality
Maintains full image quality with 1.4x extension
Compactness
Teleconverter is smaller and lighter
Why Tamron 28- is better
Versatility
Tamron offers a zoom range of 28-75mm
Autofocus
Fast VXD linear motor for precise focusing
Close-Up Capability
Achieves 1:2.7 magnification ratio
Overall score
Specifications
| Spec | Sony FE 1.4x Teleconverter | Tamron 28- |
|---|---|---|
| Focal Length | 1.4x | 28-75mm |
| Light Loss | 1 stop | None |
| Minimum Distance | N/A | 7.1in |
| Moisture Resistance | Yes | Yes |
| Motor Type | N/A | VXD |
Dimension comparison
Overview of the Products
The Sony FE 1.4x Teleconverter is priced at $598.00, while the Tamron 28-75mm F/2.8 Di III VXD G2 is available for $749.00, making the latter about 25% more expensive. Both products cater to different photography needs, with the teleconverter focusing on extending lens capabilities and the Tamron lens providing a versatile zoom range for everyday shooting. Understanding their features will help in determining which is best suited for your photography style.
Design and Build Quality
The Sony FE 1.4x Teleconverter features a dust and moisture resistant design, ensuring reliability during outdoor shoots. It is engineered for full G Master performance, maintaining optical integrity while extending focal lengths. In contrast, the Tamron 28-75mm lens also boasts a moisture-resistant construction along with a fluorine coating, ensuring durability and ease of maintenance. Both products are designed to withstand the rigors of photography, but the teleconverter's compact build provides an advantage when attaching it to compatible lenses, making it a practical choice for photographers requiring versatility.
Optical Performance
Optically, the Sony FE 1.4x Teleconverter maintains full image quality and autofocus performance, which is essential for capturing high-speed action in wildlife and sports photography. It multiplies the focal length by 1.4x with only a one-stop light loss, which is excellent for retaining quality in low-light conditions. The Tamron 28-75mm lens is designed for high pixel resolution cameras and provides a maximum magnification ratio of 1:2.7, allowing for impressive close-ups. While both lenses excel in their domains, the teleconverter is ideal for those who prioritize focal length extension without compromising on optical quality.
Autofocus Capabilities
The autofocus performance is a standout feature of both products. The Sony FE 1.4x Teleconverter leverages the existing autofocus capabilities of compatible lenses, ensuring seamless operation. On the other hand, the Tamron 28-75mm lens incorporates a fast and quiet VXD linear motor, enhancing autofocus speed and precision. This makes the Tamron particularly well-suited for dynamic scenes where quick adjustments are necessary. While the teleconverter relies on the performance of paired lenses, the Tamron offers robust autofocus functionality built into its design.
Versatility and Use Cases
The versatility of the Sony FE 1.4x Teleconverter shines through in its ability to extend the range of compatible lenses, such as the SEL70200GM and SEL100400GM. This makes it a valuable tool for sports and wildlife photographers who need to cover a larger scene without sacrificing quality. Conversely, the Tamron 28-75mm lens serves as an all-rounder, catering to a variety of shooting scenarios with its flexible zoom range. Its compact size and excellent optical performance make it the ideal everyday lens for Nikon full-frame mirrorless camera users, offering a well-rounded solution for different photography needs.
Weight and Portability
In terms of portability, the Tamron 28-75mm lens weighs just 19.4 oz and measures 4.7 inches in length, making it easy to carry for extended periods. The Sony FE 1.4x Teleconverter, while not specified in weight, is designed to be compact and lightweight, enhancing its appeal as an accessory that can be easily attached to compatible lenses. For photographers who prioritize mobility, both options present advantages, but the Tamron's lightweight and compact design makes it a more convenient choice for everyday use.
Price Point Comparison
The Sony FE 1.4x Teleconverter is priced at $598.00, while the Tamron 28-75mm lens comes in at $749.00, making the Tamron about 25% more expensive. This price difference may influence a buyer's decision, particularly for those on a budget. The teleconverter offers an economical option for those who already own compatible lenses and want to extend their capabilities without significant investment. Conversely, the Tamron provides a complete lens solution for Nikon Z mount users, justifying its higher price with added versatility and features.
Which should you buy?
Choosing between the Sony FE 1.4x Teleconverter and the Tamron 28-75mm F/2.8 Di III VXD G2 largely depends on your specific photography needs. If you are looking to extend the focal length of existing lenses while maintaining optical performance, the Sony teleconverter is a solid choice at $598.00. However, if you seek a versatile, high-quality everyday lens for your Nikon Z mount camera, the Tamron lens, priced at $749.00, offers a comprehensive solution with excellent autofocus and close-up capabilities. Ultimately, both products excel in their respective areas, making your choice contingent on your shooting style and equipment.

