Canon EF-S 18- vs Sony FE 1.4x Teleconverter
Updated July 2026 — Canon EF-S 18- wins on versatility and price, Sony FE 1.4x Teleconverter wins on compatibility and optical quality.
The Canon EF-S 18-135mm f/3.5-5.6 is STM offers versatility and affordability, while the Sony FE 1.4x Teleconverter excels in extending reach for specialized photography.
Why Canon EF-S 18- is better
Price
Canon lens is significantly cheaper at $329.95.
Versatility
Canon lens is suitable for a wide range of photography.
Weight
Canon lens is lighter at 16.9 oz.
Why Sony FE 1.4x Teleconverter is better
Optical Quality
Sony teleconverter maintains full optical performance.
Weather Resistance
Sony teleconverter is dust and moisture resistant.
Focal Length
Sony teleconverter extends focal length by 1.4x.
Overall score
Specifications
| Spec | Canon EF-S 18- | Sony FE 1.4x Teleconverter |
|---|---|---|
| Focal Length | 18-135mm | 1.4x |
| Max Aperture | f/3.5-5.6 | N/A |
| Weight | 16.9 oz | N/A |
| Weather Resistance | No | Yes |
| Price | $329.95 | $598.00 |
Dimension comparison
Overview of Canon EF-S 18-135mm f/3.5-5.6 is STM
The Canon EF-S 18-135mm f/3.5-5.6 is STM is priced at $329.95, making it a relatively affordable option for those seeking a versatile lens. This lens is designed to excel in both video and still photography, boasting a refined Image Stabilization system that corrects shake across its zoom range. It features a maximum magnification of 0.28x at the telephoto end, ensuring quality images with reduced chromatic aberration, thanks to its unique lens construction that includes one UD and one PMO aspheric lens. With a compact design, it weighs only 16.9 oz., making it portable for various photography needs.
Overview of Sony FE 1.4x Teleconverter
The Sony FE 1.4x Teleconverter retails for $598.00, which positions it in a higher price bracket compared to the Canon lens. This teleconverter multiplies the focal length by 1.4x, providing an excellent option for photographers looking to extend their reach without sacrificing image quality. It is designed to maintain full G Master performance and is compatible with specific Sony lenses like SEL70200GM and SEL100400GM. Sporting a dust and moisture-resistant design, this teleconverter is ideal for outdoor shooting, allowing photographers to capture stunning images in various conditions.
Performance in Photography
In terms of performance, the Canon EF-S 18-135mm f/3.5-5.6 is STM is particularly effective for both stills and video, featuring an inner focusing system that enhances autofocus speed. It also supports Canon's Movie Servo AF feature, which ensures smooth and quiet continuous AF for video shooting. On the other hand, the Sony FE 1.4x Teleconverter retains full optical quality and autofocus performance, making it a reliable choice for wildlife and sports photography. Despite the teleconverter's higher price, its benefits in extending focal length and maintaining image quality make it appealing for specific photography scenarios.
Versatility and Use Cases
The Canon lens is designed for versatility across various photography types, including travel and family photography, thanks to its wide zoom range of 18-135mm. It can handle diverse shooting situations, from wide landscapes to close-up portraits. Conversely, the Sony teleconverter shines in specialized use cases, especially when paired with compatible lenses for nature or sports photography. While the Canon lens is a general-purpose choice, the teleconverter is more focused, catering to photographers who need to extend their reach without carrying multiple lenses.
Build Quality and Design
The Canon EF-S 18-135mm lens is compact and lightweight, weighing only 16.9 oz., making it easy to carry for extended periods. It features a zoom ring lock to prevent accidental extension, which is a thoughtful design detail for those on the move. The Sony FE 1.4x Teleconverter, while slightly heavier, offers a robust build with dust and moisture resistance, ensuring reliability in challenging environments. Both products exhibit quality in construction, but the teleconverter provides added protection for outdoor shooting conditions, which can be critical for professional photographers.
Price Comparison
The Canon EF-S 18-135mm f/3.5-5.6 is STM is priced at $329.95, making it about 44.8% cheaper than the Sony FE 1.4x Teleconverter, which is priced at $598.00. For photographers on a budget or those who need a versatile lens for various situations, the Canon lens presents a more economical option. However, the price of the teleconverter reflects its specialized nature and performance capabilities, which may justify the higher cost for dedicated users.
Target Audience
The Canon EF-S 18-135mm lens is targeted at casual photographers, vloggers, and anyone looking for an all-in-one lens that performs well in diverse scenarios. Its user-friendly features and excellent image stabilization make it suitable for both beginners and advanced users. In contrast, the Sony FE 1.4x Teleconverter caters primarily to serious photographers who require enhanced reach for wildlife or sports photography. Its compatibility with high-end Sony lenses ensures that it meets the needs of professionals seeking to maximize their equipment's capabilities.
Which should you buy?
Choosing between the Canon EF-S 18-135mm f/3.5-5.6 is STM and the Sony FE 1.4x Teleconverter ultimately depends on your photography needs. If you are looking for a versatile lens that can handle a variety of shooting situations at a competitive price, the Canon lens is the clear winner at $329.95. However, if you require a tool that can extend your reach while maintaining high image quality, and you are willing to invest more, the Sony teleconverter at $598.00 is a strong choice. Each product serves distinct purposes, making your decision reliant on your specific requirements and budget.

