BM Premium High-Power 420- vs Sony FE 1.4x Teleconverter
Updated July 2026 — BM Premium High-Power 420- wins on weight and zoom, Sony FE 1.4x Teleconverter wins on price.
The High-Power lens offers exceptional zoom capabilities at a lower price, while the Sony teleconverter excels in optical performance and durability.
Why BM Premium High-Power 420- is better
Price
The High-Power lens is significantly cheaper.
Zoom
Offers a longer focal length up to 1600mm.
Compatibility
Works with a wide range of Canon cameras.
Why Sony FE 1.4x Teleconverter is better
Optical Quality
Maintains full G Master performance.
Durability
Dust and moisture resistant design.
Versatility
Enhances existing lenses without compromising quality.
Overall score
Specifications
| Spec | BM Premium High-Power 420- | Sony FE 1.4x Teleconverter |
|---|---|---|
| Focal Length | 420-1600mm | 1.4x |
| Aperture | f/8.3 | f/8.0 |
| Mount Type | EF-Mount | E-Mount |
| Optical Elements | Standard | Aspherical |
| Weather Resistance | No | Yes |
Dimension comparison
Overview of the Products
The High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens for Canon EOS 80D and the Sony FE 1.4x Teleconverter serve different photographic needs, with a significant price difference of $458.01. The Canon lens is priced at $139.99, while the Sony teleconverter comes at $598.00. This comparison will explore their features, compatibility, and intended uses to help you decide which product fits your needs better.
Features and Capabilities
The High-Power 420-1600mm lens is designed for long-distance photography, making it ideal for capturing wildlife and sports, thanks to its impressive zoom capability. It can achieve a focal length of up to 1600mm with its 2X teleconverter. In contrast, the Sony FE 1.4x Teleconverter enhances the focal length of compatible lenses by 1.4 times, maintaining full optical quality and operability. While the Canon lens offers exceptional zoom for a wide array of subjects, the Sony teleconverter focuses on preserving the quality of existing lenses, emphasizing versatility.
Compatibility
The Canon lens boasts compatibility with a variety of Canon models, including the EOS 80D, 90D, and several Rebel series cameras. This wide range makes it a versatile choice for Canon users. On the other hand, the Sony FE 1.4x Teleconverter is specifically designed for Sony E-mount lenses, like the SEL70200GM and SEL100400GM. If you own a Canon camera, the High-Power lens is your only option, while the Sony teleconverter is limited to those with compatible Sony lenses.
Optical Performance
When it comes to optical performance, the High-Power lens provides a sophisticated f/8.3 aperture, enabling crisp and clear images at various focal lengths. The lens also features a 62mm filter thread for added versatility in photography. The Sony teleconverter, while it multiplies the focal length by 1.4x, maintains full G Master performance with impressive optical quality and an aspherical lens element. This focus on optical integrity ensures that photographers do not compromise on image quality when extending their reach.
Design and Durability
The High-Power lens is designed for long-range photography, making it a robust option for outdoor use. However, it does not mention any dust or moisture resistance. In contrast, the Sony FE 1.4x Teleconverter features a dust and moisture resistant design, which enhances its reliability, especially in outdoor conditions. This added durability makes it a better choice for photographers who frequently shoot in varying weather conditions, providing peace of mind during outdoor excursions.
Price Comparison
The price difference between the two products is significant, with the High-Power lens priced at $139.99 and the Sony teleconverter at $598.00. This means the Sony product is about 328% more expensive than the Canon lens. While the Canon lens offers excellent value for those looking for a telephoto lens, the Sony teleconverter justifies its price through its advanced optical performance and compatibility with high-end Sony lenses.
Intended Use
The High-Power lens is ideal for photographers who need a standalone telephoto lens for capturing distant subjects, making it perfect for wildlife and sports photography. Conversely, the Sony FE 1.4x Teleconverter is designed for those who already possess Sony E-mount lenses and want to extend their focal range without sacrificing image quality. Each product serves a distinct purpose, catering to different segments of the photography market.
Which should you buy?
Choosing between the High-Power 420-1600mm lens and the Sony FE 1.4x Teleconverter ultimately depends on your camera system and photographic needs. If you have a Canon camera and require a dedicated telephoto lens that offers extensive zoom capabilities, the High-Power lens at $139.99 is the clear choice. However, if you own compatible Sony lenses and desire to enhance your existing equipment with an additional focal length while ensuring top-tier optical performance, the Sony teleconverter at $598.00 may be worth the investment. Consider your current gear and shooting style to make the best decision for your photography endeavors.

