Canon RF75- vs BM Premium High-Power 420-
Updated July 2026 — Canon RF75- wins on focus speed and portability, BM Premium High-Power 420- wins on zoom range and price.
The Canon RF75-300mm lens offers superior autofocus and portability, while the High-Power lens excels in extreme zoom capabilities at a lower price.
Why Canon RF75- is better
Autofocus
Canon RF75-300mm has advanced autofocus features.
Portability
Canon RF75-300mm is lightweight and compact.
Accessories
Canon RF75-300mm includes useful accessories.
Why BM Premium High-Power 420- is better
Zoom Range
High-Power lens offers up to 1600mm zoom.
Price
High-Power lens is 42% cheaper.
Compatibility
High-Power lens fits a wider range of Canon DSLRs.
Overall score
Specifications
| Spec | Canon RF75- | BM Premium High-Power 420- |
|---|---|---|
| Focal Length | 75-300mm | 420-1600mm |
| Aperture | f/4-5.6 | f/8.3 |
| Mount Type | RF | EF |
| Autofocus | Yes | No |
| Included Accessories | Yes | No |
Dimension comparison
Overview of the Canon RF75-300mm and High-Power 420-1600mm Lenses
Both the Canon RF75-300mm F4-5.6 Zoom Lens and the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens offer distinct advantages for photographers, but they cater to different needs. The Canon RF75-300mm lens is priced at $239.00, while the High-Power lens is more budget-friendly at $139.99, making it about 42% cheaper. The choice between these lenses largely hinges on the specific requirements of the photographer.
Compatibility and Mounting Options
The Canon RF75-300mm lens is specifically designed for Canon EOS R series cameras, which include models like the R100 and R5. In contrast, the High-Power lens is compatible with a wider array of Canon DSLR models, including the EOS 80D, 90D, and various Rebel series cameras. This broad compatibility makes the High-Power lens a versatile option for those using different Canon camera bodies. If you own an EOS R series camera, however, the Canon RF75-300mm lens is your only choice for optimal performance.
Focal Length and Zoom Capabilities
When it comes to focal lengths, the Canon RF75-300mm offers a range that reaches up to 300mm, providing a decent zoom for outdoor photography. The High-Power 420-1600mm lens, on the other hand, boasts an exceptional zoom range that extends from 420mm to a staggering 1600mm with the included 2X teleconverter. This makes the High-Power lens ideal for capturing distant subjects like wildlife or sports. The capability to zoom in up to 1600mm gives it a clear advantage for photographers who require extreme telephoto capabilities.
Size and Portability
The Canon RF75-300mm lens excels in terms of portability, being compact and lightweight, roughly equivalent to the weight of a 500ml water bottle. This makes it easier to carry around during long shooting sessions. Conversely, while the High-Power lens offers impressive zoom capabilities, it does not emphasize portability, which could be a consideration for photographers who need to travel light. If you prioritize ease of transport, the Canon RF75-300mm is the more practical choice.
Image Quality and Focus Features
The Canon RF75-300mm lens is equipped with advanced autofocus capabilities, including eye detection at the 300mm zoom range. This feature is particularly beneficial for portrait and wildlife photography, ensuring that your subject’s eyes are sharp and in focus. The High-Power lens, while capable of capturing detailed images, lacks mention of autofocus features, which could affect the ease of use, especially for dynamic subjects. For those who value autofocus performance, the Canon RF75-300mm lens is the clear winner.
Additional Accessories and Value
The Canon RF75-300mm lens comes with a UV filter, lens cap keeper, and cleaning kit, adding value to your purchase. These accessories can enhance your photography experience by protecting the lens and keeping it clean. In contrast, the High-Power lens does not specify any additional accessories, which could mean extra costs down the line for necessary protective gear. If you prefer a complete package right out of the box, the Canon RF75-300mm lens provides better overall value.
Intended Use Cases
The Canon RF75-300mm lens is ideal for photographers looking for a reliable and lightweight option for everyday photography, especially in situations where quick autofocus is crucial. The High-Power lens, with its extensive zoom range, is better suited for specialized photography like wildlife or sports, where capturing distant subjects is essential. Your choice should depend on whether you value portability and autofocus or extreme zoom capabilities.
Which should you buy?
In conclusion, your decision between the Canon RF75-300mm lens and the High-Power 420-1600mm lens should be informed by your specific photography needs. If you’re looking for a lightweight, portable option with excellent autofocus features, the Canon RF75-300mm at $239.00 is the better choice. However, if you require extreme zoom capabilities and a lower price point at $139.99, the High-Power lens offers impressive range but lacks the convenience of autofocus. Ultimately, your choice will depend on whether you prioritize versatility and ease of use or extensive zoom capabilities.

