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Canon RF vs Big Mike's High-Power 420-

Updated July 2026 — Canon RF wins on price and autofocus, Big Mike's High-Power 420- wins on focal length and zoom.

The Canon RF 50mm F1.8 STM Lens excels in low-light performance and autofocus, making it ideal for portraits, while the High-Power 420-1600mm lens offers exceptional zoom for distant subjects at a lower price.

Why Canon RF is better

Low-light Performance

Wide f/1.8 aperture for better low-light shooting

Autofocus

STM motor provides smooth and silent autofocus

Image Quality

Super Spectra Coating reduces flare and ghosting

Why Big Mike's High-Power 420- is better

Zoom Range

Focal length of 420mm to 1600mm for distant subjects

Price

More budget-friendly at $139.99

Compatibility

Compatible with a wider range of Canon DSLR models

Overall score

Canon RF
85
Big Mike's High-Power 420-
75

Specifications

SpecCanon RFBig Mike's High-Power 420-
Mount TypeRFEF
Focus TypeAutoManual
Image StabilizationNoNo
CompatibilityEOS R-SeriesMultiple Canon Models
ConstructionAsphericStandard

Dimension comparison

Canon RFBig Mike's High-Power 420-

Overview of the Canon RF 50mm F1.8 STM Lens

The Canon RF 50mm F1.8 STM Lens is designed for photographers looking for a compact and versatile lens. Priced at $219.00, this lens features a wide f/1.8 aperture, making it particularly well-suited for portrait photography. The lens employs an STM motor for smooth and nearly silent autofocus, which enhances the shooting experience, especially in quiet environments. With its aspheric lens element and Super Spectra Coating, this lens aims to deliver sharp images with pleasing background blur. Ideal for EOS R-Series cameras, it provides an affordable entry into high-quality photography.

Overview of the High-Power 420-1600mm Telephoto Zoom Lens

The High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens, priced at $139.99, stands out for its remarkable zoom capabilities. This lens is designed for capturing distant subjects, making it a perfect choice for wildlife and sports photography. With a focal length range of 420mm to 1600mm, it offers significant versatility in framing shots from afar. Additionally, it is compatible with a wide range of Canon models, including the EOS 70D, 80D, and multiple Rebel series cameras. This lens also boasts a precision f/8.3 aperture, ensuring detailed photographs, although it requires manual focus.

Price Comparison

When it comes to price, the High-Power 420-1600mm lens is about 36% cheaper than the Canon RF 50mm lens, costing $139.99 compared to $219.00. This price difference may appeal to budget-conscious photographers who require a long-range lens without breaking the bank. However, while the lower price tag is attractive, it's essential to consider the intended use. The RF 50mm lens, despite its higher cost, offers features that may justify the investment for users focusing on portrait and creative photography.

Compatibility and Mount

The Canon RF 50mm F1.8 STM Lens is specifically designed for Canon’s RF mount, making it an excellent option for those using the EOS R-Series cameras. In contrast, the High-Power 420-1600mm lens features an EF mount, which is compatible with a broader range of Canon DSLR models, including the EOS 70D, 80D, and various Rebel series cameras. This compatibility can be a significant factor for photographers who own multiple Canon camera bodies and are looking for a versatile telephoto option. Ultimately, your choice might depend on the camera system you currently use.

Autofocus and Shooting Experience

The autofocus capabilities of the Canon RF 50mm lens are a key highlight, thanks to its advanced STM motor. This feature allows for smooth, fast, and near-silent focusing, which is invaluable during portrait sessions or when shooting video. On the other hand, the High-Power 420-1600mm lens requires manual focusing, which could be challenging for some photographers, especially in dynamic shooting situations. Therefore, if you prioritize quick and reliable autofocus, the RF 50mm lens may be the better choice, while the telephoto lens may better suit those who are comfortable with manual adjustments.

Image Quality and Aperture

The Canon RF 50mm F1.8 lens shines with its wide f/1.8 aperture, providing excellent low-light performance and the ability to create a soft background blur that enhances portraits. Its Super Spectra Coating also aids in reducing lens flare and ghosting, contributing to overall image quality. Conversely, the High-Power 420-1600mm lens, with its f/8.3 aperture, may struggle in low-light conditions but excels in capturing clear, detailed images of distant subjects. Thus, if your focus is on shooting in varied lighting conditions or creating beautiful bokeh, the RF 50mm lens is likely the superior option.

Use Cases and Versatility

The Canon RF 50mm F1.8 STM Lens is particularly versatile for portrait, street, and general photography, making it a great all-around option for enthusiasts and professionals alike. It excels in scenarios where image quality and background separation are essential. On the flip side, the High-Power 420-1600mm lens is tailored for specialized photography, particularly for capturing wildlife and sports from a distance. If your primary interest lies in photographing far-off subjects, this telephoto zoom lens will offer the flexibility needed for such tasks, but it may not serve well as a general-purpose lens.

Which should you buy?

Deciding between the Canon RF 50mm F1.8 STM Lens and the High-Power 420-1600mm telephoto lens ultimately comes down to your specific photography needs. If you are looking for a lens that excels in low-light conditions and provides stunning portrait capabilities, the RF 50mm lens is worth the investment at $219.00. However, if your photography involves capturing distant subjects and you prefer a more budget-friendly option, the High-Power 420-1600mm lens at $139.99 offers exceptional zoom capabilities. Assess your shooting style, camera compatibility, and budget before making a choice.