Canon RF-S18- vs Big Mike's High-Power 420-
Updated July 2026 — Canon RF-S18- wins on price and autofocus, Big Mike's High-Power 420- wins on zoom range.
The Canon RF-S18-150mm lens offers superior features and versatility, making it the better choice for serious photographers. The High-Power lens is more budget-friendly but lacks advanced capabilities.
Why Canon RF-S18- is better
Image Stabilization
Canon lens provides up to 6.5 stops of stabilization.
Autofocus
Canon lens features smooth and quiet autofocus.
Versatility
Canon lens covers a wide range of photography styles.
Why Big Mike's High-Power 420- is better
Price
High-Power lens is significantly cheaper.
Zoom Range
High-Power lens offers a much longer zoom range.
Compatibility
High-Power lens fits a wider range of Canon models.
Overall score
Specifications
| Spec | Canon RF-S18- | Big Mike's High-Power 420- |
|---|---|---|
| Focal Length | 18-150mm | 420-1600mm |
| Aperture | f/3.5-6.3 | f/8.3 |
| Weight | 0.5kg | 1.2kg |
| Compatibility | RF Mount | EF Mount |
| Video Use | Yes | No |
Dimension comparison
Overview of the Canon RF-S18-150mm and High-Power 420-1600mm Lens
The Canon RF-S18-150mm F3.5-6.3 Telephoto Lens is a versatile and high-magnification zoom lens designed specifically for APS-C cameras. In contrast, the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens offers an extensive zoom range tailored for capturing distant subjects. Both lenses cater to different photography needs and come with unique features that make them stand out in the market.
Price Comparison
The Canon RF-S18-150mm lens is priced at $569.00, whereas the High-Power 420-1600mm lens is significantly more budget-friendly at $139.99. This makes the High-Power lens about 75% cheaper than the Canon lens. If you're looking for a more economical option, the High-Power lens provides excellent value, especially for casual photographers or those just starting. However, the additional investment in the Canon lens may be justified for serious photographers seeking superior quality and advanced features.
Zoom Range and Versatility
The Canon RF-S18-150mm offers a zoom range of 18-150mm, covering standard to telephoto angles, making it a flexible choice for various photography styles like landscapes, portraits, and sports. On the other hand, the High-Power 420-1600mm lens boasts an incredible zoom range from 420mm to 1600mm, which is particularly advantageous for wildlife and sports photography. This vast zoom capability allows photographers to capture subjects from great distances, a feature not available in the Canon lens. However, the trade-off is that the High-Power lens is manual, which may require more skill and practice to use effectively.
Image Stabilization Features
The Canon RF-S18-150mm lens includes in-lens optical image stabilization that provides up to 4.5 stops of shake correction, enhancing photo clarity, especially in low-light conditions. When paired with compatible EOS R series cameras, it can achieve up to 6.5 stops of stabilization. This is crucial for photographers who shoot handheld or in dynamic environments. Conversely, the High-Power 420-1600mm lens does not mention any image stabilization features, which could result in shakier images when shooting at long distances without a tripod. For those prioritizing image stability, the Canon lens presents a significant advantage.
Autofocus and Shooting Experience
The Canon RF-S18-150mm lens features a lead screw-type STM that ensures smooth and quiet autofocus, making it an ideal choice for video shooting where minimal background noise is essential. This lens provides 100% Dual Pixel CMOS AF coverage for APS-C cameras, enhancing the shooting experience. In contrast, the High-Power 420-1600mm lens is a manual focus lens, which can be challenging for beginners and may slow down the shooting process. While experienced photographers may appreciate the manual control, those looking for ease of use will find the autofocus capabilities of the Canon lens to be a distinct advantage.
Compatibility with Camera Models
The Canon RF-S18-150mm lens is explicitly designed for APS-C cameras with the RF mount, while it also automatically enables APS-C sensor cropping when mounted on full-frame EOS R-series cameras. The High-Power 420-1600mm lens is compatible with a broader range of Canon models including the EOS 70D, 80D, 90D, and Rebel series, making it versatile for users with various Canon camera systems. This compatibility can be a deciding factor for photographers who own multiple Canon models, as they can utilize the High-Power lens across different bodies without needing to invest in a new lens.
Target User and Photography Style
The Canon RF-S18-150mm lens caters primarily to photographers who require a versatile all-around lens for everyday shooting, including landscapes, portraits, and general photography. Its features make it suitable for both amateurs and professionals alike. In contrast, the High-Power 420-1600mm lens targets niche photography enthusiasts who specialize in wildlife, sports, or other long-distance photography. The sheer zoom capacity allows photographers to capture details that would otherwise be impossible, making it a compelling choice for those specific needs.
Build Quality and Portability
The Canon RF-S18-150mm lens is designed with a focus on portability and ease of use, making it an excellent companion for travel and outdoor photography. Its compact design allows for easy handling and quick adjustments on the go. On the other hand, the High-Power 420-1600mm lens, while offering extensive zoom capabilities, may be bulkier and less convenient for everyday use. Its design emphasizes performance over portability, which could be a drawback for photographers who prioritize lightweight gear for their adventures.
Which should you buy?
When deciding between the Canon RF-S18-150mm F3.5-6.3 Telephoto Lens and the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens, your choice largely depends on your photography needs. If you seek versatility and advanced features like image stabilization and autofocus, the Canon lens is the superior option, despite its higher price. However, if budget is a significant factor and you require long-distance capabilities for specific photography styles, the High-Power lens offers impressive zoom at a fraction of the cost. Ultimately, each lens serves a different purpose, and considering your shooting style will guide you toward the right choice.

