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BM Premium High-Power 420- vs Tamron 18-

Updated July 2026 — BM Premium High-Power 420- wins on zoom and aperture, Tamron 18- wins on price and weight.

The High-Power lens offers exceptional long-range capabilities at a budget-friendly price, while the Tamron lens provides versatility and advanced features for a higher cost.

Why BM Premium High-Power 420- is better

Price

High-Power lens is significantly cheaper at $139.99.

Zoom Range

High-Power lens offers a longer zoom range of 420-1600mm.

Specialization

High-Power lens is tailored for wildlife and sports photography.

Why Tamron 18- is better

Versatility

Tamron lens covers a wide range from 18-300mm.

Autofocus

Tamron lens features fast and precise autofocus.

Build Quality

Tamron lens has moisture-resistant construction.

Overall score

BM Premium High-Power 420-
75
Tamron 18-
85

Specifications

SpecBM Premium High-Power 420-Tamron 18-
Focal Length420-1600mm18-300mm
Aperturef/8.3f/3.5-6.3
CompatibilityCanonSony
StabilizationNoneVC
Focus TypeManualAuto

Dimension comparison

BM Premium High-Power 420-Tamron 18-

Overview of the Lenses

The High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens for Canon EOS is priced at $139.99, while the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD Lens for Sony E APS-C Mirrorless Cameras is considerably more expensive at $599.00. This significant price difference of about 329% raises essential questions about what each lens offers and which might be the better choice for different photographers.

Features and Capabilities

The High-Power 420-1600mm lens boasts impressive zoom capabilities, allowing photographers to capture distant subjects with clarity. Its 420mm to 1600mm range is particularly suitable for wildlife and sports photography. On the other hand, the Tamron lens features a versatile 18-300mm range, which covers everything from wide-angle to ultra-telephoto shots. This all-in-one zoom lens is designed for everyday use, making it ideal for travel and casual photography.

Compatibility and Build Quality

The High-Power lens is designed specifically for various Canon camera models, ensuring seamless integration and compatibility. In contrast, the Tamron lens is made for Sony E APS-C mirrorless cameras, providing a different audience with its capabilities. Both lenses are engineered with user convenience in mind; however, the Tamron lens features moisture-resistant construction and a fluorine coating, enhancing its durability in various shooting conditions.

Autofocus and Image Stabilization

When it comes to autofocus, the Tamron lens has a distinct advantage with its VXD linear motor focus mechanism. This technology allows for fast and precise autofocus, making it suitable for both stills and video. While the High-Power lens does not mention autofocus capabilities, it is a manual lens, which requires the photographer to have a steady hand and a good eye for focus. However, the Tamron lens also includes Vibration Compensation (VC), which minimizes image blur in low-light conditions, giving it an edge in stability during shooting.

Weight and Portability

The High-Power lens is heavier due to its robust build for long-distance photography, although specific weight details are not provided. Comparatively, the Tamron lens is more portable, weighing just 21.9 ounces and measuring 4.9 x 2.9 inches. This compact design makes the Tamron lens easier to carry around for daily photography, while the High-Power lens may require more effort to transport, especially for extended shoots.

Price Comparison

The price difference between the two lenses is quite stark. The High-Power lens is available for $139.99, while the Tamron lens costs $599.00. This means the Tamron lens is about 329% more expensive than the High-Power lens. For photographers on a budget, the High-Power lens offers a compelling option without sacrificing essential capabilities for long-distance photography.

Application and Use Cases

The High-Power lens is particularly well-suited for specialized photography niches such as wildlife and sports, where long-range capture is essential. It excels in scenarios where the subject is far away, allowing for detailed shots that would be impossible with shorter focal lengths. On the other hand, the Tamron lens is versatile enough for various photography scenarios, covering a wide range of situations from landscape to macro photography. The ability to switch from wide-angle to telephoto in a single lens makes it ideal for travel photographers who may not want to carry multiple lenses.

Which should you buy?

Choosing between the High-Power 420-1600mm lens and the Tamron 18-300mm lens ultimately depends on your specific needs and photography style. If you are a Canon user focused on wildlife or sports photography and require a long-range lens, the High-Power lens at $139.99 is an excellent and cost-effective choice. However, if you are a Sony E APS-C camera user seeking versatility in your photography, the Tamron lens offers unmatched convenience and advanced features, albeit at a higher price of $599.00. Consider what type of photography you will primarily engage in, as that will guide your decision on which lens is the better fit for you.