Big Mike's High-Power 420- vs Tamron 70-
Updated July 2026 — Big Mike's High-Power 420- wins on weight and zoom range, Tamron 70- wins on portability and length.
The High-Power 420-1600mm lens offers exceptional zoom capabilities at a lower price, while the Tamron lens excels in portability and image quality.
Why Big Mike's High-Power 420- is better
Price
The Canon lens is significantly cheaper at $139.99.
Zoom Range
The Canon lens offers a zoom range of 420mm to 1600mm.
Compatibility
The Canon lens is compatible with a wide range of Canon cameras.
Why Tamron 70- is better
Portability
The Tamron lens is lighter at 19.2 oz.
Image Quality
The Tamron lens has advanced optical design for better image quality.
Build Quality
The Tamron lens features moisture-resistant construction.
Overall score
Specifications
| Spec | Big Mike's High-Power 420- | Tamron 70- |
|---|---|---|
| Focal Length | 420-1600mm | 70-300mm |
| Aperture | f/8.3 | f/4.5-6.3 |
| Weight | 39.7 oz | 19.2 oz |
| Mount Type | EF-Mount | E-Mount |
| Max Zoom | 1600mm | 450mm |
Dimension comparison
Overview of the Products
When it comes to telephoto lenses, the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens for Canon and the Tamron 70-300mm F/4.5-6.3 Di III RXD for Sony present two distinct options for photographers. The former is priced at $139.99, while the latter retails for $399.00, making the Canon lens about 65% cheaper. Each lens appeals to different user needs and camera systems, making a side-by-side comparison essential for potential buyers.
Compatibility and Use Cases
The High-Power 420-1600mm lens is specifically designed for various Canon models, including the EOS 70D and Rebel series. This extensive compatibility allows photographers using these cameras to tap into long-range shooting, ideal for capturing wildlife or sports from a distance. In contrast, the Tamron 70-300mm lens is tailored for Sony full-frame and APS-C mirrorless cameras, offering a versatile focal length that serves well in landscape and portrait photography. Users should consider their camera system when choosing between these two lenses, as each is optimized for different brands.
Zoom Capabilities
The zoom capability is a significant differentiator between these two lenses. The High-Power 420-1600mm lens boasts an impressive range, extending from 420mm to 1600mm with the included 2X teleconverter. This extended range makes it an excellent choice for capturing far-off subjects, such as wildlife or celestial events. On the other hand, the Tamron lens offers a more modest zoom range of 70-300mm, which is still quite effective for most general photography needs. However, for those looking to shoot at extreme distances, the Canon lens provides a clear advantage.
Image Quality and Performance
In terms of image quality, both lenses aim to deliver sharp and clear photos, but they approach it differently. The High-Power 420-1600mm lens features a sophisticated f/8.3 aperture, ensuring that images remain crisp even at high zoom levels. The Tamron lens, with its 15 elements arranged in 10 groups, emphasizes resolving power and minimizes chromatic aberration, which is crucial in telephoto lenses. While the Tamron lens may excel in producing high-resolution images with beautiful bokeh effects, the Canon lens's extensive range gives it a unique edge in capturing distant subjects clearly.
Portability and Design
Portability is an essential aspect for photographers who are often on the move. The Tamron 70-300mm lens shines in this regard, being lightweight at just 19.2 oz and measuring only 5.8 inches long. This compact design makes it easy to carry and handle, especially during long shooting sessions. The High-Power 420-1600mm lens, while offering superior zoom capabilities, is likely bulkier and heavier, which can be a drawback for photographers looking for a lightweight solution. Photographers should consider how often they will need to transport their lens when making a choice.
Price Point Analysis
At $139.99, the High-Power 420-1600mm lens is significantly more budget-friendly than the Tamron lens, which is priced at $399.00. This $259.01 difference equates to about 65% more for the Tamron lens. While the price of the Canon lens may be appealing, buyers must weigh the cost against the features and performance they need. For those on a tighter budget or who require extreme zoom capabilities, the Canon lens is a compelling choice.
Intended Audience
The High-Power 420-1600mm lens is ideal for wildlife and sports photographers who require long-range capabilities without breaking the bank. Its extensive compatibility with Canon cameras further cements its place as a go-to option for those dedicated to that brand. Conversely, the Tamron 70-300mm lens caters to a broader audience, including landscape photographers and casual shooters who appreciate its lightweight design and versatility. This lens is particularly suited for those using Sony mirrorless systems, making it a fantastic option for that specific user base.
Which should you buy?
Choosing between the High-Power 420-1600mm lens and the Tamron 70-300mm lens largely depends on your specific needs and camera system. If you're a Canon user looking for extreme zoom capabilities at a significantly lower price, the High-Power 420-1600mm lens is hard to beat. However, if you're a Sony shooter who values portability and versatility in a telephoto lens, the Tamron 70-300mm lens offers impressive performance and quality that justifies its higher price. Ultimately, understanding your photographic goals and equipment will guide your decision between these two capable lenses.

