Big Mike's High-Power 420- vs Sigma
Updated July 2026 — Big Mike's High-Power 420- wins on zoom and aperture, Sigma wins on price.
The High-Power lens offers great value for budget-conscious photographers, while the Sigma lens excels in optical performance and low-light capabilities.
Why Big Mike's High-Power 420- is better
Price
The Canon lens is significantly cheaper at $139.99.
Zoom Range
Offers a zoom range of 420mm to 1600mm.
Compatibility
Compatible with a wide range of Canon DSLR models.
Why Sigma is better
Optical Quality
Features a large f/1.4 aperture for better low-light performance.
Autofocus
Includes fast and accurate autofocus with a stepping motor.
Build Quality
Compact design with high-quality materials for portability.
Overall score
Specifications
| Spec | Big Mike's High-Power 420- | Sigma |
|---|---|---|
| Focal Length | 420-1600mm | 30mm |
| Aperture | f/8.3 | f/1.4 |
| Mount Type | EF-Mount | Sony E |
| Focus Type | Manual | Autofocus |
| Included Accessories | None | Lens Hood, Caps |
Dimension comparison
Overview of the Products
The High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens for Canon EOS 70D is priced at $139.99, while the Sigma 30mm F1.4 Contemporary DC DN Lens for Sony E comes in at $419.00. The significant price difference of about 299% makes the Canon lens an attractive option for budget-conscious photographers. However, the choice between these two lenses involves more than just price—it also includes features, performance, and compatibility with different camera systems.
Compatibility and Use Cases
The High-Power 420-1600mm lens is specifically designed for a wide range of Canon DSLR cameras, including popular models like the EOS 70D, 80D, and 90D. Its compatibility with an extensive list of Canon models makes it ideal for photographers who already own Canon equipment and are looking to enhance their telephoto capabilities. In contrast, the Sigma 30mm lens is tailored for Sony E-mount mirrorless cameras, making it a great choice for users of that system. While the Canon lens excels in long-distance photography, such as wildlife and sports, the Sigma lens shines in portraiture and low-light conditions due to its large f/1.4 aperture.
Optical Performance
The High-Power lens boasts an impressive zoom range of 420mm to 1600mm, which is ideal for capturing distant subjects. Its f/8.3 aperture ensures decent light capture, although it may not be the best in low-light situations. On the other hand, the Sigma lens features a large f/1.4 aperture, allowing for excellent light gathering and depth-of-field control. This capability is particularly useful for portrait photography and creating a pleasing bokeh effect. While the Canon lens is designed for extreme reach, the Sigma lens focuses on optical quality in a more standard focal length, serving different photographic needs.
Build Quality and Design
The High-Power lens presents a robust design, suitable for outdoor use, particularly in challenging conditions. However, being a manual lens, it may require more practice and skill to operate effectively. Conversely, the Sigma lens is designed with a compact and portable form factor, making it easy to carry during long shoots. Its nine rounded aperture blades contribute to a smooth bokeh, enhancing the overall image quality. The Sigma lens also includes accessories like a lens hood, rear, and front cap, which add value to the purchase.
Price Comparison
The price difference between these two lenses is significant. The High-Power 420-1600mm lens is priced at $139.99, while the Sigma 30mm lens retails for $419.00. This means that the Canon lens is about 67% cheaper than the Sigma lens. For photographers on a budget or those just starting out, the affordability of the Canon lens can make it a more appealing choice. However, the higher price of the Sigma lens reflects its specialized features and optical performance, which may justify the investment for more serious users.
Autofocus and Operation
The High-Power lens is a manual focus lens, which means users must adjust focus manually. This can be a disadvantage for those who prefer the convenience of autofocus, especially in fast-paced shooting scenarios. On the other hand, the Sigma lens incorporates a stepping motor that provides fast and accurate autofocus, making it ideal for both photography and videography. This automated focus capability is a significant advantage, particularly for users who require quick adjustments while shooting moving subjects or in dynamic environments.
Target Audience
The target audience for the High-Power 420-1600mm lens includes amateur photographers and wildlife enthusiasts who need a budget-friendly option for long-distance photography. Its expansive zoom range makes it perfect for capturing distant subjects. Conversely, the Sigma 30mm lens targets professional photographers and serious hobbyists who demand high-quality optics and performance, especially in low-light conditions. The two lenses cater to different needs and skill levels, making the choice dependent on the photographer's specific requirements.
Which should you buy?
Choosing between the High-Power 420-1600mm lens and the Sigma 30mm lens ultimately depends on your photographic needs and budget. If you are looking for an affordable telephoto option that allows for long-distance photography with compatibility across many Canon models, the High-Power lens at $139.99 is a compelling choice. However, if you prioritize optical performance, low-light capabilities, and autofocus convenience, the Sigma lens at $419.00 may be worth the investment. Weighing the price against performance and compatibility will guide you to the best lens for your photography journey.

