Canon EF 75- vs Big Mike's High-Power 420-
Updated July 2026 — Canon EF 75- wins on weight and closest focus, Big Mike's High-Power 420- wins on focal length and aperture.
The Canon EF 75-300mm lens offers better low-light performance and build quality, while the High-Power lens provides exceptional zoom capabilities at a lower price.
Why Canon EF 75- is better
Aperture
Canon lens has a wider maximum aperture for better low-light performance.
Weight
Canon lens is lighter and more portable.
Build Quality
Canon lens is well-constructed with superior optics.
Why Big Mike's High-Power 420- is better
Zoom Range
High-Power lens offers a much longer zoom range.
Price
High-Power lens is significantly cheaper.
Compatibility
High-Power lens supports more Canon camera models.
Overall score
Specifications
| Spec | Canon EF 75- | Big Mike's High-Power 420- |
|---|---|---|
| Max Zoom | 300mm | 1600mm |
| Price | $199.99 | $139.99 |
| Image Stabilization | No | No |
| Manual Focus | No | Yes |
| Warranty | 1 year | N/A |
Dimension comparison
Overview of the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens
The Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens is priced at $199.99, making it a solid option for photographers seeking versatility in their lens choices. This lens features a focal length range of 75-300mm and a maximum aperture of f/4-5.6, which allows for good performance in various lighting conditions. The lens construction includes 13 elements in 9 groups, ensuring sharp images across its zoom range. Additionally, it has a closest focusing distance of 4.9 feet, which enhances its capability for close-up shots, making it suitable for both portraits and wildlife photography.
Overview of the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens
The High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens is offered at a lower price of $139.99, approximately 30% cheaper than the Canon lens. This lens is designed for capturing exceptionally distant subjects, making it ideal for wildlife and sports photography. With a focal length that ranges from 420mm to 1600mm, it provides immense flexibility for long-distance shots. The f/8.3 aperture, while narrower than the Canon lens, still allows for decent image quality at long ranges. However, it is important to note that this lens is manual focus only, which may require more practice for optimal use.
Compatibility with Canon Cameras
Both lenses are compatible with a wide range of Canon SLR cameras, but the High-Power lens boasts compatibility with more models. While the Canon EF 75-300mm lens is designed for Canon SLR cameras in general, the High-Power lens specifically supports various models including the Canon EOS 70D, 80D, 90D, and multiple Rebel series cameras. This extensive compatibility makes the High-Power lens a versatile choice for users with different Canon camera models, potentially attracting a broader audience.
Zoom Capabilities
The zoom capabilities of these two lenses differ significantly. The Canon EF 75-300mm lens offers a maximum zoom range of 300mm, which is adequate for many photography situations. In contrast, the High-Power 420-1600mm lens provides an extraordinary zoom range, stretching from 420mm to an impressive 1600mm, effectively allowing photographers to capture distant subjects that would be impossible with the Canon lens. This substantial difference in zoom range makes the High-Power lens particularly appealing for wildlife photographers and those who frequently shoot outdoor events.
Aperture and Image Quality
When it comes to aperture, the Canon EF 75-300mm lens has a maximum aperture of f/4-5.6, which allows for better low-light performance and more depth of field control compared to the High-Power lens, which has a maximum aperture of f/8.3. This means that while the Canon lens can deliver sharper images in lower light and better subject isolation, the High-Power lens, although it captures distant subjects well, may struggle in similar conditions. Hence, if image quality in various lighting is a priority, the Canon lens might be the better choice.
Weight and Portability
Weight and portability can greatly influence a photographer's choice of lens, especially for those who travel or hike to capture images. The Canon EF 75-300mm lens weighs 16.8 ounces, making it relatively lightweight and easy to handle for extended periods. In contrast, the weight of the High-Power 420-1600mm lens is not specified, but such long telephoto lenses tend to be bulkier and heavier, which could pose a challenge for portability. Photographers who prioritize ease of transport may find the Canon lens more suitable for their needs.
Price Comparison
In terms of price, the Canon EF 75-300mm lens retails for $199.99, while the High-Power 420-1600mm lens is priced at $139.99. This represents a price difference of about $60, with the High-Power lens being approximately 30% cheaper. For budget-conscious photographers or those who are just starting out, the lower price of the High-Power lens may be more attractive. However, the additional features and performance of the Canon lens may justify its higher price for more experienced photographers.
Which should you buy?
Ultimately, the choice between the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens and the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens depends on your specific photographic needs. If you require a versatile, well-constructed lens for general photography with good low-light performance, the Canon lens may be the better option despite its higher price. However, if your focus is on extreme zoom capabilities for distant subjects and you are comfortable with manual focusing, the High-Power lens offers significant value at a lower price point. Consider your shooting style, budget, and the types of subjects you wish to capture before making a decision.

