vsversusfinder

Canon EF vs BM Premium High-Power 420-

Updated July 2026 — Canon EF wins on portability and build, BM Premium High-Power 420- wins on focal length and weight.

The Canon EF 50mm f/1.8 STM Lens excels in low-light performance and image quality, while the High-Power 420-1600mm lens offers greater zoom flexibility at a lower price.

Why Canon EF is better

Image Quality

Canon lens provides superior sharpness and color rendition.

Low-Light Performance

Canon lens has a larger aperture for better low-light shooting.

Autofocus

Canon lens features silent and fast autofocus.

Why BM Premium High-Power 420- is better

Zoom Range

Telephoto lens offers a much greater focal length.

Price

Telephoto lens is cheaper by about $29.

Compatibility

Telephoto lens fits a wider range of Canon models.

Overall score

Canon EF
85
BM Premium High-Power 420-
73

Specifications

SpecCanon EFBM Premium High-Power 420-
Max Aperturef/1.8f/8.3
Min Focus Dist.1.15 ftN/A
Lens TypePrimeZoom
CompatibilityEF MountEF Mount
Construction6 elementsN/A

Dimension comparison

Canon EFBM Premium High-Power 420-

Overview of Canon EF 50mm f/1.8 STM Lens

The Canon EF 50mm f/1.8 STM Lens is priced at $169.00 and is known for its versatility and exceptional quality in various photography scenarios. This lens features a maximum aperture of f/1.8, making it particularly suitable for low-light conditions and portraits. It has a minimum focusing distance of 1.15 feet, which allows photographers to capture detailed images up close. The lens construction consists of six elements in five groups, ensuring high-quality image rendering with minimized ghosting and flare. Its compact and lightweight design makes it an excellent choice for everyday use, especially for those venturing into prime lenses.

Overview of High-Power 420-1600mm Telephoto Zoom Lens

The High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens is priced at $139.99, making it about 17% cheaper than the Canon EF 50mm f/1.8 STM Lens. This lens is designed for long-range photography, offering a remarkable focal length range from 420mm to 1600mm. It is particularly suited for capturing distant subjects such as wildlife and sporting events. With a sophisticated f/8.3 aperture, this lens ensures crisp and clear images, although its maximum aperture is smaller compared to the Canon EF 50mm. The lens is compatible with a variety of Canon models, enhancing its usability for photographers who own multiple cameras.

Focal Length and Versatility

The focal length of the Canon EF 50mm f/1.8 STM Lens is fixed at 50mm, making it ideal for portraits and low-light photography, while providing a natural perspective similar to the human eye. In contrast, the High-Power 420-1600mm lens boasts a zoom range that allows for much greater flexibility in capturing distant subjects. This versatility makes the telephoto lens an excellent choice for sports and wildlife photography, enabling users to zoom in on subjects that are far away without losing detail. However, the trade-off is that the Canon lens excels in low-light conditions and offers a shallower depth of field, resulting in beautiful background blur.

Build Quality and Design

The Canon EF 50mm f/1.8 STM Lens features a rugged metal mount and improved focus ring placement, enhancing its overall durability and usability. Its compact size, measuring about 2.7 x 1.5 inches and weighing only 5.6 ounces, makes it easy to carry. On the other hand, the High-Power 420-1600mm lens is bulkier due to its extended zoom capabilities but is still designed for easy attachment to Canon cameras. While both lenses are designed for Canon's EF mount, the construction and ergonomics differ significantly, with the Canon lens emphasizing portability and ease of use, and the telephoto lens focusing on extended reach.

Autofocus and Manual Controls

The Canon EF 50mm f/1.8 STM Lens is equipped with a stepping motor (STM) that provides near-silent and continuous autofocus, which is particularly beneficial for video recording and capturing candid moments. This feature allows for quick adjustments, making it user-friendly for photographers at any level. Conversely, the High-Power 420-1600mm lens is a manual focus lens, requiring photographers to adjust focus manually, which can be a disadvantage for those who prefer the convenience of autofocus. This difference in autofocus capabilities can significantly affect user experience, especially in fast-paced shooting environments.

Image Quality and Performance

When it comes to image quality, the Canon EF 50mm f/1.8 STM Lens is known for its sharpness and excellent color rendition, partly due to its advanced lens coatings that reduce ghosting and flare. This lens is particularly effective in low-light situations, offering impressive performance in capturing rich details and vibrant colors. On the other hand, the High-Power 420-1600mm lens, while capable of capturing distant subjects clearly, may not match the same level of sharpness and low-light performance due to its smaller aperture of f/8.3. Thus, while both lenses serve distinct purposes, the Canon lens stands out in terms of overall image quality and versatility in different lighting conditions.

Price Comparison

With the Canon EF 50mm f/1.8 STM Lens priced at $169.00 and the High-Power 420-1600mm lens at $139.99, there is a notable price difference of about $29.01. While the telephoto lens offers a greater focal range at a lower price, it lacks the low-light performance and image quality that the Canon lens provides. For photographers on a budget or those specifically needing long-range capabilities, the telephoto lens might be appealing. However, for those who prioritize sharpness, image quality, and overall versatility, the Canon lens justifies its higher price point.

Which should you buy?

Ultimately, the choice between the Canon EF 50mm f/1.8 STM Lens and the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens depends on your specific photography needs. If you are looking for a versatile, high-quality lens that excels in low-light conditions and portrait photography, the Canon lens is the superior choice. However, if your focus is on capturing distant subjects such as wildlife or sports, and you prefer a more budget-friendly option, the telephoto lens provides significant reach at a lower cost. Consider your primary photography style and requirements when making your decision.