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7artisans 7. vs BM Premium High-Power 420-

Updated July 2026 — 7artisans 7. wins on viewing angle, BM Premium High-Power 420- wins on weight and length.

The 7artisans 7.5mm F2.8 II offers superior wide-angle capabilities, while the High-Power 420-1600mm excels in long-distance photography. Choose based on your specific needs.

Why 7artisans 7. is better

Wide Angle

Offers a 190-degree viewing angle.

Build Quality

All-metal body enhances durability.

Aperture

F2.8 aperture allows better low-light performance.

Why BM Premium High-Power 420- is better

Zoom Range

Covers 420mm to 1600mm for distant subjects.

Compatibility

Fits a wide range of Canon cameras.

Teleconverter

Includes a 2X teleconverter for extended reach.

Overall score

7artisans 7.
85
BM Premium High-Power 420-
78

Specifications

Spec7artisans 7.BM Premium High-Power 420-
Focal Length7.5mm420-1600mm
ApertureF2.8F8.3
Mount TypeSony ECanon EF
Elements1112
Groups910

Dimension comparison

7artisans 7.BM Premium High-Power 420-

Overview of the 7artisans 7.5mm F2.8 II Fisheye Lens

The 7artisans 7.5mm F2.8 II Fisheye Lens is priced at $139.00, making it a competitive option for photographers looking for an ultra-wide-angle lens. This lens boasts a 190-degree viewing angle and is designed specifically for Sony E-Mount cameras, including popular models like the A7 and A6500. Its large F2.8 aperture allows for better light capture, enhancing image quality, especially in low-light conditions. The build quality is notable, featuring a full metal body with a petal lens hood, which not only adds to its durability but also enhances its aesthetic appeal.

Overview of the High-Power 420-1600mm f/8.3 Telephoto Zoom Lens

The High-Power 420-1600mm f/8.3 Telephoto Zoom Lens is available for $139.99, positioning it slightly higher in price compared to the 7artisans lens. This lens is designed for Canon cameras and offers an impressive zoom capability, allowing photographers to capture subjects from a distance, such as wildlife or sports. Its versatility is highlighted by its compatibility with various Canon models, including the EOS 80D and 90D. The lens features a 2X teleconverter, effectively doubling its zoom range, which can be particularly beneficial for those looking to capture distant details.

Design and Build Quality

The design of the 7artisans 7.5mm F2.8 II is marked by a compact and lightweight structure, which can be a significant advantage for travel and outdoor photography. The all-metal body not only contributes to its durability but also provides a premium feel. In contrast, the High-Power 420-1600mm lens, while also well-constructed, is inherently larger and heavier due to its extensive zoom range. The added bulk may affect portability for some users. Both lenses exhibit high-quality craftsmanship, but the choice may ultimately depend on the photographer's preference for size and handling.

Compatibility and Versatility

The 7artisans lens is exclusively compatible with Sony E-Mount cameras, which could limit its appeal to photographers using other brands. However, for those within the Sony ecosystem, its wide-angle capabilities are perfect for landscapes, travel photography, and even 360° VR panoramas. On the other hand, the High-Power lens boasts compatibility with a wider range of Canon models, including the Rebel and EOS series. This broad compatibility enhances its versatility, making it suitable for various photography styles, particularly when capturing long-distance shots.

Optical Performance

Optical performance is a crucial aspect to consider in any lens comparison. The 7artisans 7.5mm F2.8 II features 9 groups and 11 elements, including two ED lenses designed to reduce chromatic aberration. This setup allows for excellent image quality, especially around the edges, which can often be a weak point in fisheye lenses. Conversely, the High-Power 420-1600mm lens, with its f/8.3 aperture, is designed for capturing intricate details at long ranges. The lens's sophisticated design aims to provide sharp and clear images, making it ideal for wildlife and sports photography.

Pricing and Value

The 7artisans 7.5mm F2.8 II is priced at $139.00, while the High-Power 420-1600mm lens is slightly more expensive at $139.99. This makes the 7artisans lens about 0.7% cheaper. When considering value, the price difference is minimal, but the applications of each lens cater to different types of photography. The choice depends on whether the photographer prioritizes ultra-wide-angle shots or long-distance capabilities. Both lenses offer good value for their respective niches, but the decision should align with the user's specific needs.

Intended Use Cases

The intended use cases for each lens highlight their strengths. The 7artisans 7.5mm F2.8 II is excellent for landscape, travel, and creative photography due to its expansive field of view. It excels in scenarios where capturing a wide perspective is crucial. Alternatively, the High-Power 420-1600mm lens is tailored for capturing distant subjects, making it ideal for wildlife photographers or those shooting sports. Each lens serves a distinct purpose, underscoring the importance of selecting the right tool for the specific photographic endeavor.

Which should you buy?

Choosing between the 7artisans 7.5mm F2.8 II Fisheye Lens and the High-Power 420-1600mm f/8.3 Telephoto Zoom Lens ultimately depends on your photographic needs. If you are a Sony user seeking to explore wide-angle photography with a durable and compact lens, the 7artisans lens is a fitting choice. Conversely, if you own a Canon camera and are looking for a versatile telephoto lens capable of capturing distant subjects, the High-Power lens may be the better option. Each lens offers unique benefits, so your decision should align with the type of photography you engage in most frequently.