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BM Premium High-Power 420- vs TTArtisan 7.

Updated July 2026 — BM Premium High-Power 420- wins on zoom and compatibility, TTArtisan 7. wins on aperture and usability.

The High-Power 420-1600mm lens excels in zoom capabilities for distant subjects, while the TTArtisan 7.5mm lens offers better low-light performance and creative options. Choose based on your photography needs.

Why BM Premium High-Power 420- is better

Zoom Capability

Superior zoom range for distant photography

Compatibility

Works with a wide range of Canon cameras

Precision

High detail capture for wildlife and sports

Why TTArtisan 7. is better

Low Light

Better performance in low-light conditions

Creative Options

Ideal for wide-angle and environmental shots

User-Friendly

Lightweight and easy to handle for casual shooting

Overall score

BM Premium High-Power 420-
75
TTArtisan 7.
80

Specifications

SpecBM Premium High-Power 420-TTArtisan 7.
Focal Length420-1600mm7.5mm
Aperturef/8.3f/2.0
WeightHeavyLight
Camera MountCanon EFSony E
Zoom TypeTelephotoFisheye

Dimension comparison

BM Premium High-Power 420-TTArtisan 7.

Overview of the Products

When it comes to choosing between the High-Power 420-1600mm f/8.3 HD Manual Telephoto Zoom Lens for Canon EOS cameras and the TTArtisan 7.5mm F2.0 APS-C Large Aperture Fisheye Lens compatible with Sony E mount cameras, the differences are striking. The former offers an extensive zoom range ideal for long-distance photography, while the latter is designed for wide-angle shots with a creative flair. Each lens caters to distinct photography needs and preferences, making the choice dependent on the type of photography you wish to pursue.

Intended Use

The High-Power 420-1600mm lens is tailored for photographers who need to capture distant subjects, such as wildlife or sports, with remarkable clarity. Its zoom capability allows users to shoot subjects that are far away, providing enhanced photographic flexibility. In contrast, the TTArtisan 7.5mm lens excels in capturing wide scenes, making it a fitting choice for documentary, street, and landscape photography. This lens offers a 81° viewing angle, making it easier to compose shots without the exaggerated distortion often associated with ultra-wide lenses.

Compatibility

Compatibility is a key factor when selecting a lens. The High-Power 420-1600mm lens is designed for a wide range of Canon cameras, including models such as the EOS 80D, EOS 90D, and Rebel T3 through T7 series. This extensive compatibility ensures that many Canon users can utilize this lens effectively. On the other hand, the TTArtisan 7.5mm lens is specifically made for Sony E mount cameras, including popular models like the A5000, A5100, and A6000. For photographers invested in either of these camera systems, the choice of lens is straightforward based on their camera brand.

Price Comparison

In terms of pricing, the High-Power 420-1600mm lens is priced at $139.99, while the TTArtisan 7.5mm lens costs $139.00. This makes the TTArtisan lens about 1% cheaper than its Canon counterpart. While the price difference is minimal, the value one derives from each lens will depend heavily on personal photography style and needs. Photographers should consider what they are willing to invest for the specific capabilities each lens offers.

Aperture and Low Light Performance

The aperture plays a significant role in a lens's ability to perform in various lighting conditions. The High-Power 420-1600mm lens features a fixed aperture of f/8.3, which may limit its effectiveness in low-light situations. In contrast, the TTArtisan 7.5mm lens boasts a faster maximum aperture of f/2.0, allowing for greater light intake. This capability makes the TTArtisan lens more versatile for low-light photography, offering more creative freedom when shooting in challenging conditions.

Creative Options

Photographers looking to explore creative compositions will find distinct advantages with each lens. The High-Power 420-1600mm lens allows for detailed close-ups of distant subjects, ideal for capturing intricate details in wildlife or landscapes. The TTArtisan 7.5mm lens, on the other hand, provides a unique opportunity for expansive environmental portraits and dynamic street photography. The large aperture combined with the wide-angle perspective can produce striking images that integrate subjects with their environments effectively.

Build Quality and Usability

Both lenses are designed with usability in mind, but they cater to different user experiences. The High-Power 420-1600mm lens is a manual telephoto lens, which may present a learning curve for photographers who are used to automatic focusing. However, this manual control can lead to more intentional and precise photography. Conversely, the TTArtisan 7.5mm lens is also manual but is designed to be user-friendly, making it suitable for both novice and experienced photographers. Its lightweight build and compact size enhance portability, making it easier to carry around for casual shooting.

Which should you buy?

The decision between the High-Power 420-1600mm lens and the TTArtisan 7.5mm lens ultimately hinges on your photographic needs. If your primary focus is on capturing distant subjects with precision, the High-Power 420-1600mm lens is the better choice, offering remarkable zoom capabilities. However, if you are looking for a lens that allows for creative wide-angle shots and performs well in low light, the TTArtisan 7.5mm lens stands out as the superior option. Each lens offers unique advantages, ensuring that whichever you choose will cater to your specific photographic style.