7artisans AF vs lightdow EF/EF-S 420-
Updated July 2026 — 7artisans AF wins on focusing and aperture, lightdow EF/EF-S 420- wins on price and compatibility.
The 7artisans AF 25mm f1.8 excels in low-light performance and portability, while the EF/EF-S 420-800mm F8.3 offers versatility at a lower price. Choose based on your photography needs.
Why 7artisans AF is better
Low Light
The f/1.8 aperture allows for better performance in low-light conditions.
Portability
Weighs only 183g, making it easier to carry.
Autofocus
Equipped with STM for fast and quiet focusing.
Why lightdow EF/EF-S 420- is better
Price
Significantly cheaper at $65.69.
Zoom Range
Offers a wide telephoto range of 420-800mm.
Compatibility
Compatible with a wide range of Canon DSLR models.
Overall score
Specifications
| Spec | 7artisans AF | lightdow EF/EF-S 420- |
|---|---|---|
| Max Aperture | f/1.8 | f/8.3 |
| Weight | 183g | Not Specified |
| Focusing Type | Autofocus | Manual |
| Price | $125.00 | $65.69 |
| Zoom Capability | Fixed | Zoom |
Dimension comparison
Overview of the 7artisans AF 25mm f1.8 and EF/EF-S 420-800mm F8.3
The 7artisans AF 25mm f1.8 is designed for Fuji X Mount cameras, while the EF/EF-S 420-800mm F8.3 is tailored for Canon DSLR users. The 7artisans lens is priced at $125.00, whereas the Canon lens is significantly cheaper at $65.69, making it about 47% less expensive. However, the two lenses cater to very different photography needs and styles, which is crucial to consider when making a decision.
Intended Use and Photography Style
The 7artisans AF 25mm f1.8 is particularly suited for portraiture, street photography, and humanistic captures. Its eye recognition feature allows for quick and precise tracking of subjects, making it ideal for photographers focusing on detail and depth of field. In contrast, the EF/EF-S 420-800mm F8.3 is a telephoto zoom lens that excels in capturing distant subjects such as wildlife, landscapes, and celestial photography. This lens requires manual focusing, which appeals to photographers looking for creative freedom and a hands-on approach to their craft.
Aperture and Low Light Performance
The 7artisans lens features a large f/1.8 aperture, allowing it to perform exceptionally well in low-light conditions. This capability enables better handheld shooting stability and cleaner image quality by maintaining lower ISO levels. On the other hand, the EF/EF-S 420-800mm lens has a maximum aperture of f/8.3 at 420mm, which is less effective in low-light situations. As a result, if you often shoot in dimly lit environments, the 7artisans lens would be the preferable option.
Weight and Portability
Weighing just 183 grams, the 7artisans AF 25mm f1.8 is an ultra-light lens, which makes it convenient for travel and long shooting sessions. In contrast, the weight of the EF/EF-S 420-800mm F8.3 is not specified, but telephoto lenses of this range are generally bulkier and less portable. If you're looking for a lens that won't add significant weight to your gear, the 7artisans lens stands out as the more portable option.
Focusing Mechanism
The 7artisans AF 25mm f1.8 is equipped with an STM stepping motor, providing fast and quiet focusing capabilities. This feature is particularly beneficial for capturing fleeting moments without disrupting the scene. Conversely, the EF/EF-S 420-800mm lens is fully manual focus, which means that users must adjust focus manually. While this allows for a more tailored shooting experience, it may not be suitable for those who prefer the convenience of autofocus.
Compatibility and Versatility
The 7artisans lens is specifically designed for Fuji X Mount cameras, making it a perfect match for users of that ecosystem. Meanwhile, the EF/EF-S 420-800mm lens offers wide compatibility with numerous Canon DSLR models, including the Rebel series and several professional-grade cameras. This versatility makes the Canon lens a more attractive option for photographers who own multiple Canon cameras or wish to upgrade in the future.
Price Comparison
With a current price of $125.00, the 7artisans AF 25mm f1.8 is positioned at a higher price point compared to the EF/EF-S 420-800mm, which is priced at $65.69. This represents a price difference of approximately $59.31, or 47% cheaper for the Canon lens. While the 7artisans lens offers high-end features suitable for specific photography styles, the low price of the Canon lens provides an accessible entry point for photographers seeking a telephoto option.
Which should you buy?
Your choice between the 7artisans AF 25mm f1.8 and the EF/EF-S 420-800mm F8.3 should be guided by your specific photography needs. If you prioritize low-light performance, portability, and autofocus features for portrait and street photography, the 7artisans lens is the superior choice. However, if you are interested in capturing distant subjects and are comfortable with manual focusing, the EF/EF-S lens offers a budget-friendly option that does not compromise on versatility. Ultimately, your camera system and photography style will determine the best fit for your needs.

