S erounder vs lightdow EF/EF-S 420-
Updated July 2026 — S erounder wins on magnification, lightdow EF/EF-S 420- wins on weight and focal length.
The 37mm 0.25X Super Fisheye Lens is ideal for creative wide-angle photography, while the EF/EF-S 420-800mm Telephoto Zoom Lens excels in capturing distant subjects. Choose based on your photography needs.
Why S erounder is better
Lower Price
The fisheye lens is more affordable at $52.35.
Portability
The fisheye lens is lightweight and easy to carry.
Macro Capability
The fisheye lens can be used for macro photography.
Why lightdow EF/EF-S 420- is better
Zoom Range
The telephoto lens offers a significant zoom range of 420-800mm.
Image Detail
The telephoto lens captures detailed images of distant subjects.
Compatibility
The telephoto lens is compatible with a wide range of Canon cameras.
Overall score
Specifications
| Spec | S erounder | lightdow EF/EF-S 420- |
|---|---|---|
| Type | Fisheye | Telephoto |
| Aperture | F8.3 | F8.3-16 |
| Focus Type | Manual | Manual |
| Macro Feature | Yes | No |
| Storage Bag | Included | Not Included |
Dimension comparison
Overview of the Products
In this comparison, we examine the 37mm 0.25X Super Fisheye Lens Additional Lens and the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens. The fisheye lens, priced at $52.35, is designed for wide-angle photography, while the telephoto lens, at $65.69, is tailored for capturing distant subjects. Understanding their differences can help photographers choose the right tool for their specific needs.
Intended Use Cases
The 37mm 0.25X Super Fisheye Lens is ideal for photographers looking to experiment with wide-angle shots and creative perspectives. Its fisheye effect offers a unique visual style suitable for landscapes and artistic photography. On the other hand, the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens excels in capturing faraway subjects such as wildlife, landscapes, and even the moon, making it a strong choice for nature and outdoor photography. Each lens serves distinct photographic styles, emphasizing the importance of selecting the right type based on the intended application.
Build Quality and Design
In terms of construction, the 37mm 0.25X Super Fisheye Lens boasts a robust design with aluminum alloy and optical glass, ensuring durability and longevity. Weighing approximately 228g, it is also portable, making it easy to carry for on-the-go photography. Conversely, the EF/EF-S 420-800mm Telephoto Zoom Lens is designed with a focus on precision and stability, although its full manual focus design requires users to manually adjust settings for optimal results. This design choice enhances durability but may be less convenient for some users. Both lenses emphasize quality but cater to different user preferences regarding ease of use and portability.
Features and Functionality
The 37mm 0.25X Super Fisheye Lens offers a wider picture range and can be divided into two parts, allowing for macro photography with a magnification effect of 12.5 times. This versatility makes it suitable for various shooting conditions and styles. In contrast, the EF/EF-S 420-800mm Telephoto Zoom Lens features a wide compatibility with Canon EF/EF-S mounts and a precision manual focus mechanism. Its focal length versatility allows users to switch between capturing broad scenes and zooming in on distant subjects, providing a flexible shooting experience. Both lenses bring unique features, enhancing their appeal to different types of photographers.
Price Point Comparison
At $52.35, the 37mm 0.25X Super Fisheye Lens is approximately 20% cheaper than the EF/EF-S 420-800mm Telephoto Zoom Lens, which retails for $65.69. This price difference might make the fisheye lens a more attractive option for budget-conscious photographers or those just starting in photography. However, the investment in the telephoto lens may be justified for professionals or enthusiasts who specifically require its capabilities for wildlife or landscape photography. Understanding the cost-benefit ratio is essential when making a purchasing decision.
User Experience
The 37mm 0.25X Super Fisheye Lens is praised for its ease of use and portability. It comes with a storage bag and dust removal cloth, making it convenient for photographers who need to transport their gear. In contrast, the EF/EF-S 420-800mm Telephoto Zoom Lens demands a more hands-on approach due to its fully manual focus design. This can enhance creative control for skilled photographers, but it may pose a challenge for beginners. Thus, user experience largely depends on the photographer's skill level and preference for manual versus automatic adjustments.
Compatibility and Versatility
The 37mm 0.25X Super Fisheye Lens is designed specifically for cameras with a 37mm lens mount, making it highly compatible with a range of models. Meanwhile, the EF/EF-S 420-800mm Telephoto Zoom Lens is compatible with numerous Canon DSLR models, including the EOS Rebel series and the 5D Mark series. This wide compatibility enhances the telephoto lens's versatility, making it a practical choice for photographers with various Canon cameras. Ultimately, this feature can significantly influence the decision based on the camera system a photographer is using.
Which should you buy?
Choosing between the 37mm 0.25X Super Fisheye Lens and the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens depends on your specific photography needs. If you’re drawn to creative, wide-angle photography and seek a more affordable option, the fisheye lens is an excellent choice. Conversely, if you require a powerful telephoto lens for capturing distant subjects and are willing to invest more for enhanced capabilities, the telephoto lens may be the better fit. Evaluate your photography style, budget, and camera compatibility to make the best decision.

