lightdow EF/EF-S 420- vs VILTROX
Updated July 2026 — lightdow EF/EF-S 420- wins on weight and focal length, VILTROX wins on price and focus type.
The EF/EF-S 420-800mm lens is a budget-friendly option for Canon users, while the VILTROX 35mm f1.7 offers superior features for Fujifilm photographers.
Why lightdow EF/EF-S 420- is better
Price
The EF/EF-S 420-800mm is significantly cheaper.
Telephoto Range
Offers a much longer focal length.
Durability
Built for rugged outdoor use.
Why VILTROX is better
Autofocus
Includes fast and silent autofocus.
Low-Light Performance
Wider aperture for better low-light shots.
Optical Quality
Advanced optical design minimizes aberrations.
Overall score
Specifications
| Spec | lightdow EF/EF-S 420- | VILTROX |
|---|---|---|
| Brand | lightdow | VILTROX |
| Type | Telephoto | Standard |
| Mount | Canon EF/EF-S | Fujifilm X |
| Max Aperture | F8.3 | F1.7 |
| Manual Focus | Yes | No |
Dimension comparison
Overview of the EF/EF-S 420-800mm F8.3 and VILTROX 35mm f1.7
The EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens and the VILTROX 35mm f1.7 Fuji are two distinct lenses catering to different photography styles and needs. The former is a super telephoto lens designed for Canon cameras, while the latter is a versatile standard lens for Fujifilm X-Mount cameras. Understanding their features and target audiences will help you determine which lens might suit your photography endeavors best.
Price Comparison
The EF/EF-S 420-800mm F8.3 comes at a price of $67.99, making it about 62% cheaper than the VILTROX 35mm f1.7, priced at $179.00. This significant price difference may attract budget-conscious photographers, especially those seeking to experiment with telephoto photography without a hefty investment. However, the lower price of the EF/EF-S lens comes with the trade-off of being a fully manual lens, which may not appeal to everyone. The VILTROX, while more expensive, offers autofocus capabilities and other advanced features that justify its higher price point.
Target Audience
The EF/EF-S 420-800mm F8.3 is tailored for photographers who are comfortable with manual focus and looking for a robust telephoto option, ideal for wildlife or sports photography. Its vast focal length range allows for capturing distant subjects with precision. On the other hand, the VILTROX 35mm f1.7 is geared toward those who appreciate versatility and ease of use, such as portrait and street photographers. The autofocus feature and wider aperture make it particularly appealing for capturing low-light situations or achieving stunning bokeh effects.
Features and Performance
When it comes to features, the EF/EF-S 420-800mm F8.3 lens boasts a super telephoto zoom capability, offering focal lengths from 420mm to 800mm. This allows for detailed close-ups of distant subjects, making it an excellent choice for wildlife or sports photography. However, it requires manual focusing, which can be challenging for beginners. In contrast, the VILTROX 35mm f1.7 features a bright f/1.7 aperture, which excels in low-light conditions and provides beautiful background blur. Its autofocus system is designed for fast and silent operation, making it suitable for both stills and video work, which is a significant advantage over the manual-only approach of the EF/EF-S lens.
Build Quality and Design
Both lenses are designed with the photographer's needs in mind but differ significantly in their build and usability. The EF/EF-S 420-800mm lens is built for durability, with a focus on manual control, making it suitable for professional use in various outdoor conditions. Its large focus ring and internal focus mechanism provide a stable manual focusing experience. In comparison, the VILTROX 35mm f1.7 is designed with a more modern approach, featuring a compact size and thoughtful design details like an extended lens hood and USB-C upgrade port for firmware updates. This makes it more user-friendly and adaptable to evolving camera technologies.
Image Quality
In terms of image quality, the EF/EF-S 420-800mm F8.3 is engineered with UMC technology to minimize aberrations and flare, ensuring sharp images even at long focal lengths. However, its manual focus may hinder some photographers from achieving the best compositions. Meanwhile, the VILTROX 35mm f1.7 incorporates advanced optical design featuring 11 elements in 9 groups, including high refractive and extra-low dispersion elements. This design not only minimizes distortion and chromatic aberrations but also enhances overall sharpness, ensuring vibrant and clear images suitable for a variety of photographic styles.
Compatibility
Compatibility is another crucial factor when choosing between these lenses. The EF/EF-S 420-800mm F8.3 is explicitly designed for Canon EOS DSLRs, providing wide compatibility with numerous Canon models, including the Rebel series and 5D Mark IV. This makes it a valuable addition for Canon users looking for a telephoto option. Conversely, the VILTROX 35mm f1.7 is optimized for Fujifilm X-Mount cameras, making it an excellent choice for photographers using models like the X-T3 or X-T4. If you own a camera from one of these specific brands, your choice will likely hinge on which mount your camera supports.
Which should you buy?
When deciding between the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens and the VILTROX 35mm f1.7, consider your specific photography needs. If you are a Canon user looking for an affordable telephoto lens and are comfortable with manual focusing, the EF/EF-S 420-800mm lens offers great value at just $67.99. However, if you are a Fujifilm photographer who values autofocus, low-light performance, and versatility in your lens, the VILTROX 35mm f1.7, priced at $179.00, would be the better investment. Ultimately, your choice should align with your camera system and your photographic style.

