BENOISON vs lightdow EF/EF-S 420-
Updated July 2026 — BENOISON wins on price and focus, lightdow EF/EF-S 420- wins on weight and length.
The 85mm f1.8 Portrait Lens excels in portrait photography, while the EF/EF-S 420-800mm lens offers versatility for wildlife and sports. Choose based on your specific needs.
Why BENOISON is better
Aperture
85mm f1.8 offers a wider aperture for better low-light performance.
Portraits
Designed specifically for portrait photography.
Bokeh
Creates stunning background bokeh.
Why lightdow EF/EF-S 420- is better
Zoom Range
420-800mm provides a greater zoom range.
Price
More budget-friendly option at $67.99.
Versatility
Better suited for wildlife and sports photography.
Overall score
Specifications
| Spec | BENOISON | lightdow EF/EF-S 420- |
|---|---|---|
| Compatibility | Nikon DSLRs | Canon DSLRs |
| Manual Focus | Yes | Yes |
| Ideal Use | Portraits | Wildlife/Sports |
| Bokeh | Excellent | Good |
| Zoom Capability | Fixed | Variable |
Dimension comparison
Overview of the 85mm f1.8 Portrait Lens and EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens
When comparing the 85mm f1.8 Portrait Lens and the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens, two distinct offerings emerge aimed at different types of photography. The 85mm f1.8 Portrait Lens is priced at $96.22, while the EF/EF-S 420-800mm lens comes in at $67.99, making it about 29% cheaper than its competitor. This price difference hints at their different target markets and use cases, which will be explored further in this comparison.
Target Audience and Use Cases
The 85mm f1.8 Portrait Lens is tailored for portrait photographers who seek to capture stunning, high-quality images with a shallow depth of field. With its large f1.8 aperture, it excels in creating beautiful background bokeh, ideal for half-body and full-body portraits. In contrast, the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens caters to wildlife and sports photographers needing to capture distant subjects. Its super telephoto zoom range allows for flexibility in framing, making it perfect for capturing fleeting moments from afar.
Build Quality and Design
Both lenses are built for durability and offer a manual focus experience. The 85mm f1.8 Portrait Lens features a robust design that ensures stability during shooting, while the EF/EF-S 420-800mm lens includes an internal focus mechanism that minimizes aberrations and flare for sharper images. Each lens requires manual adjustments for exposure and focus, empowering photographers with the ability to creatively control their shots. However, the 85mm lens is designed for a more straightforward focus experience, while the 420-800mm lens offers more complexity with its multiple focal lengths.
Compatibility and Mounting
The 85mm f1.8 Portrait Lens is specifically designed for Nikon DSLR cameras, compatible with models like the D3500 and D850. This lens cannot be used with Nikon's Z-series mirrorless cameras. On the other hand, the EF/EF-S 420-800mm lens is versatile in its compatibility, designed for a wide range of Canon EOS DSLR cameras, including the Rebel series and professional models like the 5D Mark IV. This broader compatibility makes the EF/EF-S lens more accessible to Canon users, while the Nikon-specific design of the 85mm lens may limit its user base.
Manual Focus Experience
Both lenses are manual focus (MF) only, requiring photographers to adjust focus manually. The 85mm f1.8 Portrait Lens offers a simple manual focusing experience, where users rotate the focus ring to achieve sharpness. The EF/EF-S 420-800mm lens, however, demands a more involved manual focus approach, appealing to photographers who want to enhance their technical skills. This lens emphasizes precision and control, but it may also present a steeper learning curve for novices compared to the user-friendly design of the 85mm lens.
Price Comparison
At $96.22, the 85mm f1.8 Portrait Lens is priced higher than the EF/EF-S 420-800mm lens, which retails for $67.99. This price difference of approximately $28.23 could be a deciding factor for budget-conscious consumers. While the 85mm lens offers outstanding portrait capabilities, the EF/EF-S lens provides a longer zoom range at a more accessible price point. Photographers must weigh their specific needs against their budgets when choosing between these two lenses.
Performance in Various Conditions
The 85mm f1.8 Portrait Lens excels in low-light situations thanks to its wide aperture, making it suitable for indoor portraits and evening events. Its design allows for striking images with a pleasing background blur, enhancing the subject's prominence. Conversely, the EF/EF-S 420-800mm lens, while less effective in low-light conditions due to its fixed f8.3 aperture, shines in bright outdoor settings. Its telephoto capabilities enable users to capture clear details of wildlife or sports events from a significant distance, though it may require higher ISO settings in dimmer environments.
Which should you buy?
Choosing between the 85mm f1.8 Portrait Lens and the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens ultimately depends on your photographic needs. If you specialize in portrait photography and value a wide aperture for depth of field, the 85mm lens may be worth the investment. However, if you require versatility for wildlife or sports photography and prefer a more budget-friendly option, the EF/EF-S lens offers a compelling choice. Each lens has its unique strengths, so consider your specific shooting scenarios to make the best decision.

