BENOISON Telephoto Lens for Nikon - F Lens 420- vs Canon RF
Updated July 2026 — BENOISON Telephoto Lens for Nikon - F Lens 420- wins on weight and focal length, Canon RF wins on price and ease of use.
The BENOISON lens offers significant savings for Nikon users, while the Canon lens excels in low-light performance and ease of use.
Why BENOISON Telephoto Lens for Nikon - F Lens 420- is better
Price
BENOISON lens is significantly cheaper at $67.99.
Zoom Range
BENOISON offers a focal length of 420-800mm.
Nikon Compatibility
Designed specifically for Nikon DSLR cameras.
Why Canon RF is better
Aperture
Canon lens has a wide f/1.8 aperture for better low-light performance.
Autofocus
Canon lens features STM motor for fast and silent autofocus.
Versatility
Canon lens is suitable for various photography styles.
Overall score
Specifications
| Spec | BENOISON Telephoto Lens for Nikon - F Lens 420- | Canon RF |
|---|---|---|
| Brand | BENOISON | Canon |
| Mount Type | Nikon F | RF |
| Focus Type | Manual | Auto |
| Compatibility | Nikon DSLRs | Canon EOS R |
| Image Quality | Good | Excellent |
Dimension comparison
Overview of the Products
In this comparison, we will explore the BENOISON Telephoto Lens for Nikon and the Canon RF 50mm F1.8 STM Lens. The BENOISON lens is priced at $67.99, making it about 68% cheaper than the Canon lens, which retails for $219.00. This significant price difference sets the stage for a detailed examination of their features and intended uses.
Target Audience and Use Cases
The BENOISON Telephoto Lens is designed for Nikon DSLR users who enjoy manual photography, particularly in wildlife or astrophotography. Its telephoto capabilities and manual focus allow for creative control in capturing distant subjects. On the other hand, the Canon RF 50mm F1.8 STM Lens targets photographers seeking versatility in everyday shooting, especially portraits. Its wide aperture of f/1.8 is ideal for achieving beautiful bokeh and low-light performance, making it suitable for various photography styles.
Optical Performance
In terms of optical performance, the BENOISON lens boasts a focal length range of 420-800mm, allowing for extreme close-ups of distant subjects. However, it features a non-adjustable aperture ranging from f/8.3 at 420mm to f/16 at 800mm, which may limit low-light capabilities. Conversely, the Canon RF 50mm lens, with its wide f/1.8 aperture, excels in low-light conditions, providing sharper images with pleasing background blur. This lens utilizes an aspheric element and Super Spectra Coating to enhance image quality and reduce flare.
Build Quality and Design
The build quality of the BENOISON lens is noted for its robust construction, designed to withstand the rigors of outdoor photography. However, it lacks electronic contacts and autofocus, which may deter some users unfamiliar with manual focusing. The Canon RF lens, being compact and lightweight, is designed for ease of use and transport, making it a practical choice for casual photography. The STM motor ensures smooth and near-silent autofocus, enhancing the shooting experience.
Ease of Use
When it comes to ease of use, the BENOISON lens requires the user to manually adjust focus, necessitating familiarity with manual settings. Photographers need to set their camera to manual mode (M) to avoid errors, which can be challenging for beginners. In contrast, the Canon RF lens offers a user-friendly experience with its STM motor, providing fast and quiet autofocus. This makes it more accessible for novice photographers who might find manual focusing daunting.
Price Comparison
The BENOISON Telephoto Lens is priced at $67.99, while the Canon RF 50mm lens costs $219.00. This makes the BENOISON lens approximately 68% cheaper than the Canon lens. For budget-conscious photographers or those just starting, the BENOISON lens presents a more affordable option. However, potential buyers should weigh the price against the features and performance each lens offers.
Compatibility and Versatility
The BENOISON lens is specifically designed for Nikon DSLR cameras, compatible with a wide range of models, including the D3500, D850, and D7500. Its unique design allows for direct attachment without the need for a T adapter ring. On the other hand, the Canon RF 50mm lens is tailored for Canon's EOS R-Series cameras. While the BENOISON lens is limited to Nikon users, the Canon RF lens is versatile enough for various shooting scenarios, making it a more adaptable choice for Canon users.
Which should you buy?
Choosing between the BENOISON Telephoto Lens and the Canon RF 50mm F1.8 STM Lens ultimately depends on your photography needs. If you are a Nikon user seeking a budget-friendly telephoto option for wildlife or astrophotography, the BENOISON lens offers significant savings and impressive zoom capabilities. However, if you prioritize ease of use, low-light performance, and versatility in various shooting environments, the Canon RF lens is worth the investment despite its higher price. Each lens serves different purposes, so your final decision should align with your specific photography goals.

