Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs JINTU 420-
Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on aperture and focus, JINTU 420- wins on price and weight.
The Canon RF50mm F1.8 STM lens excels in optical quality and low-light performance, while the JINTU 420-800mm lens offers a budget-friendly option for distant subjects.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Optical Quality
Superior low-light performance with f/1.8 aperture
Build Quality
Compact design with smooth autofocus
Versatility
Ideal for various photography styles including portraits
Why JINTU 420- is better
Price
Significantly cheaper at $78.20
Zoom Range
Offers a wide zoom range of 420-800mm
Compatibility
Compatible with a broader range of Canon EOS Rebel models
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | JINTU 420- |
|---|---|---|
| Focal Length | 50mm | 420-800mm |
| Max Aperture | f/1.8 | f/8.3 |
| Autofocus | Yes | No |
| Weight | 0.5 lbs | 1.8 lbs |
| Compatibility | EOS R | EOS Rebel |
Dimension comparison
Overview of the Canon RF50mm F1.8 STM Lens
The Canon RF50mm F1.8 STM lens is a versatile prime lens ideal for photographers who use EOS R series mirrorless cameras. Priced at $219.00, it offers excellent optical performance along with a compact design. This lens is optimized for low-light shooting and creative background blur due to its large f/1.8 aperture. The RF50mm F1.8 is particularly suitable for a range of photography styles, including portraits and landscapes, making it a solid addition to any photographer's kit.
Overview of the JINTU 420-800mm f/8.3 Telephoto Zoom Lens
In contrast, the JINTU 420-800mm f/8.3 Telephoto Zoom Lens is designed for those looking to capture distant subjects. Available for just $78.20, this manual lens offers an impressive zoom range, making it perfect for wildlife and sports photography. Its solid metal construction and lightweight design enhance portability, but it requires manual focus, which may not suit everyone's shooting style. This lens is compatible with a wide array of Canon EOS Rebel models, making it a flexible option for many users.
Price Comparison
When it comes to pricing, the Canon RF50mm F1.8 is significantly more expensive at $219.00. In comparison, the JINTU lens is about 64% cheaper, priced at $78.20. This price difference can be a crucial factor for budget-conscious photographers or those just starting out. While the JINTU lens offers a lower entry point, the Canon lens justifies its higher price with enhanced features and optical quality, appealing to serious photographers looking for reliability and performance.
Optical Quality and Performance
The optical performance of the Canon RF50mm F1.8 is notably superior, featuring a large f/1.8 aperture that excels in low-light conditions. This lens utilizes optimized placements and coatings to minimize ghosting and flare, delivering outstanding color balance. The JINTU lens, while providing ultra-high-definition image quality from Japan, has a smaller maximum aperture of f/8.3, which limits its low-light capabilities. This difference in aperture size is crucial for photographers who often shoot in challenging lighting conditions, making the Canon lens a better option for those situations.
Build Quality and Design
The Canon RF50mm F1.8 is designed to be compact and lightweight, making it easy to carry around for daily use. Its design emphasizes usability, featuring a control ring for direct setting changes and a stepping motor for smooth autofocus during both photo and video applications. The JINTU lens, while also lightweight at 700g, is built with a solid metal body, offering durability. However, its manual focus design may not appeal to all users, especially those who prefer the convenience of autofocus.
Compatibility
The Canon RF50mm F1.8 is specifically designed for EOS R series cameras, ensuring optimal compatibility and performance. It works seamlessly with models such as the EOS R, R5, and R6. On the other hand, the JINTU lens is compatible with a wider range of Canon EOS Rebel models, including SL1 through T7i and even full-frame options like the 5D series. This broad compatibility makes the JINTU lens a versatile choice for users with various camera systems, though its lack of autofocus may pose a challenge for some.
Use Cases
The Canon RF50mm F1.8 is perfect for capturing everything from portraits to landscapes, thanks to its fixed focal length that encourages creative composition. Its ability to produce beautiful bokeh and perform well in low-light conditions makes it a favored choice among portrait photographers. The JINTU 420-800mm lens, in contrast, is tailored for specialized photography needs such as wildlife and sports, where distance is a factor. This lens allows photographers to capture subjects from afar but requires careful handling due to its manual focus nature.
Which should you buy?
Choosing between the Canon RF50mm F1.8 STM lens and the JINTU 420-800mm f/8.3 Telephoto Zoom lens depends largely on your photography needs and budget. If you're looking for a reliable, high-quality lens for everyday photography and low-light situations, the Canon lens is the clear winner despite its higher price. However, if you need a budget-friendly option for long-distance shots and are comfortable with manual focus, the JINTU lens presents a compelling choice. Ultimately, your decision should align with your specific photographic requirements and shooting style.

