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lightdow EF/EF-S 420- vs YONGNUO YN50mm F1.8N Standard Prime Lens, Large

Updated July 2026 — lightdow EF/EF-S 420- wins on focal length and aperture, YONGNUO YN50mm F1.8N Standard Prime Lens, Large wins on price.

The EF/EF-S 420-800mm lens is a budget-friendly option for telephoto photography, while the YONGNUO YN50mm offers versatility and low-light performance.

Why lightdow EF/EF-S 420- is better

Price

EF/EF-S lens is significantly cheaper at $65.69.

Telephoto Range

Offers a focal length of 420-800mm.

Manual Focus

Provides a pure manual focus experience.

Why YONGNUO YN50mm F1.8N Standard Prime Lens, Large is better

Aperture

Larger aperture of F1.8 for better low-light performance.

Auto Focus

Supports both auto and manual focus modes.

Build Quality

Features gold-plated metal contacts for improved conductivity.

Overall score

lightdow EF/EF-S 420-
70
YONGNUO YN50mm F1.8N Standard Prime Lens, Large
85

Specifications

Speclightdow EF/EF-S 420-YONGNUO YN50mm F1.8N Standard Prime Lens, Large
Focus TypeManualAuto/Manual
Camera TypeCanonNikon
Max ApertureF8.3F1.8
Zoom TypeTelephotoPrime
Build QualityStandardPremium

Dimension comparison

lightdow EF/EF-S 420-YONGNUO YN50mm F1.8N Standard Prime Lens, Large

Overview of the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens

The EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens is designed for Canon DSLR cameras and offers a vast focal length range, making it suitable for various photographic needs. Priced at $65.69, it is significantly more affordable compared to the other lens in this comparison, the YONGNUO YN50mm F1.8N, which costs $102.00. This lens focuses solely on manual operation, allowing for precise control over focus and exposure, which is ideal for photographers looking to enhance their skills.

Overview of the YONGNUO YN50mm F1.8N Standard Prime Lens

The YONGNUO YN50mm F1.8N is a versatile standard prime lens for Nikon DSLR cameras, priced at $102.00. It supports both auto focus and manual focus modes, offering flexibility for different shooting conditions. This lens is well-suited for various photography styles, from portraiture to everyday snapshots, thanks to its large aperture of F1.8, which allows for excellent low-light performance and depth of field control.

Build Quality and Design

The EF/EF-S 420-800mm lens is constructed with a focus on durability and stability, featuring a manual focus design that requires photographers to engage more thoughtfully with their craft. This lens lacks electronic contacts, emphasizing a purely manual operation which can lead to a richer learning experience. In contrast, the YONGNUO YN50mm F1.8N boasts gold-plated metal contacts, enhancing signal conductivity and corrosion resistance. This feature is a testament to its build quality and reliability, particularly for photographers who frequently switch lenses.

Focusing Features

The EF/EF-S 420-800mm lens relies entirely on manual focus, which allows for precise control but may be challenging for beginners. Its large focus ring design is tailored for those who appreciate the art of manual adjustments, making it a great tool for honing photographic skills. On the other hand, the YONGNUO YN50mm lens offers the convenience of both auto focus and manual focus modes. This dual functionality allows photographers to quickly adapt to various shooting scenarios, making it a more versatile choice for those who prefer ease of use.

Compatibility

The EF/EF-S 420-800mm lens is compatible with a wide range of Canon cameras, including models like the EOS Rebel series and the 5D Mark IV. This extensive compatibility ensures that many Canon users can take advantage of its capabilities. Conversely, the YONGNUO YN50mm lens is designed for Nikon DSLR cameras and supports both full-frame and APS-C formats. This makes it an excellent addition to Nikon's kit lenses, particularly for users looking to enhance their photography without investing in multiple lenses.

Image Quality and Performance

The EF/EF-S 420-800mm lens excels in capturing distant subjects, making it ideal for wildlife and landscape photography. Its telephoto zoom range allows photographers to bring remote objects closer, enhancing detail in images. However, the manual focus nature of the lens may require practice to achieve optimal results. The YONGNUO YN50mm lens, with its large F1.8 aperture, is designed to deliver sharp images even in low-light situations, making it a strong performer for portraits and everyday photography. This lens allows for more creative control over depth of field, which is essential for isolating subjects.

Price Comparison

The EF/EF-S 420-800mm lens is priced at $65.69, making it about 36% cheaper than the YONGNUO YN50mm lens, which retails for $102.00. This substantial price difference could be a deciding factor for photographers on a budget or those just starting their journey in photography. While the lower price of the EF/EF-S lens comes with the caveat of manual focus, it offers an opportunity to develop skills without a hefty investment.

Which should you buy?

Choosing between the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens and the YONGNUO YN50mm F1.8N largely depends on your photographic needs and preferences. If you're looking for a budget-friendly option that allows for extensive telephoto capabilities, the EF/EF-S lens is an excellent choice, particularly for wildlife and landscape photography. However, if you prefer the versatility of auto focus and a lens that performs well in low-light situations, the YONGNUO YN50mm lens is worth the higher price for its ease of use and adaptability. Ultimately, both lenses offer unique advantages tailored to different styles and requirements in photography.