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Rokinon vs YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Updated July 2026 — Rokinon wins on angle of view and weight, YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus wins on focus distance.

The Rokinon lens excels in image quality and build, while the YONGNUO lens offers affordability and versatility.

Why Rokinon is better

Image Quality

Superior sharpness and clarity with advanced optical design.

Build Quality

Robust construction suitable for professional use.

Focal Length

Ultra-wide 14mm ideal for landscapes and astrophotography.

Why YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus is better

Price

Significantly cheaper at $82.00.

Aperture

Larger f/1.8 aperture for better low-light performance.

Autofocus

Supports both auto and manual focus modes.

Overall score

Rokinon
85
YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
70

Specifications

SpecRokinonYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
Max Aperturef/2.8f/1.8
Focal Length14mm50mm
Lens Elements14 elements5 groups
ConstructionDurableLightweight
Focus TypeManualAuto/Manual

Dimension comparison

RokinonYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Overview of the Rokinon 14mm f/2.8 and YONGNUO YN50mm f/1.8 Lenses

When comparing the Rokinon 14mm f/2.8 IF ED Super Lens and the YONGNUO YN50mm f/1.8 Lens, it's clear that these two lenses cater to different photographic needs. The Rokinon lens is designed for ultra-wide-angle shots, making it ideal for landscapes and astrophotography, while the YONGNUO lens provides a standard focal length with a large aperture, perfect for portraits and low-light situations. This distinction is essential for photographers looking to choose the right lens for their specific shooting style.

Price Comparison

The Rokinon 14mm lens is priced at $231.25, while the YONGNUO 50mm lens is significantly cheaper at $82.00, making it about 64% less expensive. This price difference is crucial for budget-conscious photographers who want to maximize their gear without compromising on quality. The YONGNUO lens offers a compelling choice for those entering photography or needing a versatile lens without a hefty investment.

Image Quality

The Rokinon lens is crafted with 14 elements in 10 groups, designed to deliver superior image quality with exceptional sharpness and clarity across the frame. This lens excels in minimizing distortion and chromatic aberrations, thanks to its advanced optical design, which includes ED elements and aspherical lens elements. On the other hand, the YONGNUO lens, while offering a decent image quality with a large f/1.8 aperture, does not emphasize the same level of optical sophistication. Therefore, for photographers prioritizing high-quality landscapes or astrophotography, the Rokinon 14mm lens is the better option.

Aperture and Low-Light Performance

A significant difference between these two lenses lies in their maximum apertures. The Rokinon 14mm lens features a fast f/2.8 aperture, which, while beneficial for low-light conditions, does not match the YONGNUO's f/1.8 aperture. This larger aperture in the YONGNUO lens allows for better low-light performance and the ability to create a shallower depth of field, making it suitable for portrait photography where background blur is desired. Thus, if low-light shooting or achieving a blurred background is a priority, the YONGNUO lens stands out.

Focal Length and Versatility

The Rokinon 14mm lens offers an ultra-wide perspective with a 115.7° angle of view, making it perfect for capturing expansive scenes. This characteristic is particularly advantageous for real estate photography and landscape shots. Conversely, the YONGNUO lens, with its 50mm focal length, provides a more standard view, making it versatile for various types of photography, including portraits and street photography. Photographers should consider their primary use case when selecting between these two lenses, as the focal length significantly influences compositional possibilities.

Build Quality and Durability

The Rokinon lens is robustly constructed, weighing 31.7oz (900g) and featuring a durable design that ensures reliability for professional use in various conditions. It also includes a built-in petal-type lens hood, which enhances its practicality. In contrast, the YONGNUO lens is lighter and more compact but may not offer the same level of durability as the Rokinon. For photographers working in demanding environments, the Rokinon lens's sturdiness may be a deciding factor.

Autofocus Capabilities

The YONGNUO lens supports both auto focus and manual focus modes, providing flexibility for different shooting scenarios. It is equipped with a focus distance indicator, which can be very useful for measuring shooting distance and depth of field. While the Rokinon lens emphasizes manual focus to achieve precise control, it lacks the autofocus feature, which may be essential for some photographers. Those who prioritize quick focusing and versatility may prefer the YONGNUO lens for its autofocus capabilities.

Conclusion of Features

In conclusion, the Rokinon 14mm f/2.8 lens excels in image quality and is specifically designed for wide-angle photography, making it ideal for landscapes and astrophotography. Its robust build and optical design cater to professional use. Conversely, the YONGNUO YN50mm f/1.8 lens offers a more budget-friendly option with excellent low-light performance and versatility for various photography styles. Each lens has its strengths, appealing to different types of photographers based on their specific needs and preferences.

Which should you buy?

Choosing between the Rokinon 14mm f/2.8 and the YONGNUO YN50mm f/1.8 ultimately depends on your photography style and budget. If you are a landscape or astrophotography enthusiast seeking superior image quality and durability, the Rokinon lens is worth the investment. However, if you are looking for an affordable, versatile lens that performs well in low light and is user-friendly with autofocus capabilities, the YONGNUO lens is an excellent choice. Consider your shooting preferences and budget to determine which lens aligns best with your photographic goals.