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Sigma vs YONGNUO YN50mm F1.8N Standard Prime Lens, Large

Updated July 2026 — Sigma wins on price and build, YONGNUO YN50mm F1.8N Standard Prime Lens, Large wins on focal length and aperture.

The Sigma 30mm F1.4 offers superior image quality and low-light performance, while the YONGNUO 50mm F1.8 is a budget-friendly option for Nikon users.

Why Sigma is better

Image Quality

Sigma provides exceptional image quality with a large aperture.

Low-Light Performance

Sigma excels in low-light conditions due to its F1.4 aperture.

Build Quality

Sigma's handcrafted design ensures high durability and performance.

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

Price

YONGNUO is significantly cheaper, making it accessible for beginners.

Compatibility

YONGNUO supports both full-frame and APS-C Nikon cameras.

Versatility

YONGNUO offers a versatile focal length for various photography styles.

Overall score

Sigma
85
YONGNUO YN50mm F1.8N Standard Prime Lens, Large
70

Specifications

SpecSigmaYONGNUO YN50mm F1.8N Standard Prime Lens, Large
Mount TypeSony ENikon F
Aperture Blades96
Auto FocusYesYes
Manual FocusYesYes
Image StabilizationNoNo

Dimension comparison

SigmaYONGNUO YN50mm F1.8N Standard Prime Lens, Large

Overview of the Sigma 30mm F1.4 Contemporary DC DN Lens for Sony E

The Sigma 30mm F1.4 Contemporary DC DN Lens is a high-performance prime lens designed for Sony E-mount mirrorless cameras. With a price of $419.00, it stands out for its large aperture of F1.4, allowing for exceptional low-light performance and depth of field control. The lens is compact and lightweight, making it ideal for photographers on the go. Sigma's commitment to quality is evident in the handcrafted design of each lens, ensuring meticulous attention to detail and performance.

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

The YONGNUO YN50mm F1.8N is a budget-friendly prime lens priced at $102.00. This lens is compatible with Nikon DSLR cameras and supports both auto and manual focus modes. With its 50mm focal length, it serves as a versatile addition to a photographer's toolkit, particularly for those looking to enhance their imaging capabilities beyond the standard kit lens. The lens features gold-plated metal contacts that improve signal conductivity and corrosion resistance, contributing to its reliability.

Price Comparison

There is a significant price difference between the Sigma and YONGNUO lenses, with the Sigma priced at $419.00, while the YONGNUO is available for just $102.00. This makes the Sigma about 312% more expensive than the YONGNUO. While the Sigma offers premium features and performance, the YONGNUO lens provides an excellent entry point for photographers on a budget or those looking for a practical lens for everyday use.

Build Quality and Design

The Sigma 30mm lens is designed with compactness and durability in mind. It features nine rounded aperture blades, which contribute to smoother bokeh and overall image quality. The YONGNUO lens, while less expensive, still offers a decent build quality with its gold-plated metal contacts that enhance conductivity. However, the Sigma's handcrafted approach, with each lens inspected individually before shipping, sets a higher standard in terms of overall craftsmanship.

Performance in Photography

In terms of performance, the Sigma 30mm F1.4 is tailored for high-quality imaging, with a large aperture ideal for low-light situations and creating depth of field. Its stepping motor provides fast and accurate autofocus, making it suitable for both photography and video work. The YONGNUO YN50mm, while a capable lens, may not match the Sigma's level of optical performance but still offers a versatile focal length and reliable autofocus for general photography needs.

Compatibility

The Sigma 30mm is specifically designed for Sony E-mount cameras, making it a perfect match for users of this system. It is compatible with various Sony APS-C mirrorless cameras. On the other hand, the YONGNUO YN50mm is designed for Nikon DSLR cameras, supporting both full-frame and APS-C formats. This difference in compatibility means that potential buyers should consider their current camera system when choosing between these two lenses.

User Experience

Photographers using the Sigma 30mm F1.4 report a high level of satisfaction with its performance, particularly its superior image quality and low-light capabilities. The compact design makes it easy to carry, enhancing the user experience for on-the-go shooting. The YONGNUO lens, while more affordable, is often noted for being an excellent addition to existing Nikon kits, especially for those looking to experiment with prime lenses without a significant investment.

Which should you buy?

Choosing between the Sigma 30mm F1.4 Contemporary DC DN Lens and the YONGNUO YN50mm F1.8N ultimately depends on your needs and budget. If you are a serious photographer looking for exceptional image quality and low-light performance, the Sigma's advanced features justify its higher price. However, if you seek a cost-effective solution to expand your photographic capabilities without breaking the bank, the YONGNUO lens offers great value and versatility.