Nikon NIKKOR Z vs YNLENS YONGNUO YN50mm
Updated July 2026 — Nikon NIKKOR Z wins on build and autofocus, YNLENS YONGNUO YN50mm wins on price and weight.
The Nikon NIKKOR Z 40mm f/2 offers superior optical performance and features, while the YONGNUO YN50mm 50mm f/1.8 provides excellent value for budget-conscious photographers.
Why Nikon NIKKOR Z is better
Optical Performance
Nikon lens has a better bokeh effect and depth of field.
Autofocus
Nikon lens features a faster and quieter autofocus system.
Build Quality
Nikon lens is known for its durability and compact design.
Why YNLENS YONGNUO YN50mm is better
Price
YONGNUO lens is significantly cheaper.
Weight
YONGNUO lens is lighter, enhancing portability.
Compatibility
YONGNUO lens works with a wider range of Nikon F-mount cameras.
Overall score
Specifications
| Spec | Nikon NIKKOR Z | YNLENS YONGNUO YN50mm |
|---|---|---|
| Aperture | f/2 | f/1.8 |
| Focal Length | 40mm | 50mm |
| Blade Count | 9 | 7 |
| Focus Type | AF | AF/MF |
| Camera Type | Z series | F-mount |
Dimension comparison
Overview of the Nikon NIKKOR Z 40mm f/2 and YONGNUO YN50mm 50mm f/1.8
The Nikon NIKKOR Z 40mm f/2 is a compact prime lens designed for Z series mirrorless cameras, while the YONGNUO YN50mm 50mm f/1.8 caters to Nikon F-mount cameras. Priced at $276.95, the Nikon lens features a large f/2 aperture, making it versatile for various photography styles. In contrast, the YONGNUO lens is considerably more affordable at $102.00, offering a wider f/1.8 aperture ideal for low-light conditions and portrait photography. This price difference of about 63% may attract budget-conscious photographers.
Design and Build Quality
The Nikon NIKKOR Z 40mm f/2 boasts a compact and lightweight design, perfect for on-the-go photography. Its build quality reflects Nikon's reputation for durability, making it a reliable choice for creative journeys. In comparison, the YONGNUO YN50mm 50mm f/1.8 is also lightweight, weighing approximately 203g, which enhances its portability for everyday photography needs. Both lenses have a user-friendly design, but the Nikon lens has a custom control ring that allows for precise manual focusing and adjustments to aperture, ISO, or exposure compensation, enhancing the shooting experience.
Optical Performance
When it comes to optical performance, the Nikon NIKKOR Z 40mm f/2 excels with a fast f/2 maximum aperture, creating beautiful background blur and shallow depth of field. This lens features a 9-blade diaphragm that enhances the bokeh effect, making it suitable for portraits and street photography. On the other hand, the YONGNUO YN50mm 50mm f/1.8 offers a wider f/1.8 aperture, allowing for even greater light capture and stunning low-light performance. Additionally, its 7-blade circular aperture contributes to a pleasing bokeh effect, making it an excellent option for artistic storytelling and wedding photography.
Autofocus Capabilities
The Nikon NIKKOR Z 40mm f/2 is equipped with a fast and quiet autofocus system, significantly reducing focus breathing during video recording. This feature is particularly beneficial for videographers looking to capture smooth transitions in their footage. In contrast, the YONGNUO YN50mm 50mm f/1.8 also provides reliable autofocus capabilities, but it includes a face/eye recognition function that aids in achieving accurate focus during portrait photography. This additional functionality can be a decisive factor for photographers who prioritize capturing sharp images of people.
Compatibility
The Nikon NIKKOR Z 40mm f/2 is specifically designed for FX and DX format Nikon Z series mirrorless cameras. It provides a field of view equivalent to 60mm on DX-format cameras, making it versatile for various photography styles. Conversely, the YONGNUO YN50mm 50mm f/1.8 is compatible with a wide range of Nikon F-mount cameras, including popular DSLRs like the D3000 and D5000 series. This broad compatibility makes the YONGNUO lens an appealing choice for photographers who own older Nikon models or those looking to expand their lens collection at a lower cost.
Use Cases
The Nikon NIKKOR Z 40mm f/2 is ideal for street photography, landscapes, and interiors, offering great subject/background separation due to its shallow depth of field. It serves well for capturing candid shots and portraits due to its fast autofocus and beautiful bokeh. Conversely, the YONGNUO YN50mm 50mm f/1.8 lens is particularly suitable for portraiture and low-light environments, making it a favorite among wedding photographers and those interested in artistic storytelling. Its 50mm focal length closely resembles the human eye perspective, making it perfect for documentary-style photography.
Pricing and Value
In terms of pricing, the Nikon NIKKOR Z 40mm f/2 is listed at $276.95, while the YONGNUO YN50mm 50mm f/1.8 is priced at $102.00. This represents a significant price difference, with the YONGNUO lens being about 63% cheaper than the Nikon lens. For photographers on a budget or those seeking a more economical option without compromising essential features, the YONGNUO lens presents a compelling value. However, the Nikon lens offers advanced capabilities that may justify its higher price for serious enthusiasts and professionals.
Which should you buy?
Deciding between the Nikon NIKKOR Z 40mm f/2 and the YONGNUO YN50mm 50mm f/1.8 ultimately depends on your specific needs and budget. If you own a Nikon Z series mirrorless camera and desire a lens with superior optical performance, fast autofocus, and custom features, the Nikon lens would be the better choice despite its higher price. However, if you are looking for an affordable, versatile prime lens compatible with a wide range of Nikon F-mount cameras, the YONGNUO lens offers excellent value and impressive performance for its price. Thus, your decision should align with your photographic style and the type of camera system you employ.

