Yongnuo YN50mm F1.8Z DF DSM review

The Yongnuo YN50mm F1.8Z DF DSM is more than just a ‘standard’ prime

Yongnuo YN50mm F1.8Z DF DSM
(Image: © Matthew Richards)

Digital Camera World Verdict

Standard prime lenses aren’t exactly ten a penny but there are plenty of inexpensive options, including the Canon RF 50mm f/1.8 STM, Sony FE 50mm f/1.8 and the slightly shorter Nikon Z 40mm f/2. This Yongnuo lens is a little pricier but has better build quality, more exotic handling and delivers excellent all-round performance and image quality. Bokeh could be a little smoother but, overall, it’s a great buy for both full-frame and APS-C format Nikon and Sony mirrorless cameras.


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    Dual function buttons

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    Weather-sealed mount

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    USB port for firmware updates


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    Bokeh could be smoother

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    Some lateral chromatic aberration

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Currently available in Nikon Z and Sony E mount options, the Yongnuo YN50mm F1.8Z DF DSM bridges the gap between cheap, plastic lenses and more exotic fare. Despite being fairly inexpensive, it has robust build quality and smart handling extras, and feels a high-quality item in the hand. Its classic 50mm focal length makes it perfect as a standard prime for full-frame cameras, for everything from everyday shooting to portraiture, and it’s even better suited to the latter when mounted on an APS-C format body, giving an effective focal length of 75mm.

Read more:
The best Nikon Z lenses
The best Sony lenses

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Matthew Richards

Matthew Richards is a photographer and journalist who has spent years using and reviewing all manner of photo gear. He is Digital Camera World's principal lens reviewer – and has tested more primes and zooms than most people have had hot dinners! 

His expertise with equipment doesn’t end there, though. He is also an encyclopedia  when it comes to all manner of cameras, camera holsters and bags, flashguns, tripods and heads, printers, papers and inks, and just about anything imaging-related. 

In an earlier life he was a broadcast engineer at the BBC, as well as a former editor of PC Guide.