Radojuva tested the newly announced YONGNUO 50mm f/1.8 E-mount lens. You can download full size image samples here. The conclusion is:
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YN 50 / 1.8S – a good fifty dollars for mirrorless Sony E APS-C. Excellent price / quality ratio (excellent). The YN 50 / 1.8S has virtually no competitors.
10 main advantages:
- low cost (about $ 100)
- very light weight
- compact sizes
- metal bayonet mount included
- stepping focus motor fast enough
- internal focusing, fixed focus ring during auto focus
- electronic focus ring, convenient enough manual focus
- USB port for firmware upgrade
- one low dispersion element in the optical circuit (for example, Sony 50 / 1.8 OSS no special elements)
- good optical performance. Moderate level of basic optical distortion (vignetting, distortion, drop of sharpness to the edges and corners of the image, etc.)
10 main disadvantages:
- the hood is extremely inconveniently set to transport mode (maybe it can’t be installed like this at all)
- the aperture blades are poorly rounded; on heavily covered apertures the aperture has the shape of a heptagon
- tiny lateral play of the focus ring, the focus ring is plastic, not rubberized, can catch dust over time and rotate not so smoothly
- no built-in image stabilizer (similar Sony 50 / 1.8 OSS he is)
- there are no additional tags (depth of field, focusing distance, etc.)
- the minimum focusing distance is greater than that of a similar one Sony 50 / 1.8 OSS (important for subject and pseudo macro photography)
- software options for working with the lens via the USB port are very limited
- lack of lens data in modern cameras and RAW converters, which prevents some types of optical distortion from being automatically corrected
- it is not known where and how this lens should undergo warranty service. This is not Yongnuo, but Ynlens. Perhaps the company has problems with patent obligations
- some characteristic optical imperfections, such as perceptible chromatic aberration
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UPDATE: I removed the previous error saying this was an A-mount lens on an A-mount camera. Completely forgot the A3500 was an “old” E-mount camera :)