Sony E lens
Yongnuo YN50mm F1.8S DA DSM
50 mm, f/1.8, made for APS-C. It mounts natively on 8 of our APS-C cameras; on the a6400 it frames like 75 mm.
- 50 mm · 75 mm equiv. on a6400
- f/1.8
- 49 mm filter
- 146 g
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On your camera
The view, the weight with the camera (battery and card included) and what the maker says about each pair. Yongnuo makes this lens for each mount; Yongnuo publishes the cameras it supports and lens firmware updates on its own site.
| Camera | View (35 mm equiv.) | With the camera | Fit and maker's notes | Kit |
|---|---|---|---|---|
| Sony a6000 | 75 mm | 490 g | Fits and worksNative mount: it fits and works.
| |
| Sony a6100 | 75 mm | 542 g | Fits and worksNative mount: it fits and works.
| |
| Sony a6400 | 75 mm | 549 g | Fits and worksNative mount: it fits and works.
| |
| Sony a6600 | 75 mm | 649 g | Fits and works | |
| Sony a6700 | 75 mm | 639 g | Fits and works | |
| Sony ZV-E10 | 75 mm | 489 g | Fits and worksNative mount: it fits and works.
| |
| Sony ZV-E10 II | 75 mm | 523 g | Fits and worksNative mount: it fits and works.
| |
| Sony FX30 | 75 mm | 792 g | Fits and works |
What it frames
At its closest (45 cm from the sensor) it fills the frame of the a6400 with a subject about 17 cm wide.
On the a6400, to scale
Other portrait primes for Sony E
The nearest in focal length, with the numbers that differ.
- Sony E 50mm F1.8 OSS75 mm equiv. · f/1.8 · 202 g (+56 g) · 49 mmCompare
- Sony FE 50mm F1.2 GM75 mm equiv. · f/1.2 · 778 g (+632 g) · 72 mmCompare
- Sony FE 50mm F1.4 GM75 mm equiv. · f/1.4 · 516 g (+370 g) · 67 mmCompare
- Sony FE 50mm F1.875 mm equiv. · f/1.8 · 186 g (+40 g) · 49 mmCompare
- Sony FE 50mm F2.5 G75 mm equiv. · f/2.5 · 174 g (+28 g) · 49 mmCompare
- Sigma 50mm F2 DG DN Contemporary75 mm equiv. · f/2 · 345 g (+199 g) · 58 mmCompare
Questions about this lens
Which cameras does the Yongnuo YN50mm F1.8S DA DSM fit?
8 APS-C cameras in our catalogue: a6000, a6100, a6400, a6600, a6700, ZV-E10, ZV-E10 II, FX30.
What does it frame like on APS-C?
50 mm frames like 75 mm on the a6400 (1.5x).
What filter size does it take?
49 mm screw-in filters. Every lens with a 49 mm thread.
Where these facts come from
Facts checked 9 Oct 2026 against the makers' specification pages. How we check
Size, weight, filter thread, close focus and magnification are Yongnuo's published figures. We have not tested this lens; for image quality, read reviews from people who have.
Specifications
- Mount
- Sony E
- Made for
- APS-C sensors
- Focal length
- 50 mm
- Maximum aperture
- f/1.8
- Lens stabilisation
- No
- Weather sealing
- No
- Filter thread
- 49 mm
- Weight
- 146 g
- Size (diameter × length)
- 64 × 58 mm
- Closest focus
- 45 cm
- Maximum magnification
- 0.14x
- Autofocus
- Yes
- Announced
- 2020