Sony FE 50mm f/1.2 GM vs Samyang AF 50mm f/1.4 II
Samyang AF 50mm f/1.4 II has more in its favour on paper. The FE 50mm f/1.2 GM gathers more light for low light and background blur; the AF 50mm f/1.4 II is lighter and cheaper. The Sony lens is the mount maker's own, while the Samyang is a third-party alternative.
Choose the FE 50mm f/1.2 GM for
- a brighter maximum aperture (f/1.2, about 0.4 stops more light)
Choose the AF 50mm f/1.4 II for
- less weight (420g vs 778g)
- a lower price (about £260 vs £1,040)
| FE 50mm f/1.2 GM | AF 50mm f/1.4 II | |
|---|---|---|
| Brand | Sony | Samyang |
| Focal length | 50mm | 50mm |
| Maximum aperture | f/1.2 | f/1.4 |
| Weight | 778 g | 420 g |
| Stabilisation | No | No |
| Weather sealing | Yes | Yes |
| Filter size | 72mm | 67mm |
| Made for | Full frame | Full frame |
| New price | £1,999 | £499 |
| Used at MPB (Sony E / FE) | £929–£1,159 | £164–£354 |
More lens comparisons
See all Sony E / FE cameras and lenses.
Frequently asked questions
Is the Sony FE 50mm f/1.2 GM better than the Samyang AF 50mm f/1.4 II?
The FE 50mm f/1.2 GM offers a brighter maximum aperture (f/1.2, about 0.4 stops more light); the AF 50mm f/1.4 II offers less weight (420g vs 778g), a lower price (about £260 vs £1,040).
Which is better value, the FE 50mm f/1.2 GM or the AF 50mm f/1.4 II?
On Sony E / FE, the Samyang AF 50mm f/1.4 II costs about £260 against about £1,040 for the Sony FE 50mm f/1.2 GM (MPB used where listed, otherwise new; checked 5 November 2026).
Is f/1.2 worth it over f/1.4?
f/1.2 gathers about 0.4 stops more light, which helps indoors, at night and for background blur. If you mostly shoot in good light, the slower lens is usually lighter and cheaper.
Do both lenses fit the same cameras?
Both are available for Sony E / FE.