Lens comparison · Sony E / FE · updated 5 November 2026
Sony FE 135mm f/1.8 GM vs Samyang AF 135mm f/1.8
Verdict
Samyang AF 135mm f/1.8 has more in its favour on paper. The Sony lens is the mount maker's own, while the Samyang is a third-party alternative.
Choose the FE 135mm f/1.8 GM for
- Similar specs
Choose the AF 135mm f/1.8 for
- less weight (772g vs 950g)
- a lower price (about £530 vs £840)
| FE 135mm f/1.8 GM | AF 135mm f/1.8 | |
|---|---|---|
| Brand | Sony | Samyang |
| Focal length | 135mm | 135mm |
| Maximum aperture | f/1.8 | f/1.8 |
| Weight | 950 g | 772 g |
| Stabilisation | No | No |
| Weather sealing | Yes | Yes |
| Filter size | 82mm | 82mm |
| Made for | Full frame | Full frame |
| New price | £1,899 | £899 |
| Used at MPB (Sony E / FE) | £819–£854 | £514–£554 |
More lens comparisons
FE 135mm f/1.8 GM vs 135mm f/1.4 DG ArtFE 135mm f/1.8 GM vs AF 135mm f/1.8 LAB135mm f/1.4 DG Art vs AF 135mm f/1.8AF 135mm f/1.8 vs AF 135mm f/1.8 LAB
See all Sony E / FE cameras and lenses.
Frequently asked questions
Is the Sony FE 135mm f/1.8 GM better than the Samyang AF 135mm f/1.8?
The FE 135mm f/1.8 GM offers similar specs; the AF 135mm f/1.8 offers less weight (772g vs 950g), a lower price (about £530 vs £840).
Which is better value, the FE 135mm f/1.8 GM or the AF 135mm f/1.8?
On Sony E / FE, the Samyang AF 135mm f/1.8 costs about £530 against about £840 for the Sony FE 135mm f/1.8 GM (MPB used where listed, otherwise new; checked 5 November 2026).
Do both lenses fit the same cameras?
Both are available for Sony E / FE.