Lens comparison · Sony E / FE · updated 5 November 2026
Sony FE 135mm f/1.8 GM vs Viltrox AF 135mm f/1.8 LAB
Verdict
Sony FE 135mm f/1.8 GM has more in its favour on paper. The Sony lens is the mount maker's own, while the Viltrox is a third-party alternative.
Choose the FE 135mm f/1.8 GM for
- less weight (950g vs 1215g)
- weather sealing
Choose the AF 135mm f/1.8 LAB for
- a lower price (about £799 vs £840)
| FE 135mm f/1.8 GM | AF 135mm f/1.8 LAB | |
|---|---|---|
| Brand | Sony | Viltrox |
| Focal length | 135mm | 135mm |
| Maximum aperture | f/1.8 | f/1.8 |
| Weight | 950 g | 1215 g |
| Stabilisation | No | No |
| Weather sealing | Yes | No |
| Filter size | 82mm | 82mm |
| Made for | Full frame | Full frame |
| New price | £1,899 | £799 |
| Used at MPB (Sony E / FE) | £819–£854 | None listed |
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/1.8135mm f/1.4 DG Art vs AF 135mm f/1.8 LABAF 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 Viltrox AF 135mm f/1.8 LAB?
The FE 135mm f/1.8 GM offers less weight (950g vs 1215g), weather sealing; the AF 135mm f/1.8 LAB offers a lower price (about £799 vs £840).
Which is better value, the FE 135mm f/1.8 GM or the AF 135mm f/1.8 LAB?
On Sony E / FE, the Viltrox AF 135mm f/1.8 LAB costs about £799 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 (and other mounts: Nikon Z).