Lens comparison
Sigma 18-50mm F2.8 DC DN vs Sony E 16-55mm F2.8 G
Side by side on the Sony a6400: the view each gives, the weight with the camera and their sizes to one scale. No winner: the numbers that differ are the choice.
Side views to one scale from the makers' published sizes, mount on the left.
| Lens | Sigma 18-50mm F2.8 DC DN Contemporary | Sony E 16-55mm F2.8 G |
|---|---|---|
| Focal length | 18–50 mm | 16–55 mm |
| View on the a6400 | 27–75 mm equiv. | 24–83 mm equiv. |
| Maximum apertureSame | f/2.8 | f/2.8 |
| StabilisedSame | No | No |
| Made forSame | APS-C | APS-C |
| Weight | 290 g | 494 g |
| With the a6400 | 693 g | 897 g |
| Length × diameter | 76.5 × 61.6 mm | 100 × 73 mm |
| Filter | 55 mm | 67 mm |
| Closest focus | 12 cm | 33 cm |
| Magnification | 0.36x | 0.2x |
| Weather sealing | Not stated | Yes |
| FitSame | Fits and works | Fits and works |
Amazon links on this page are paid links: we earn from qualifying purchases at no cost to you. They never change which lenses fit or how a list is sorted. Disclosure
Questions
Which is lighter on the a6400?
Sigma 18-50mm F2.8 DC DN Contemporary: Sigma 18-50mm F2.8 DC DN 693 g against Sony E 16-55mm F2.8 G 897 g with the camera, battery and card.
Which one is sharper?
We do not test lenses, so we cannot say; read reviews from people who have used both. The table compares what the makers publish.
Facts checked 9 Oct 2026 against the makers' specification pages. How we check