Sony FE 50-150mm F2 GM vs Sigma 18-50mm F2.8 DC DN | Contemporary 021
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sony FE 50-150mm F2 GM is faster by 1 stop (f/2.0 vs f/2.8), letting in more light.
- Sigma 18-50mm F2.8 DC DN | Contemporary 021 is lighter by 1050g.
- Sigma 18-50mm F2.8 DC DN | Contemporary 021 goes wider (18mm vs 50mm).
- Sony FE 50-150mm F2 GM reaches further (150mm vs 50mm).
| Spec | FE 50-150mm F2 GM | 18-50mm F2.8 DC DN | Contemporary 021 |
|---|---|---|
| Brand | Sony | Sigma |
| Mount | Sony E | Sony E |
| Type | Zoom | Zoom |
| Focal length | 50-150mm | 18-50mm (wider) |
| Max aperture | f/2.0 (faster) | f/2.8 |
| Released | 2025 | n/a |
| Format | full-frame | aps-c |
| Weight g | 1340.0 | 290 (lighter) |
| Filter mm | 95 | 55 |
| Length mm | 200.0 | 76.5 |
| Diameter mm | 102.8 | 61.6 |
| Min focus m | 0.4 | 0.121 (closer focusing) |
| Max magnification | 0.2 | 0.36 |
| Blades | n/a | 7 |
| Groups | n/a | 10 |
| Af motor | n/a | Stepping motor |
| Elements | n/a | 13 |
Sony FE 50-150mm F2 GM
A telephoto zoom with a constant f/2 aperture for full-frame E-mount covering 50-150mm. It is aimed at portrait and event work.
Pros
- f/2 aperture across the range
- Strong subject separation
- Linear motors for fast autofocus
Cons
- Large and heavy at about 1,340 g
- Uses a 95mm filter thread
Sigma 18-50mm F2.8 DC DN | Contemporary 021
A compact f/2.8 standard zoom for APS-C E-mount cameras, weighing about 290 g. It takes 55mm filters and offers a close focus distance of 0.121 m.
Pros
- Constant f/2.8
- Very light at 290 g
- Close focus 0.121 m
- Stepping motor autofocus
Cons
- APS-C only
- No stabilization in the lens
- Less range than a kit zoom