Sony FE 12-24mm F2.8 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
- Sigma 18-50mm F2.8 DC DN | Contemporary 021 is lighter by 557g.
- Sony FE 12-24mm F2.8 GM goes wider (12mm vs 18mm).
- Sigma 18-50mm F2.8 DC DN | Contemporary 021 reaches further (50mm vs 24mm).
| Spec | FE 12-24mm F2.8 GM | 18-50mm F2.8 DC DN | Contemporary 021 |
|---|---|---|
| Brand | Sony | Sigma |
| Mount | Sony E | Sony E |
| Type | Wide Zoom | Zoom |
| Focal length | 12-24mm (wider) | 18-50mm |
| Max aperture | f/2.8 | f/2.8 |
| Released | 2020 | n/a |
| Format | full-frame | aps-c |
| Weight g | 847.0 | 290 (lighter) |
| Length mm | 137.0 | 76.5 |
| Diameter mm | 97.6 | 61.6 |
| Min focus m | 0.28 | 0.121 (closer focusing) |
| Max magnification | 0.14 | 0.36 |
| Blades | n/a | 7 |
| Groups | n/a | 10 |
| Af motor | n/a | Stepping motor |
| Elements | n/a | 13 |
| Filter mm | n/a | 55 |
Sony FE 12-24mm F2.8 GM
An f/2.8 ultra-wide zoom for full-frame E-mount covering 12-24mm. The bulbous front element prevents screw-in filters, so filters are handled at the rear or with a holder.
Pros
- Constant f/2.8 at 12mm
- Linear motors for fast focus
- Strong for night-sky work
Cons
- Weighs about 847 g, heavy for a wide zoom
- No front 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