Sony FE 12-24mm F2.8 GM vs Sony FE 20mm F1.8 G
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Sony FE 20mm F1.8 G is faster by 1.3 stops (f/1.8 vs f/2.8), letting in more light.
- Sony FE 20mm F1.8 G is lighter by 474g.
- Sony FE 12-24mm F2.8 GM goes wider (12mm vs 20mm).
- Sony FE 12-24mm F2.8 GM reaches further (24mm vs 20mm).
| Spec | FE 12-24mm F2.8 GM | FE 20mm F1.8 G |
|---|---|---|
| Brand | Sony | Sony |
| Mount | Sony E | Sony E |
| Type | Wide Zoom | Prime |
| Focal length | 12-24mm (wider) | 20mm |
| Max aperture | f/2.8 | f/1.8 (faster) |
| Released | 2020 | 2020 |
| Format | full-frame | full-frame |
| Weight g | 847.0 | 373.0 (lighter) |
| Length mm | 137.0 | 84.7 |
| Diameter mm | 97.6 | 73.5 |
| Min focus m | 0.28 | 0.18 (closer focusing) |
| Max magnification | 0.14 | 0.22 |
| Filter mm | n/a | 67 |
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
Sony FE 20mm F1.8 G
A compact wide-angle prime for full-frame E-mount with an f/1.8 aperture and an aperture ring. It weighs about 373 g and suits landscapes, astro and interiors.
Pros
- f/1.8 in a compact body
- Aperture ring
- Close focus to 0.18 m
Cons
- Visible vignetting wide open
- Wide angle exaggerates perspective