Sigma 20mm F2 DGvsSony E PZ 10-20mm F4 G
20mm F2 DG
20mm / F2
—
E PZ 10-20mm F4 G
10-20mm / F4
15-30mm equiv.
—
Which to choose
When the 20mm F2 DG suits you better
- Brightness2.0 stops brighter — better in low light and blurs the background more
When the E PZ 10-20mm F4 G suits you better
- Weight192g lighter, so easier to carry
- Zoom rangeCovers 10-20mm in a single lens
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- 20mm F2 DG74.4mm long × 70mm diameter
- E PZ 10-20mm F4 G55mm long × 69.8mm diameter
Specifications compared
| Specification | Sigma 20mm F2 DG | Sony E PZ 10-20mm F4 G | Difference |
|---|---|---|---|
| Focal length (wide) | 20mm | 10mm | +10mm |
| Focal length (tele) | 20mm | 20mm | — |
| Max aperture (wide) | F2 | F4 | 2.0 stops brighter |
| Max aperture (tele) | F2 | F4 | 2.0 stops brighter |
| Min aperture | — | F22 | No data |
| Min focus distance | — | 13cm | No data |
| Max magnification | — | 0.14× | No data |
| Aperture blades | — | 7blades | No data |
| Weight | 370g | 178g | +192g |
| Length | 74.4mm | 55mm | +19.4mm |
| Diameter | 70mm | 69.8mm | +0.2mm |
| Filter size | 62mm | 62mm | — |
| Released | 2025 | 2022 | +3year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 20mm F2 DG relative to E PZ 10-20mm F4 G.The highlighted cell is the better side for that specification.
Check prices
20mm F2 DG
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E PZ 10-20mm F4 G
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20mm F2 DG in detailE PZ 10-20mm F4 G in detailAll E-mount lenses