Sigma 10-18mm F2.8 DC DNvsSigma 12mm F1.4 DC
10-18mm F2.8 DC DN
10-18mm / F2.8
15-27mm equiv.
—
12mm F1.4 DC
12mm / F1.4
18mm equiv.
—
Which to choose
When the 10-18mm F2.8 DC DN suits you better
- Zoom rangeCovers 10-18mm in a single lens
When the 12mm F1.4 DC suits you better
- Brightness2.0 stops brighter — better in low light and blurs the background more
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
- 10-18mm F2.8 DC DN62mm long × 72.2mm diameter
- 12mm F1.4 DC67.4mm long × 69mm diameter
Specifications compared
| Specification | Sigma 10-18mm F2.8 DC DN | Sigma 12mm F1.4 DC | Difference |
|---|---|---|---|
| Focal length (wide) | 10mm | 12mm | −2mm |
| Focal length (tele) | 18mm | 12mm | +6mm |
| Max aperture (wide) | F2.8 | F1.4 | 2.0 stops darker |
| Max aperture (tele) | F2.8 | F1.4 | 2.0 stops darker |
| Weight | 270g | 250g | +20g |
| Length | 62mm | 67.4mm | −5.4mm |
| Diameter | 72.2mm | 69mm | +3.2mm |
| Filter size | 67mm | 62mm | +5mm |
| Released | 2024 | 2025 | −1year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 10-18mm F2.8 DC DN relative to 12mm F1.4 DC.The highlighted cell is the better side for that specification.
Check prices
10-18mm F2.8 DC DN
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12mm F1.4 DC
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10-18mm F2.8 DC DN in detail12mm F1.4 DC in detailAll RF mount lenses