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 DN64.3mm long × 72.2mm diameter
- 12mm F1.4 DC69.7mm long × 68mm 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 | 250g | 235g | +15g |
| Length | 64.3mm | 69.7mm | −5.4mm |
| Diameter | 72.2mm | 68mm | +4.2mm |
| Filter size | 67mm | 62mm | +5mm |
| Released | 2023 | 2025 | −2year |
| 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
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
12mm F1.4 DC
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
10-18mm F2.8 DC DN in detail12mm F1.4 DC in detailAll X Mount lenses