Samyang AF 12mm F2vsSigma 12mm F1.4 DC
AF 12mm F2
12mm / F2
18mm equiv.
—
12mm F1.4 DC
12mm / F1.4
18mm equiv.
—
Which to choose
When the AF 12mm F2 suits you better
- Weight37g lighter, so easier to carry
When the 12mm F1.4 DC suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Weather sealingHas weather sealing
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
- AF 12mm F257.2mm long × 70mm diameter
- 12mm F1.4 DC67.4mm long × 69mm diameter
Specifications compared
| Specification | Samyang AF 12mm F2 | Sigma 12mm F1.4 DC | Difference |
|---|---|---|---|
| Focal length (wide) | 12mm | 12mm | — |
| Focal length (tele) | 12mm | 12mm | — |
| Max aperture (wide) | F2 | F1.4 | 1.0 stops darker |
| Max aperture (tele) | F2 | F1.4 | 1.0 stops darker |
| Min focus distance | 20cm | — | No data |
| Max magnification | 0.09× | — | No data |
| Weight | 213g | 250g | −37g |
| Length | 57.2mm | 67.4mm | −10.2mm |
| Diameter | 70mm | 69mm | +1mm |
| Filter size | 62mm | 62mm | — |
| Released | 2025 | 2025 | — |
| Stabilization | No | No | — |
| Weather sealing | No | Yes | No |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as AF 12mm F2 relative to 12mm F1.4 DC.The highlighted cell is the better side for that specification.
Check prices
AF 12mm F2
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12mm F1.4 DC
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AF 12mm F2 in detail12mm F1.4 DC in detailAll RF mount lenses