The Sigma 50mm F1.4 DG DN (949 euros) is a classical full fledged 50mm F1.4. At this price tag some compromise have been made. On the positive side it has excellent consistency across the frame, very good bokeh and color rendering, excellent ergonomics , excellent sharpness as of F2.
| 14 elements in 11 groups |
| One SLD (Super-Low Dispersion), one double-sided aspherical and one aspherical element |
| 11-blade, rounded aperture |
| Single HLA (High-response Linear Actuator) AF motor |
| Internal Focusing (no extending barrel) |
| 72mm filter thread |
| Minimum focus distance: 45 cm (17.7 in) |
| Weight: 670 grams (23.6 oz.) |
