Lens Comparison
Sigma 50mm F1.4 DG DN Art vs Voigtlander SEPTON 40mm f/2 Aspherical
Key Differences
- Voigtlander SEPTON 40mm f/2 Aspherical has a better weight (190g (6.7 oz) vs 665g (1.47 lb)).
- Voigtlander SEPTON 40mm f/2 Aspherical has a better length (56.3mm vs 111.3mm).
- Sigma 50mm F1.4 DG DN Art has a better maximum aperture (f/1.4 vs f/2).
- Sigma 50mm F1.4 DG DN Art has a better aperture blades (11 vs 10).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 50mm | 40mm |
| Lens Type | Prime | Prime |
| Optical Elements | 17 | 9 |
| Optical Groups | 13 | 7 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/2 |
| Minimum Aperture | f/16 | f/16 |
| Aperture Blades | 11 | 10 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | − | − |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | No |
| Focus Motor | HLA | − |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 40 cm | 40 cm |
| Max Magnification | 0.15x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | No |
| Declickable Aperture | Yes | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $999 | $999 |
| Filter Size | 72mm | 49mm |
| Diameter | 80.2mm | 61.5mm |
| Length | 111.3mm | 56.3mm |
| Weight | 665g (1.47 lb) | 190g (6.7 oz) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
