Sigma 45mm F2.8 DG DN | Contemporary 019 vs Voigtlander APO-Lanthar 50mm F2 Aspherical
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Voigtlander APO-Lanthar 50mm F2 Aspherical is faster by 1 stop (f/2.0 vs f/2.8), letting in more light.
- Sigma 45mm F2.8 DG DN | Contemporary 019 is lighter by 134g.
- Sigma 45mm F2.8 DG DN | Contemporary 019 goes wider (45mm vs 50mm).
- Voigtlander APO-Lanthar 50mm F2 Aspherical reaches further (50mm vs 45mm).
| Spec | 45mm F2.8 DG DN | Contemporary 019 | APO-Lanthar 50mm F2 Aspherical |
|---|---|---|
| Brand | Sigma | Voigtlander |
| Mount | Sony E | Sony E |
| Type | Prime | Prime |
| Focal length | 45mm (wider) | 50mm |
| Max aperture | f/2.8 | f/2.0 (faster) |
| Blades | 7 | n/a |
| Format | full-frame | n/a |
| Groups | 7 | 8 |
| Af motor | Stepping motor | none |
| Elements | 8 | 10 |
| Weight g | 230 (lighter) | 364 |
| Filter mm | 55 | 49 |
| Length mm | 48.2 | 61.3 |
| Diameter mm | 64.0 | 62.6 |
| Min focus m | 0.24 (closer focusing) | 0.45 |
| Max magnification | 0.25 | 0.15 |
Sigma 45mm F2.8 DG DN | Contemporary 019
Compact standard prime for full-frame mirrorless with a metal build and aperture ring. It weighs about 230 g and is among the smaller full-frame E-mount lenses.
Pros
- Very small and light
- Metal construction
- Aperture ring
Cons
- Slow f/2.8 aperture
- Limited low-light ability
Voigtlander APO-Lanthar 50mm F2 Aspherical
A manual-focus 50mm f/2 apochromat for Sony E-mount designed for sharpness with minimal colour fringing. It weighs about 364 g and takes 49mm filters.
Pros
- Apochromatic correction
- Very sharp optics
- Electronic contacts for metadata
- Compact 364 g
Cons
- Manual focus only
- f/2 maximum aperture is not especially fast