Lens Comparison
Tamron 70-180mm F/2.8 Di III VC VXD G2 vs Voigtlander SEPTON 40mm f/2 Aspherical
Key Differences
- Voigtlander SEPTON 40mm f/2 Aspherical has a better weight (190g (6.7 oz) vs 855g (1.88 lb)).
- Voigtlander SEPTON 40mm f/2 Aspherical has a better length (56.3mm vs 165.6mm).
- Voigtlander SEPTON 40mm f/2 Aspherical has a better maximum aperture (f/2 vs f/2.8).
- Voigtlander SEPTON 40mm f/2 Aspherical has a better min focus distance (40 cm vs 52 cm).
- Voigtlander SEPTON 40mm f/2 Aspherical has a better aperture blades (10 vs 9).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 70-180mm | 40mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 22 | 9 |
| Optical Groups | 18 | 7 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/2 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 9 | 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 | VXD | − |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 52 cm | 40 cm |
| Max Magnification | 0.25x | 0.15x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $999 | $999 |
| Filter Size | 67mm | 49mm |
| Diameter | 80mm | 61.5mm |
| Length | 165.6mm | 56.3mm |
| Weight | 855g (1.88 lb) | 190g (6.7 oz) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
