Lens Comparison
Tamron 11-20mm f/2.8 Di III-A RXD (Canon RF) vs Voigtlander NOKTON 40mm f/1.2 Aspherical (Canon RF)
Key Differences
- Tamron 11-20mm f/2.8 Di III-A RXD (Canon RF) has a better min focus distance (15 cm vs 40 cm).
- Voigtlander NOKTON 40mm f/1.2 Aspherical (Canon RF) has a better maximum aperture (f/1.2 vs f/2.8).
- Voigtlander NOKTON 40mm f/1.2 Aspherical (Canon RF) has a better length (59mm vs 86.2mm).
- Voigtlander NOKTON 40mm f/1.2 Aspherical (Canon RF) has a better aperture blades (12 vs 9).
- Voigtlander NOKTON 40mm f/1.2 Aspherical (Canon RF) has a better weight (287g (10.1 oz) vs 335g (11.8 oz)).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 11-20mm | 40mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 12 | 10 |
| Optical Groups | 10 | 8 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/1.2 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 9 | 12 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | − | − |
| 35mm Equivalent | 18-32mm | − |
| Focus | ||
| Autofocus | Yes | No |
| Focus Motor | RXD | − |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 15 cm | 40 cm |
| Max Magnification | 0.26x | 0.13x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $799 | $799 |
| Filter Size | 67mm | 49mm |
| Diameter | 74mm | 63.3mm |
| Length | 86.2mm | 59mm |
| Weight | 335g (11.8 oz) | 287g (10.1 oz) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
