Lens Comparison
Tamron 17-28mm F/2.8 Di III RXD vs Voigtlander APO-LANTHAR 28mm f/2 Aspherical
Key Differences
- Tamron 17-28mm F/2.8 Di III RXD has a better min focus distance (19 cm vs 32 cm).
- Voigtlander APO-LANTHAR 28mm f/2 Aspherical has a better weight (286g (10.1 oz) vs 420g (14.8 oz)).
- Voigtlander APO-LANTHAR 28mm f/2 Aspherical has a better length (70.3mm vs 99mm).
- Voigtlander APO-LANTHAR 28mm f/2 Aspherical has a better maximum aperture (f/2 vs f/2.8).
- Voigtlander APO-LANTHAR 28mm f/2 Aspherical has a better aperture blades (10 vs 9).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 17-28mm | 28mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 13 | 10 |
| Optical Groups | 12 | 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 | RXD | − |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 19 cm | 32 cm |
| Max Magnification | 0.19x | 0.17x |
| 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 | 52mm |
| Diameter | 73mm | 64.7mm |
| Length | 99mm | 70.3mm |
| Weight | 420g (14.8 oz) | 286g (10.1 oz) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
