Lens Comparison
Tamron 17-50mm f/4 Di III VXD vs Tamron 28-75mm F/2.8 Di III VXD G2
Key Differences
- Tamron 28-75mm F/2.8 Di III VXD G2 has a better maximum aperture (f/2.8 vs f/4).
- Tamron 17-50mm f/4 Di III VXD has a better length (86.2mm vs 117.6mm).
- Tamron 17-50mm f/4 Di III VXD has a better weight (460g (1.01 lb) vs 540g (1.19 lb)).
- Tamron 28-75mm F/2.8 Di III VXD G2 has a better max magnification (0.34x vs 0.24x).
- Tamron 28-75mm F/2.8 Di III VXD G2 has a better min focus distance (18 cm vs 19 cm).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 17-50mm | 28-75mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 15 | 17 |
| Optical Groups | 11 | 14 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/2.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 9 | 9 |
| 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 | Yes |
| Focus Motor | VXD | VXD |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 19 cm | 18 cm |
| Max Magnification | 0.24x | 0.34x |
| 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 | 67mm |
| Diameter | 75mm | 75.8mm |
| Length | 86.2mm | 117.6mm |
| Weight | 460g (1.01 lb) | 540g (1.19 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
