Lens Comparison
Laowa 14mm f/4 FF RL Zero-D vs Tamron 17-28mm F/2.8 Di III RXD
Key Differences
- Laowa 14mm f/4 FF RL Zero-D has a better length (49mm vs 99mm).
- Laowa 14mm f/4 FF RL Zero-D has a better weight (228g (8.0 oz) vs 420g (14.8 oz)).
- Tamron 17-28mm F/2.8 Di III RXD has a better maximum aperture (f/2.8 vs f/4).
- Tamron 17-28mm F/2.8 Di III RXD has a better aperture blades (9 vs 7).
- Tamron 17-28mm F/2.8 Di III RXD has a better max magnification (0.19x vs 0.07x).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 14mm | 17-28mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 12 | 13 |
| Optical Groups | 8 | 12 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/2.8 |
| Minimum Aperture | f/16 | f/22 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | − | − |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | No | Yes |
| Focus Motor | − | RXD |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 20 cm | 19 cm |
| Max Magnification | 0.07x | 0.19x |
| 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 |
| Diameter | 68mm | 73mm |
| Length | 49mm | 99mm |
| Weight | 228g (8.0 oz) | 420g (14.8 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |






