Lens Comparison
Fujifilm XF 18mm f/1.4 R LM WR vs Tamron 17-70mm f/2.8 Di III-A VC RXD (Fuji X)
Key Differences
- Fujifilm XF 18mm f/1.4 R LM WR has a better maximum aperture (f/1.4 vs f/2.8).
- Fujifilm XF 18mm f/1.4 R LM WR has a better length (70.5mm vs 119.3mm).
- Fujifilm XF 18mm f/1.4 R LM WR has a better weight (370g (13.1 oz) vs 525g (1.16 lb)).
- Tamron 17-70mm f/2.8 Di III-A VC RXD (Fuji X) has a better max magnification (0.41x vs 0.21x).
- Tamron 17-70mm f/2.8 Di III-A VC RXD (Fuji X) has a better min focus distance (19 cm vs 22 cm).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18mm | 17-70mm |
| Lens Type | Prime | Zoom |
| Optical Elements | 13 | 19 |
| Optical Groups | 10 | 15 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.4 | f/2.8 |
| Minimum Aperture | f/16 | f/22 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Fujifilm X | Fujifilm X |
| Angle of View | − | − |
| 35mm Equivalent | 27-27mm | 26-107mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Linear | RXD |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 22 cm | 19 cm |
| Max Magnification | 0.21x | 0.41x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | Yes | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $799 | $799 |
| Filter Size | 62mm | 67mm |
| Diameter | 73.3mm | 77.6mm |
| Length | 70.5mm | 119.3mm |
| Weight | 370g (13.1 oz) | 525g (1.16 lb) |
| Weather Sealed | Yes | Yes |
| Tripod Collar | No | No |
