Lens Comparison
Sony E 10-18mm f/4 OSS vs Tamron 17-28mm F/2.8 Di III RXD
Key Differences
- Sony E 10-18mm f/4 OSS has a better weight (225g (7.9 oz) vs 420g (14.8 oz)).
- Sony E 10-18mm f/4 OSS has a better length (63.8mm vs 99mm).
- 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 min focus distance (19 cm vs 25 cm).
- Tamron 17-28mm F/2.8 Di III RXD has a better aperture blades (9 vs 7).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 10-18mm | 17-28mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 12 | 13 |
| Optical Groups | 11 | 12 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/2.8 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | Full-Frame |
| Lens Mount | Sony E | Sony E |
| Angle of View | − | − |
| 35mm Equivalent | 15-27mm | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | RXD |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 25 cm | 19 cm |
| Max Magnification | 0.1x | 0.19x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $749 | $799 |
| Filter Size | 62mm | 67mm |
| Diameter | 70.8mm | 73mm |
| Length | 63.8mm | 99mm |
| Weight | 225g (7.9 oz) | 420g (14.8 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |
