Tamron 11-20mm F/2.8 Di III-A RXDvsTamron 20-40mm F/2.8 Di III VXD
11-20mm F/2.8 Di III-A RXD
11-20mm / F2.8
17-30mm equiv.
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20-40mm F/2.8 Di III VXD
20-40mm / F2.8
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Which to choose
When the 11-20mm F/2.8 Di III-A RXD suits you better
- Close focusFocuses as close as 15cm
When the 20-40mm F/2.8 Di III VXD suits you better
- Zoom rangeCovers 20-40mm in a single lens
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- 11-20mm F/2.8 Di III-A RXD86.2mm long × 73mm diameter
- 20-40mm F/2.8 Di III VXD86.5mm long × 74.4mm diameter
Specifications compared
| Specification | Tamron 11-20mm F/2.8 Di III-A RXD | Tamron 20-40mm F/2.8 Di III VXD | Difference |
|---|---|---|---|
| Focal length (wide) | 11mm | 20mm | −9mm |
| Focal length (tele) | 20mm | 40mm | −20mm |
| Max aperture (wide) | F2.8 | F2.8 | — |
| Max aperture (tele) | F2.8 | F2.8 | — |
| Min aperture | F16 | F22 | −6.0 |
| Min focus distance | 15cm | 17cm | −0.02m |
| Max magnification | 0.25× | 0.26× | −0.01x |
| Aperture blades | 7blades | 9blades | −2blades |
| Weight | 335g | 365g | −30g |
| Length | 86.2mm | 86.5mm | −0.3mm |
| Diameter | 73mm | 74.4mm | −1.4mm |
| Filter size | 67mm | 67mm | — |
| Released | 2021 | 2022 | −1year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 11-20mm F/2.8 Di III-A RXD relative to 20-40mm F/2.8 Di III VXD.The highlighted cell is the better side for that specification.
Check prices
11-20mm F/2.8 Di III-A RXD
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20-40mm F/2.8 Di III VXD
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11-20mm F/2.8 Di III-A RXD in detail20-40mm F/2.8 Di III VXD in detailAll E-mount lenses