Tamron 20-40mm F/2.8 Di III VXDvsTokina atx-m 23mm F1.4 E
20-40mm F/2.8 Di III VXD
20-40mm / F2.8
—
atx-m 23mm F1.4 E
23mm / F1.4
35mm equiv.
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Which to choose
When the 20-40mm F/2.8 Di III VXD suits you better
- Close focusFocuses as close as 17cm
- Zoom rangeCovers 20-40mm in a single lens
- Weather sealingHas weather sealing
When the atx-m 23mm F1.4 E suits you better
- Brightness2.0 stops brighter — better in low light and blurs the background more
- Weight89g lighter, so easier to carry
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
- 20-40mm F/2.8 Di III VXD86.5mm long × 74.4mm diameter
- atx-m 23mm F1.4 E72mm long × 65mm diameter
Specifications compared
| Specification | Tamron 20-40mm F/2.8 Di III VXD | Tokina atx-m 23mm F1.4 E | Difference |
|---|---|---|---|
| Focal length (wide) | 20mm | 23mm | −3mm |
| Focal length (tele) | 40mm | 23mm | +17mm |
| Max aperture (wide) | F2.8 | F1.4 | 2.0 stops darker |
| Max aperture (tele) | F2.8 | F1.4 | 2.0 stops darker |
| Min aperture | F22 | F16 | +6.0 |
| Min focus distance | 17cm | 30cm | −0.13m |
| Max magnification | 0.26× | 0.10× | +0.16x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 365g | 276g | +89g |
| Length | 86.5mm | 72mm | +14.5mm |
| Diameter | 74.4mm | 65mm | +9.4mm |
| Filter size | 67mm | 52mm | +15mm |
| Released | 2022 | 2021 | +1year |
| Stabilization | No | No | — |
| Weather sealing | Yes | No | Yes |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 20-40mm F/2.8 Di III VXD relative to atx-m 23mm F1.4 E.The highlighted cell is the better side for that specification.
Check prices
20-40mm F/2.8 Di III VXD
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atx-m 23mm F1.4 E
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20-40mm F/2.8 Di III VXD in detailatx-m 23mm F1.4 E in detailAll E-mount lenses