Sigma 23mm F1.4 DC DN ContemporaryvsTamron 20-40mm F/2.8 Di III VXD
23mm F1.4 DC DN Contemporary
23mm / F1.4
35mm equiv.
—
20-40mm F/2.8 Di III VXD
20-40mm / F2.8
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Which to choose
When the 23mm F1.4 DC DN Contemporary suits you better
- Brightness2.0 stops brighter — better in low light and blurs the background more
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
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
- 23mm F1.4 DC DN Contemporary76.8mm long × 65.8mm diameter
- 20-40mm F/2.8 Di III VXD86.5mm long × 74.4mm diameter
Specifications compared
| Specification | Sigma 23mm F1.4 DC DN Contemporary | Tamron 20-40mm F/2.8 Di III VXD | Difference |
|---|---|---|---|
| Focal length (wide) | 23mm | 20mm | +3mm |
| Focal length (tele) | 23mm | 40mm | −17mm |
| Max aperture (wide) | F1.4 | F2.8 | 2.0 stops brighter |
| Max aperture (tele) | F1.4 | F2.8 | 2.0 stops brighter |
| Min aperture | F16 | F22 | −6.0 |
| Min focus distance | 25cm | 17cm | +0.08m |
| Max magnification | 0.14× | 0.26× | −0.12x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 330g | 365g | −35g |
| Length | 76.8mm | 86.5mm | −9.7mm |
| Diameter | 65.8mm | 74.4mm | −8.6mm |
| Filter size | 52mm | 67mm | −15mm |
| Released | 2023 | 2022 | +1year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 23mm F1.4 DC DN Contemporary relative to 20-40mm F/2.8 Di III VXD.The highlighted cell is the better side for that specification.
Check prices
23mm F1.4 DC DN Contemporary
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20-40mm F/2.8 Di III VXD
ADLinks to Amazon, MPB, Wex Photo Video, Park Cameras, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links to London Camera Exchange are not affiliate links.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
23mm F1.4 DC DN Contemporary in detail20-40mm F/2.8 Di III VXD in detailAll E-mount lenses