Sigma 23mm F1.4 DC DN ContemporaryvsTamron 17-50mm F/4 Di III VXD
23mm F1.4 DC DN Contemporary
23mm / F1.4
35mm equiv.
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17-50mm F/4 Di III VXD
17-50mm / F4
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Which to choose
When the 23mm F1.4 DC DN Contemporary suits you better
- Brightness3.0 stops brighter — better in low light and blurs the background more
- Weight130g lighter, so easier to carry
When the 17-50mm F/4 Di III VXD suits you better
- Close focusFocuses as close as 19cm
- Zoom rangeCovers 17-50mm 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
- 17-50mm F/4 Di III VXD114.4mm long × 74.8mm diameter
Specifications compared
| Specification | Sigma 23mm F1.4 DC DN Contemporary | Tamron 17-50mm F/4 Di III VXD | Difference |
|---|---|---|---|
| Focal length (wide) | 23mm | 17mm | +6mm |
| Focal length (tele) | 23mm | 50mm | −27mm |
| Max aperture (wide) | F1.4 | F4 | 3.0 stops brighter |
| Max aperture (tele) | F1.4 | F4 | 3.0 stops brighter |
| Min aperture | F16 | F22 | −6.0 |
| Min focus distance | 25cm | 19cm | +0.06m |
| Max magnification | 0.14× | 0.25× | −0.11x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 330g | 460g | −130g |
| Length | 76.8mm | 114.4mm | −37.6mm |
| Diameter | 65.8mm | 74.8mm | −9mm |
| Filter size | 52mm | 67mm | −15mm |
| Released | 2023 | 2024 | −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 17-50mm F/4 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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17-50mm F/4 Di III VXD
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.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 detail17-50mm F/4 Di III VXD in detailAll E-mount lenses