Sigma 18-50mm F2.8 DC DN ContemporaryvsSigma 45mm F2.8 DG
18-50mm F2.8 DC DN Contemporary
18-50mm / F2.8
27-75mm equiv.
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45mm F2.8 DG
45mm / F2.8
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Which to choose
When the 18-50mm F2.8 DC DN Contemporary suits you better
- Zoom rangeCovers 18-50mm in a single lens
When the 45mm F2.8 DG suits you better
- Weight55g 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
- 18-50mm F2.8 DC DN Contemporary74.5mm long × 61.6mm diameter
- 45mm F2.8 DG48.2mm long × 64mm diameter
Specifications compared
| Specification | Sigma 18-50mm F2.8 DC DN Contemporary | Sigma 45mm F2.8 DG | Difference |
|---|---|---|---|
| Focal length (wide) | 18mm | 45mm | −27mm |
| Focal length (tele) | 50mm | 45mm | +5mm |
| Max aperture (wide) | F2.8 | F2.8 | — |
| Max aperture (tele) | F2.8 | F2.8 | — |
| Min aperture | F22 | — | No data |
| Min focus distance | 12cm | — | No data |
| Max magnification | 0.35× | — | No data |
| Aperture blades | 7blades | — | No data |
| Weight | 290g | 235g | +55g |
| Length | 74.5mm | 48.2mm | +26.3mm |
| Diameter | 61.6mm | 64mm | −2.4mm |
| Filter size | 55mm | 55mm | — |
| Released | 2021 | 2025 | −4year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 18-50mm F2.8 DC DN Contemporary relative to 45mm F2.8 DG.The highlighted cell is the better side for that specification.
Check prices
18-50mm F2.8 DC DN Contemporary
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45mm F2.8 DG
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.
18-50mm F2.8 DC DN Contemporary in detail45mm F2.8 DG in detailAll E-mount lenses