Sigma 50mm F2 DG DN ContemporaryvsTamron 28-75mm F/2.8 Di III RXD
50mm F2 DG DN Contemporary
50mm / F2
—
28-75mm F/2.8 Di III RXD
28-75mm / F2.8
—
Which to choose
When the 50mm F2 DG DN Contemporary suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Weight205g lighter, so easier to carry
When the 28-75mm F/2.8 Di III RXD suits you better
- Close focusFocuses as close as 19cm
- Zoom rangeCovers 28-75mm 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
- 50mm F2 DG DN Contemporary70mm long × 70mm diameter
- 28-75mm F/2.8 Di III RXD117.8mm long × 73mm diameter
Specifications compared
| Specification | Sigma 50mm F2 DG DN Contemporary | Tamron 28-75mm F/2.8 Di III RXD | Difference |
|---|---|---|---|
| Focal length (wide) | 50mm | 28mm | +22mm |
| Focal length (tele) | 50mm | 75mm | −25mm |
| Max aperture (wide) | F2 | F2.8 | 1.0 stops brighter |
| Max aperture (tele) | F2 | F2.8 | 1.0 stops brighter |
| Min aperture | F22 | F22 | — |
| Min focus distance | 45cm | 19cm | +0.26m |
| Max magnification | 0.15× | 0.34× | −0.19x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 345g | 550g | −205g |
| Length | 70mm | 117.8mm | −47.8mm |
| Diameter | 70mm | 73mm | −3mm |
| Filter size | 58mm | 67mm | −9mm |
| Released | 2023 | 2018 | +5year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 50mm F2 DG DN Contemporary relative to 28-75mm F/2.8 Di III RXD.The highlighted cell is the better side for that specification.
Check prices
50mm F2 DG DN Contemporary
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28-75mm F/2.8 Di III RXD
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.
50mm F2 DG DN Contemporary in detail28-75mm F/2.8 Di III RXD in detailAll E-mount lenses