Sigma 17mm F4 DG DN ContemporaryvsTamron 17-28mm F/2.8 Di III RXD
17mm F4 DG DN Contemporary
17mm / F4
—
17-28mm F/2.8 Di III RXD
17-28mm / F2.8
—
Which to choose
When the 17mm F4 DG DN Contemporary suits you better
- Weight200g lighter, so easier to carry
- Close focusFocuses as close as 12cm
When the 17-28mm F/2.8 Di III RXD suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Zoom rangeCovers 17-28mm 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
- 17mm F4 DG DN Contemporary50.8mm long × 64mm diameter
- 17-28mm F/2.8 Di III RXD99mm long × 73mm diameter
Specifications compared
| Specification | Sigma 17mm F4 DG DN Contemporary | Tamron 17-28mm F/2.8 Di III RXD | Difference |
|---|---|---|---|
| Focal length (wide) | 17mm | 17mm | — |
| Focal length (tele) | 17mm | 28mm | −11mm |
| Max aperture (wide) | F4 | F2.8 | 1.0 stops darker |
| Max aperture (tele) | F4 | F2.8 | 1.0 stops darker |
| Min aperture | F22 | F22 | — |
| Min focus distance | 12cm | 19cm | −0.07m |
| Max magnification | 0.28× | 0.19× | +0.09x |
| Aperture blades | 7blades | 9blades | −2blades |
| Weight | 220g | 420g | −200g |
| Length | 50.8mm | 99mm | −48.2mm |
| Diameter | 64mm | 73mm | −9mm |
| Filter size | 55mm | 67mm | −12mm |
| Released | 2023 | 2019 | +4year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 17mm F4 DG DN Contemporary relative to 17-28mm F/2.8 Di III RXD.The highlighted cell is the better side for that specification.
Check prices
17mm F4 DG DN Contemporary
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17-28mm 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.
17mm F4 DG DN Contemporary in detail17-28mm F/2.8 Di III RXD in detailAll E-mount lenses