Sigma 20-200mm F3.5-6.3 DG ContemporaryvsTamron 28-200mm F/2.8-5.6 Di III RXD
20-200mm F3.5-6.3 DG Contemporary
20-200mm / F3.5-6.3
—
28-200mm F/2.8-5.6 Di III RXD
28-200mm / F2.8-5.6
—
Which to choose
When the 20-200mm F3.5-6.3 DG Contemporary suits you better
- Zoom rangeCovers 20-200mm in a single lens
When the 28-200mm F/2.8-5.6 Di III RXD suits you better
- Brightness0.6 stops brighter — better in low light and blurs the background more
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
- 20-200mm F3.5-6.3 DG Contemporary117.5mm long × 77.2mm diameter
- 28-200mm F/2.8-5.6 Di III RXD117mm long × 74mm diameter
Specifications compared
| Specification | Sigma 20-200mm F3.5-6.3 DG Contemporary | Tamron 28-200mm F/2.8-5.6 Di III RXD | Difference |
|---|---|---|---|
| Focal length (wide) | 20mm | 28mm | −8mm |
| Focal length (tele) | 200mm | 200mm | — |
| Max aperture (wide) | F3.5 | F2.8 | 0.6 stops darker |
| Max aperture (tele) | F6.3 | F5.6 | 0.3 stops darker |
| Min aperture | F22 | F16 | +6.0 |
| Min focus distance | — | 19cm | No data |
| Max magnification | — | 0.32× | No data |
| Aperture blades | — | 7blades | No data |
| Weight | 540g | 575g | −35g |
| Length | 117.5mm | 117mm | +0.5mm |
| Diameter | 77.2mm | 74mm | +3.2mm |
| Filter size | 72mm | 67mm | +5mm |
| Released | 2025 | 2020 | +5year |
| Stabilization | No | No | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 20-200mm F3.5-6.3 DG Contemporary relative to 28-200mm F/2.8-5.6 Di III RXD.The highlighted cell is the better side for that specification.
Check prices
20-200mm F3.5-6.3 DG Contemporary
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28-200mm F/2.8-5.6 Di III RXD
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20-200mm F3.5-6.3 DG Contemporary in detail28-200mm F/2.8-5.6 Di III RXD in detailAll E-mount lenses