Sigma 16-300mm F3.5-6.7 DC OSvsTamron 18-300mm F/3.5-6.3 Di III-A VC VXD
16-300mm F3.5-6.7 DC OS
16-300mm / F3.5-6.7
24-450mm equiv.
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18-300mm F/3.5-6.3 Di III-A VC VXD
18-300mm / F3.5-6.3
27-450mm equiv.
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Which to choose
When the 16-300mm F3.5-6.7 DC OS suits you better
- Zoom rangeCovers 16-300mm in a single lens
When the 18-300mm F/3.5-6.3 Di III-A VC VXD suits you better
No standout advantage in this comparison.
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
- 16-300mm F3.5-6.7 DC OS123.7mm long × 73.8mm diameter
- 18-300mm F/3.5-6.3 Di III-A VC VXD125.8mm long × 75.5mm diameter
Specifications compared
| Specification | Sigma 16-300mm F3.5-6.7 DC OS | Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD | Difference |
|---|---|---|---|
| Focal length (wide) | 16mm | 18mm | −2mm |
| Focal length (tele) | 300mm | 300mm | — |
| Max aperture (wide) | F3.5 | F3.5 | — |
| Max aperture (tele) | F6.7 | F6.3 | 0.2 stops darker |
| Min focus distance | — | 15cm | No data |
| Weight | 615g | 620g | −5g |
| Length | 123.7mm | 125.8mm | −2.1mm |
| Diameter | 73.8mm | 75.5mm | −1.7mm |
| Filter size | 67mm | 67mm | — |
| Released | 2025 | 2021 | +4year |
| Stabilization | Yes | Yes | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 16-300mm F3.5-6.7 DC OS relative to 18-300mm F/3.5-6.3 Di III-A VC VXD.The highlighted cell is the better side for that specification.
Check prices
16-300mm F3.5-6.7 DC OS
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18-300mm F/3.5-6.3 Di III-A VC 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.
16-300mm F3.5-6.7 DC OS in detail18-300mm F/3.5-6.3 Di III-A VC VXD in detailAll X Mount lenses