Sigma 300-600mm F4 DG OS SportsvsSony FE 400-800mm F6.3-8 G OSS
300-600mm F4 DG OS Sports
300-600mm / F4
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FE 400-800mm F6.3-8 G OSS
400-800mm / F6.3-8
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Which to choose
When the 300-600mm F4 DG OS Sports suits you better
- Brightness1.3 stops brighter — better in low light and blurs the background more
When the FE 400-800mm F6.3-8 G OSS suits you better
- Weight1495g 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
- 300-600mm F4 DG OS Sports469.9mm long × 167mm diameter
- FE 400-800mm F6.3-8 G OSS346.8mm long × 119.8mm diameter
Specifications compared
| Specification | Sigma 300-600mm F4 DG OS Sports | Sony FE 400-800mm F6.3-8 G OSS | Difference |
|---|---|---|---|
| Focal length (wide) | 300mm | 400mm | −100mm |
| Focal length (tele) | 600mm | 800mm | −200mm |
| Max aperture (wide) | F4 | F6.3 | 1.3 stops brighter |
| Max aperture (tele) | F4 | F8 | 2.0 stops brighter |
| Min aperture | F22 | F36 | −14.0 |
| Min focus distance | — | 1.7m | No data |
| Max magnification | — | 0.23× | No data |
| Aperture blades | — | 11blades | No data |
| Weight | 3.97kg | 2.48kg | +1495g |
| Length | 469.9mm | 346.8mm | +123.1mm |
| Diameter | 167mm | 119.8mm | +47.2mm |
| Filter size | 40.5mm | 105mm | −64.5mm |
| Released | 2025 | 2025 | — |
| Stabilization | Yes | Yes | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 300-600mm F4 DG OS Sports relative to FE 400-800mm F6.3-8 G OSS.The highlighted cell is the better side for that specification.
Check prices
300-600mm F4 DG OS Sports
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FE 400-800mm F6.3-8 G OSS
ADLinks to Amazon, MPB, Wex Photo Video, Park Cameras, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links to London Camera Exchange are not affiliate links.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.
300-600mm F4 DG OS Sports in detailFE 400-800mm F6.3-8 G OSS in detailAll E-mount lenses