Sigma 300-600mm F4 DG OS SportsvsSony FE 400mm F2.8 GM OSS
300-600mm F4 DG OS Sports
300-600mm / F4
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FE 400mm F2.8 GM OSS
400mm / F2.8
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Which to choose
When the 300-600mm F4 DG OS Sports suits you better
- Zoom rangeCovers 300-600mm in a single lens
When the FE 400mm F2.8 GM OSS suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Weight1075g 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 400mm F2.8 GM OSS359mm long × 158.1mm diameter
Specifications compared
| Specification | Sigma 300-600mm F4 DG OS Sports | Sony FE 400mm F2.8 GM OSS | Difference |
|---|---|---|---|
| Focal length (wide) | 300mm | 400mm | −100mm |
| Focal length (tele) | 600mm | 400mm | +200mm |
| 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 | — | 2.7m | No data |
| Max magnification | — | 0.16× | No data |
| Aperture blades | — | 11blades | No data |
| Weight | 3.97kg | 2.90kg | +1075g |
| Length | 469.9mm | 359mm | +110.9mm |
| Diameter | 167mm | 158.1mm | +8.9mm |
| Filter size | 40.5mm | 40.5mm | — |
| Released | 2025 | 2018 | +7year |
| 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 400mm F2.8 GM OSS.The highlighted cell is the better side for that specification.
Check prices
300-600mm F4 DG OS Sports
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FE 400mm F2.8 GM OSS
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.
300-600mm F4 DG OS Sports in detailFE 400mm F2.8 GM OSS in detailAll E-mount lenses