Sigma 300-600mm F4 DG OS | Sports vs Sony FE 400mm F2.8 GM OSS
Key differences
- —The FE 400mm F2.8 GM OSS is 1075g lighter (2895g vs 3970g).
- —The FE 400mm F2.8 GM OSS is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the 300-600mm F4 DG OS | Sports cost $6,001 less ($5,999 vs $12,000).
- —For close-ups the 300-600mm F4 DG OS | Sports reaches 0.17× vs 0.16×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 300–600mm
- 400mm
- Max aperture
- F4
- F2.8◆
- Weight
- 3,970g
- 2,895g◆
- Dimensions ⌀ × L
- 167.0 × 469.9mm
- 158.1 × 359.0mm
- Volume
- 10293 cm³
- 7048 cm³◆
- Density
- 0.39 g/cm³
- 0.41 g/cm³
- Filter thread
- —
- —
- Min focus
- 2.80m
- 2.70m◆
- Max magnification
- 0.17×◆
- 0.16×
- Elements / groups
- 28 / 21
- 23 / 17
- Aperture blades
- 13◆
- 11
- Focus drive
- HLA (High-response Linear Actuator)
- XD Linear Motor (x2)
- Stabilisation
- Yes
- Yes
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- —
- Released
- 2025
- 2018
- MSRP (USD)
- $5,999◆
- $12,000
- Sharpness
- 9.3
- 9.5◆
- Bokeh Rendering
- 8.8
- 9.4◆
- Autofocus Speed
- 9.0
- 9.5◆
- Flare Resistance
- 8.5
- 8.8◆
- Build / Sealing
- 9.3
- 9.5◆
- Value / Size
- 8.5◆
- 5.8
Performance overlay
- 300-600mm F4 DG OS | Sports
- FE 400mm F2.8 GM OSS
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

