Sigma 300-600mm F4 DG OS | Sports vs Sony FE 400mm F4.5 GM OSS
Key differences
- —The FE 400mm F4.5 GM OSS is 2976g lighter (994g vs 3970g).
- —The 300-600mm F4 DG OS | Sports is faster: f/4 vs f/4.5 (≈0.3 stops more light).
- —At launch the FE 400mm F4.5 GM OSS cost $3,299 less ($2,700 vs $5,999).
- —For close-ups the FE 400mm F4.5 GM OSS reaches 0.18× vs 0.17×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 300–600mm
- 400mm
- Max aperture
- F4◆
- F4.5
- Weight
- 3,970g
- 994g◆
- Dimensions ⌀ × L
- 167.0 × 469.9mm
- 108.0 × 242.0mm
- Volume
- 10293 cm³
- 2217 cm³◆
- Density
- 0.39 g/cm³
- 0.45 g/cm³
- Filter thread
- —
- ⌀95mm
- Min focus
- 2.80m
- 2.50m◆
- Max magnification
- 0.17×
- 0.18×◆
- Elements / groups
- 28 / 21
- 22 / 16
- 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
- 2026
- MSRP (USD)
- $5,999
- $2,700◆
- Sharpness
- 9.3◆
- 9.2
- Bokeh Rendering
- 8.8◆
- 8.5
- Autofocus Speed
- 9.0
- 9.3◆
- Flare Resistance
- 8.5
- 8.6◆
- Build / Sealing
- 9.3◆
- 9.0
- Value / Size
- 8.5
- 8.6◆
Performance overlay
- 300-600mm F4 DG OS | Sports
- FE 400mm F4.5 GM OSS
◆ marks the best value in a row. Scores are 0–10 editorial ratings.