Sigma 300-600mm F4 DG OS | Sports vs Sony FE 600mm F6.3 GM OSS
Key differences
- —The FE 600mm F6.3 GM OSS is 2975g lighter (995g vs 3970g).
- —The 300-600mm F4 DG OS | Sports is faster: f/4 vs f/6.3 (≈1.3 stops more light).
- —At launch the FE 600mm F6.3 GM OSS cost $2,299 less ($3,700 vs $5,999).
- —For close-ups the FE 600mm F6.3 GM OSS reaches 0.25× vs 0.17×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 300–600mm
- 600mm
- Max aperture
- F4◆
- F6.3
- Weight
- 3,970g
- 995g◆
- Dimensions ⌀ × L
- 167.0 × 469.9mm
- 108.0 × 263.0mm
- Volume
- 10293 cm³
- 2409 cm³◆
- Density
- 0.39 g/cm³
- 0.41 g/cm³
- Filter thread
- —
- ⌀95mm
- Min focus
- 2.80m
- 2.50m◆
- Max magnification
- 0.17×
- 0.25×◆
- Elements / groups
- 28 / 21
- 24 / 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
- 2026
- MSRP (USD)
- $5,999
- $3,700◆
- Sharpness
- 9.3◆
- 9.2
- Bokeh Rendering
- 8.8◆
- 8.3
- Autofocus Speed
- 9.0
- 9.2◆
- Flare Resistance
- 8.5
- 8.5
- Build / Sealing
- 9.3◆
- 9.0
- Value / Size
- 8.5◆
- 8.2
Performance overlay
- 300-600mm F4 DG OS | Sports
- FE 600mm F6.3 GM OSS
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

