Sony FE 100-400mm F4.5 GM OSS vs Sony FE 100-400mm F5.6-8 OSS
Key differences
- —The FE 100-400mm F5.6-8 OSS is 1186g lighter (654g vs 1840g).
- —The FE 100-400mm F4.5 GM OSS is faster: f/4.5 vs f/5.6 (≈0.6 stops more light).
- —At launch the FE 100-400mm F5.6-8 OSS cost $3,450 less ($850 vs $4,300).
- —For close-ups the FE 100-400mm F5.6-8 OSS reaches 0.41× vs 0.25×.
- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 100–400mm
- 100–400mm
- Max aperture
- F4.5◆
- F5.6–8
- Weight
- 1,840g
- 654g◆
- Dimensions ⌀ × L
- 119.8 × 328.0mm
- 78.2 × 164.5mm
- Volume
- 3697 cm³
- 790 cm³◆
- Density
- 0.50 g/cm³
- 0.83 g/cm³
- Filter thread
- ⌀95mm
- ⌀67mm
- Min focus
- 0.64m◆
- 0.86m
- Max magnification
- 0.25×
- 0.41×◆
- Elements / groups
- 28 / 20
- 15 / 10
- Aperture blades
- 11◆
- 9
- Focus drive
- XD Linear Motor (x4)
- Linear Motor (x2)
- Stabilisation
- Yes
- Yes
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- —
- Released
- 2026
- 2026
- MSRP (USD)
- $4,300
- $850◆
- Sharpness
- 9.3◆
- 7.4
- Bokeh Rendering
- 8.9◆
- 7.0
- Autofocus Speed
- 9.6◆
- 7.6
- Flare Resistance
- 8.7◆
- 7.6
- Build / Sealing
- 9.2◆
- 7.5
- Value / Size
- 6.8
- 8.7◆
Performance overlay
- FE 100-400mm F4.5 GM OSS
- FE 100-400mm F5.6-8 OSS
◆ marks the best value in a row. Scores are 0–10 editorial ratings.