Canon RF 100-300mm F2.8 L IS USM vs Canon RF 100-400mm F5.6-8 IS USM
Key differences
- —The RF 100-400mm F5.6-8 IS USM is 1955g lighter (635g vs 2590g).
- —The RF 100-300mm F2.8 L IS USM is faster: f/2.8 vs f/5.6 (≈2.0 stops more light).
- —At launch the RF 100-400mm F5.6-8 IS USM cost $8,850 less ($649 vs $9,499).
- —For close-ups the RF 100-400mm F5.6-8 IS USM reaches 0.41× vs 0.16×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 100–300mm
- 100–400mm
- Max aperture
- F2.8◆
- F5.6–8
- Weight
- 2,590g
- 635g◆
- Dimensions ⌀ × L
- 128.0 × 323.4mm
- 79.5 × 164.7mm
- Volume
- 4161 cm³
- 818 cm³◆
- Density
- 0.62 g/cm³
- 0.78 g/cm³
- Filter thread
- ⌀112mm
- ⌀67mm
- Min focus
- 1.80m
- 0.88m◆
- Max magnification
- 0.16×
- 0.41×◆
- Elements / groups
- 23 / 18
- 12 / 9
- Aperture blades
- 9
- 9
- Focus drive
- Nano USM (x2)
- Nano USM
- Stabilisation
- Yes
- Yes
- Weather sealed
- Yes
- —
- Aperture ring
- —
- —
- Released
- 2023
- 2021
- MSRP (USD)
- $9,499
- $649◆
- Sharpness
- 9.4◆
- 7.6
- Bokeh Rendering
- 9.1◆
- 6.4
- Autofocus Speed
- 9.3◆
- 8.0
- Flare Resistance
- 8.6◆
- 7.8
- Build / Sealing
- 9.4◆
- 6.8
- Value / Size
- 5.9
- 9.3◆
Performance overlay
- RF 100-300mm F2.8 L IS USM
- RF 100-400mm F5.6-8 IS USM
◆ marks the best value in a row. Scores are 0–10 editorial ratings.