Canon RF 100-300mm F2.8 L IS USM vs Canon RF 75-300mm F4-5.6
Key differences
- —The RF 75-300mm F4-5.6 is 2083g lighter (507g vs 2590g).
- —The RF 100-300mm F2.8 L IS USM is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the RF 75-300mm F4-5.6 cost $9,280 less ($219 vs $9,499).
- —For close-ups the RF 75-300mm F4-5.6 reaches 0.25× vs 0.16×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 100–300mm
- 75–300mm
- Max aperture
- F2.8◆
- F4–5.6
- Weight
- 2,590g
- 507g◆
- Dimensions ⌀ × L
- 128.0 × 323.4mm
- 71.2 × 146.1mm
- Volume
- 4161 cm³
- 582 cm³◆
- Density
- 0.62 g/cm³
- 0.87 g/cm³
- Filter thread
- ⌀112mm
- ⌀58mm
- Min focus
- 1.80m
- 1.50m◆
- Max magnification
- 0.16×
- 0.25×◆
- Elements / groups
- 23 / 18
- 13 / 9
- Aperture blades
- 9◆
- 7
- Focus drive
- Nano USM (x2)
- DC Motor
- Stabilisation
- Yes
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- —
- Released
- 2023
- 2025
- MSRP (USD)
- $9,499
- $219◆
- Sharpness
- 9.4◆
- 6.0
- Bokeh Rendering
- 9.1◆
- 6.5
- Autofocus Speed
- 9.3◆
- 5.6
- Flare Resistance
- 8.6◆
- 6.3
- Build / Sealing
- 9.4◆
- 5.8
- Value / Size
- 5.9
- 7.8◆
Performance overlay
- RF 100-300mm F2.8 L IS USM
- RF 75-300mm F4-5.6
◆ marks the best value in a row. Scores are 0–10 editorial ratings.