Canon RF 15-35mm F2.8 L IS USM vs Canon RF 20-50mm F4 L IS USM PZ
Key differences
- —The RF 20-50mm F4 L IS USM PZ is 420g lighter (420g vs 840g).
- —The RF 15-35mm F2.8 L IS USM is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the RF 20-50mm F4 L IS USM PZ cost $900 less ($1,399 vs $2,299).
- —For close-ups the RF 20-50mm F4 L IS USM PZ reaches 0.33× vs 0.21×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 15–35mm
- 20–50mm
- Max aperture
- F2.8◆
- F4
- Weight
- 840g
- 420g◆
- Dimensions ⌀ × L
- 88.5 × 126.8mm
- 79.9 × 98.4mm
- Volume
- 780 cm³
- 493 cm³◆
- Density
- 1.08 g/cm³
- 0.85 g/cm³
- Filter thread
- ⌀82mm
- ⌀67mm
- Min focus
- 0.28m
- 0.24m◆
- Max magnification
- 0.21×
- 0.33×◆
- Elements / groups
- 16 / 12
- 13 / 11
- Aperture blades
- 9
- 9
- Focus drive
- Nano USM
- Nano USM (x3)
- Stabilisation
- Yes
- Yes
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- —
- Released
- 2019
- 2026
- MSRP (USD)
- $2,299
- $1,399◆
- Sharpness
- 8.8◆
- 8.4
- Bokeh Rendering
- 7.6◆
- 6.8
- Autofocus Speed
- 9.0◆
- 8.8
- Flare Resistance
- 8.3◆
- 7.0
- Build / Sealing
- 9.3◆
- 9.0
- Value / Size
- 7.2
- 7.4◆
Performance overlay
- RF 15-35mm F2.8 L IS USM
- RF 20-50mm F4 L IS USM PZ
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

