Canon RF 20-50mm F4 L IS USM PZ vs Canon RF 28mm F2.8 STM
Key differences
- —The RF 28mm F2.8 STM is 300g lighter (120g vs 420g).
- —The RF 28mm F2.8 STM is faster: f/2.8 vs f/4 (≈1.0 stops more light).
- —At launch the RF 28mm F2.8 STM cost $1,100 less ($299 vs $1,399).
- —For close-ups the RF 20-50mm F4 L IS USM PZ reaches 0.33× vs 0.17×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 20–50mm
- 28mm
- Max aperture
- F4
- F2.8◆
- Weight
- 420g
- 120g◆
- Dimensions ⌀ × L
- 79.9 × 98.4mm
- 69.2 × 24.7mm
- Volume
- 493 cm³
- 93 cm³◆
- Density
- 0.85 g/cm³
- 1.29 g/cm³
- Filter thread
- ⌀67mm
- ⌀55mm
- Min focus
- 0.24m
- 0.23m◆
- Max magnification
- 0.33×◆
- 0.17×
- Elements / groups
- 13 / 11
- 8 / 6
- Aperture blades
- 9◆
- 7
- Focus drive
- Nano USM (x3)
- STM (gear-type)
- Stabilisation
- Yes
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- —
- Released
- 2026
- 2023
- MSRP (USD)
- $1,399
- $299◆
- Sharpness
- 8.4
- 8.4
- Bokeh Rendering
- 6.8
- 6.8
- Autofocus Speed
- 8.8◆
- 7.5
- Flare Resistance
- 7.0
- 7.2◆
- Build / Sealing
- 9.0◆
- 7.2
- Value / Size
- 7.4
- 9.0◆
Performance overlay
- RF 20-50mm F4 L IS USM PZ
- RF 28mm F2.8 STM
◆ marks the best value in a row. Scores are 0–10 editorial ratings.