Canon RF 28-70mm F2 L USM vs Canon RF 45mm F1.2 STM
Key differences
- —The RF 45mm F1.2 STM is 1084g lighter (346g vs 1430g).
- —The RF 45mm F1.2 STM is faster: f/1.2 vs f/2 (≈1.5 stops more light).
- —For close-ups the RF 28-70mm F2 L USM reaches 0.18× vs 0.13×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 28–70mm
- 45mm
- Max aperture
- F2
- F1.2◆
- Weight
- 1,430g
- 346g◆
- Dimensions ⌀ × L
- 103.8 × 139.8mm
- 78.0 × 75.0mm
- Volume
- 1183 cm³
- 358 cm³◆
- Density
- 1.21 g/cm³
- 0.97 g/cm³
- Filter thread
- ⌀95mm
- ⌀67mm
- Min focus
- 0.39m◆
- 0.45m
- Max magnification
- 0.18×◆
- 0.13×
- Elements / groups
- 19 / 13
- 9 / 7
- Aperture blades
- 9
- 9
- Focus drive
- Ring USM
- STM
- Stabilisation
- —
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- —
- Released
- 2018
- 2025
- MSRP (USD)
- Unconfirmed
- $470
- Sharpness
- 9.0◆
- 7.0
- Bokeh Rendering
- 8.7◆
- 7.3
- Autofocus Speed
- 8.8◆
- 7.2
- Flare Resistance
- 8.5◆
- 7.0
- Build / Sealing
- 9.2◆
- 7.0
- Value / Size
- 6.8
- 8.3◆
Performance overlay
- RF 28-70mm F2 L USM
- RF 45mm F1.2 STM
◆ marks the best value in a row. Scores are 0–10 editorial ratings.