Canon RF 45mm F1.2 STM vs Laowa Aksen 45mm f/2.8 1-5X Ultra Macro APO (Canon RF)
Key differences
- —The RF 45mm F1.2 STM is 253g lighter (346g vs 599g).
- —The RF 45mm F1.2 STM is faster: f/1.2 vs f/2.8 (≈2.4 stops more light).
- —At launch the RF 45mm F1.2 STM cost $279 less ($470 vs $749).
- —The Aksen 45mm f/2.8 1-5X Ultra Macro APO (Canon RF) is manual focus only.
- —For close-ups the Aksen 45mm f/2.8 1-5X Ultra Macro APO (Canon RF) reaches 5.00× vs 0.13×.
- Mount
- Canon RF
- Canon RF
- Focal length
- 45mm
- 45mm
- Max aperture
- F1.2◆
- F2.8
- Weight
- 346g◆
- 599g
- Dimensions ⌀ × L
- 78.0 × 75.0mm
- 70.2 × 121.0mm
- Volume
- 358 cm³◆
- 468 cm³
- Density
- 0.97 g/cm³
- 1.28 g/cm³
- Filter thread
- ⌀67mm
- —
- Min focus
- 0.45m
- 0.18m◆
- Max magnification
- 0.13×
- 5.00×◆
- Elements / groups
- 9 / 7
- 13 / 9
- Aperture blades
- 9
- 11◆
- Focus drive
- STM
- Manual Helicoid
- Stabilisation
- —
- —
- Weather sealed
- —
- —
- Aperture ring
- —
- Yes
- Released
- 2025
- 2026
- MSRP (USD)
- $470◆
- $749
- Sharpness
- 7.0
- 9.0◆
- Bokeh Rendering
- 7.3◆
- 6.5
- Autofocus Speed
- 7.2
- MF
- Flare Resistance
- 7.0
- 7.5◆
- Build / Sealing
- 7.0
- 8.8◆
- Value / Size
- 8.3
- 8.6◆
Performance overlay
- RF 45mm F1.2 STM
- Aksen 45mm f/2.8 1-5X Ultra Macro APO (Canon RF)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.