Canon RF24-50mm F4.5-6.3 IS STMvsCanon RF45mm F1.2 STM
RF24-50mm F4.5-6.3 IS STM
24-50mm / F4.5-6.3
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RF45mm F1.2 STM
45mm / F1.2
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Which to choose
When the RF24-50mm F4.5-6.3 IS STM suits you better
- Weight136g lighter, so easier to carry
- Close focusFocuses as close as 30cm
- Zoom rangeCovers 24-50mm in a single lens
- StabilizationHas stabilization
When the RF45mm F1.2 STM suits you better
- Brightness3.8 stops brighter — better in low light and blurs the background more
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- RF24-50mm F4.5-6.3 IS STM58mm long × 69.6mm diameter
- RF45mm F1.2 STM75mm long × 78mm diameter
Specifications compared
| Specification | Canon RF24-50mm F4.5-6.3 IS STM | Canon RF45mm F1.2 STM | Difference |
|---|---|---|---|
| Focal length (wide) | 24mm | 45mm | −21mm |
| Focal length (tele) | 50mm | 45mm | +5mm |
| Max aperture (wide) | F4.5 | F1.2 | 3.8 stops darker |
| Max aperture (tele) | F6.3 | F1.2 | 4.8 stops darker |
| Min aperture | F22 | F16 | +6.0 |
| Min focus distance | 30cm | 45cm | −0.15m |
| Max magnification | 0.19× | 0.13× | +0.06x |
| Aperture blades | 7blades | 9blades | −2blades |
| Weight | 210g | 346g | −136g |
| Length | 58mm | 75mm | −17mm |
| Diameter | 69.6mm | 78mm | −8.4mm |
| Filter size | 58mm | 67mm | −9mm |
| Released | 2023 | 2025 | −2year |
| Stabilization | Yes | No | Yes |
| Weather sealing | No | No | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF24-50mm F4.5-6.3 IS STM relative to RF45mm F1.2 STM.The highlighted cell is the better side for that specification.
Check prices
RF24-50mm F4.5-6.3 IS STM
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RF45mm F1.2 STM
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RF24-50mm F4.5-6.3 IS STM in detailRF45mm F1.2 STM in detailAll RF mount lenses