Canon RF24-105mm F4-7.1 IS STMvsCanon RF45mm F1.2 STM
RF24-105mm F4-7.1 IS STM
24-105mm / F4-7.1
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RF45mm F1.2 STM
45mm / F1.2
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Which to choose
When the RF24-105mm F4-7.1 IS STM suits you better
- Close focusFocuses as close as 20cm
- Zoom rangeCovers 24-105mm in a single lens
- StabilizationHas stabilization
When the RF45mm F1.2 STM suits you better
- Brightness3.5 stops brighter — better in low light and blurs the background more
- Weight49g lighter, so easier to carry
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
- RF24-105mm F4-7.1 IS STM88.8mm long × 76.6mm diameter
- RF45mm F1.2 STM75mm long × 78mm diameter
Specifications compared
| Specification | Canon RF24-105mm F4-7.1 IS STM | Canon RF45mm F1.2 STM | Difference |
|---|---|---|---|
| Focal length (wide) | 24mm | 45mm | −21mm |
| Focal length (tele) | 105mm | 45mm | +60mm |
| Max aperture (wide) | F4 | F1.2 | 3.5 stops darker |
| Max aperture (tele) | F7.1 | F1.2 | 5.1 stops darker |
| Min aperture | F22 | F16 | +6.0 |
| Min focus distance | 20cm | 45cm | −0.25m |
| Max magnification | 0.40× | 0.13× | +0.27x |
| Aperture blades | 7blades | 9blades | −2blades |
| Weight | 395g | 346g | +49g |
| Length | 88.8mm | 75mm | +13.8mm |
| Diameter | 76.6mm | 78mm | −1.4mm |
| Filter size | 67mm | 67mm | — |
| Released | 2020 | 2025 | −5year |
| Stabilization | Yes | No | Yes |
| Weather sealing | No | No | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF24-105mm F4-7.1 IS STM relative to RF45mm F1.2 STM.The highlighted cell is the better side for that specification.
Check prices
RF24-105mm F4-7.1 IS STM
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RF45mm F1.2 STM
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RF24-105mm F4-7.1 IS STM in detailRF45mm F1.2 STM in detailAll RF mount lenses