Canon RF100-300mm F2.8 L IS USMvsCanon RF70-200mm F4 L IS USM
RF100-300mm F2.8 L IS USM
100-300mm / F2.8
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RF70-200mm F4 L IS USM
70-200mm / F4
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Which to choose
When the RF100-300mm F2.8 L IS USM suits you better
- Brightness1.0 stops brighter — better in low light and blurs the background more
- Zoom rangeCovers 100-300mm in a single lens
When the RF70-200mm F4 L IS USM suits you better
- Weight1895g lighter, so easier to carry
- Close focusFocuses as close as 60cm
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
- RF100-300mm F2.8 L IS USM323.4mm long × 128mm diameter
- RF70-200mm F4 L IS USM119mm long × 83.5mm diameter
Specifications compared
| Specification | Canon RF100-300mm F2.8 L IS USM | Canon RF70-200mm F4 L IS USM | Difference |
|---|---|---|---|
| Focal length (wide) | 100mm | 70mm | +30mm |
| Focal length (tele) | 300mm | 200mm | +100mm |
| Max aperture (wide) | F2.8 | F4 | 1.0 stops brighter |
| Max aperture (tele) | F2.8 | F4 | 1.0 stops brighter |
| Min aperture | F22 | F32 | −10.0 |
| Min focus distance | 1.8m | 60cm | +1.20m |
| Max magnification | 0.16× | 0.28× | −0.12x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 2.59kg | 695g | +1895g |
| Length | 323.4mm | 119mm | +204.4mm |
| Diameter | 128mm | 83.5mm | +44.5mm |
| Filter size | 112mm | 77mm | +35mm |
| Released | 2023 | 2020 | +3year |
| Stabilization | Yes | Yes | — |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF100-300mm F2.8 L IS USM relative to RF70-200mm F4 L IS USM.The highlighted cell is the better side for that specification.
Check prices
RF100-300mm F2.8 L IS USM
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RF70-200mm F4 L IS USM
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RF100-300mm F2.8 L IS USM in detailRF70-200mm F4 L IS USM in detailAll RF mount lenses