Canon RF100-300mm F2.8 L IS USMvsCanon RF135mm F1.8 L IS USM
RF100-300mm F2.8 L IS USM
100-300mm / F2.8
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RF135mm F1.8 L IS USM
135mm / F1.8
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Which to choose
When the RF100-300mm F2.8 L IS USM suits you better
- Zoom rangeCovers 100-300mm in a single lens
When the RF135mm F1.8 L IS USM suits you better
- Brightness1.3 stops brighter — better in low light and blurs the background more
- Weight1655g lighter, so easier to carry
- Close focusFocuses as close as 70cm
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
- RF135mm F1.8 L IS USM130.3mm long × 89.2mm diameter
Specifications compared
| Specification | Canon RF100-300mm F2.8 L IS USM | Canon RF135mm F1.8 L IS USM | Difference |
|---|---|---|---|
| Focal length (wide) | 100mm | 135mm | −35mm |
| Focal length (tele) | 300mm | 135mm | +165mm |
| Max aperture (wide) | F2.8 | F1.8 | 1.3 stops darker |
| Max aperture (tele) | F2.8 | F1.8 | 1.3 stops darker |
| Min aperture | F22 | F22 | — |
| Min focus distance | 1.8m | 70cm | +1.10m |
| Max magnification | 0.16× | 0.26× | −0.10x |
| Aperture blades | 9blades | 9blades | — |
| Weight | 2.59kg | 935g | +1655g |
| Length | 323.4mm | 130.3mm | +193.1mm |
| Diameter | 128mm | 89.2mm | +38.8mm |
| Filter size | 112mm | 82mm | +30mm |
| Released | 2023 | 2022 | +1year |
| 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 RF135mm F1.8 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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RF135mm F1.8 L IS USM
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RF100-300mm F2.8 L IS USM in detailRF135mm F1.8 L IS USM in detailAll RF mount lenses