Canon RF135mm F1.8 L IS USMvsCanon RF75-300mm F4-5.6
RF135mm F1.8 L IS USM
135mm / F1.8
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RF75-300mm F4-5.6
75-300mm / F4-5.6
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Which to choose
When the RF135mm F1.8 L IS USM suits you better
- Brightness2.3 stops brighter — better in low light and blurs the background more
- Close focusFocuses as close as 70cm
- StabilizationHas stabilization
- Weather sealingHas weather sealing
When the RF75-300mm F4-5.6 suits you better
- Weight428g lighter, so easier to carry
- Zoom rangeCovers 75-300mm in a single lens
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
- RF135mm F1.8 L IS USM130.3mm long × 89.2mm diameter
- RF75-300mm F4-5.6146.1mm long × 71.2mm diameter
Specifications compared
| Specification | Canon RF135mm F1.8 L IS USM | Canon RF75-300mm F4-5.6 | Difference |
|---|---|---|---|
| Focal length (wide) | 135mm | 75mm | +60mm |
| Focal length (tele) | 135mm | 300mm | −165mm |
| Max aperture (wide) | F1.8 | F4 | 2.3 stops brighter |
| Max aperture (tele) | F1.8 | F5.6 | 3.3 stops brighter |
| Min aperture | F22 | F32 | −10.0 |
| Min focus distance | 70cm | 1.5m | −0.80m |
| Max magnification | 0.26× | 0.25× | +0.01x |
| Aperture blades | 9blades | 7blades | +2blades |
| Weight | 935g | 507g | +428g |
| Length | 130.3mm | 146.1mm | −15.8mm |
| Diameter | 89.2mm | 71.2mm | +18mm |
| Filter size | 82mm | 58mm | +24mm |
| Released | 2022 | 2025 | −3year |
| Stabilization | Yes | No | Yes |
| Weather sealing | Yes | No | Yes |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as RF135mm F1.8 L IS USM relative to RF75-300mm F4-5.6.The highlighted cell is the better side for that specification.
Check prices
RF135mm F1.8 L IS USM
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RF75-300mm F4-5.6
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RF135mm F1.8 L IS USM in detailRF75-300mm F4-5.6 in detailAll RF mount lenses