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
—
RF135mm F1.8 L IS USM
135mm / F1.8
—
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
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
RF135mm F1.8 L IS USM
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
RF100-300mm F2.8 L IS USM in detailRF135mm F1.8 L IS USM in detailAll RF mount lenses